# Poland summer 2026: Heatwave, solar eclipse and Cyclone Ulf

> Live situation record from CLSTR: https://clstr.news/situations/europe-sees-contrasting-spring-warmth-heat-spikes-and-escalating-drought-conditions-in-aprilmay-2026
> Updated: 2026-09-08T09:18:46.000Z. Sources: 672. Developments: 179.

By mid-August 2026, Poland’s extreme weather underwent a significant transition as a heatwave gave way to severe storm activity. Early in the month, the country prepared for a deep partial solar eclipse on August 12, which coincided with a heatwave. During this period, Kołuda Wielka set a new national temperature record of 40.6°C. As the heatwave transitioned, the arrival of Cyclone Ulf and subsequent low-pressure systems triggered intense storms, heavy rainfall, and hail. The Institute of Meteorology and Water Management (IMGW) issued warnings for supercells capable of producing heavy rainfall and wind gusts reaching 120 km/h, with a localized risk of mesocyclonic tornadoes. By August 21, the crisis escalated significantly. The State Fire Service recorded over 6,500 emergency interventions involving fallen trees, flooded properties, and damaged roofs across Mazovia, Łódź, and Pomerania. Massive power outages affected hundreds of thousands of customers; PGE Dystrybucja reported that approximately 241,500 customers were without electricity at the peak of the crisis. In response, Minister of National Defense Władysław Kosiniak-Kamysz placed the Territorial Defence Forces (WOT) on heightened alert. In early September, a tornado was officially confirmed in the Wielkopolska region, specifically affecting the Gniezno district and the municipality of Kłecko. Expert Łukasz Kuliński, known as the ‘Wielkopolska Storm Hunter’, described the event as one of the stronger tornadoes recorded in Poland in the 21st century, with an estimated intensity of IF2 and wind speeds between 200 and 220 km/h. The tornado left a 6.1 km destruction path, destroying roofs, damaging a parish church ceiling, and moving a 1.5-ton jacuzzi nearly 20 meters. By September 10, Poland began experiencing a rapid shift from summer heat to autumnal cooling.

## Claims

- RCB sent SMS alerts to residents of 14 voivodeships warning of storms, strong wind, heavy rain and possible power outages. (disputed by 5 sources)
- RCB sent SMS alerts to residents of twelve voivodeships warning of storms, strong wind, rain, hail and possible power cuts. (disputed by 4 sources)
- Morocco forecast for Friday expects daytime temperatures between 27‑33 °C in lowlands and 13‑18 °C in the Atlas mountains. (disputed)
- The Institute of Meteorology and Water Management (IMGW) issued heatwave warnings across various Polish regions. (corroborated by 16 sources)
- IMGW issued second-degree storm warnings for many regions of Poland on 1 August 2026. (corroborated by 11 sources)
- Hail up to 7 cm in diameter fell in the Warmian‑Masurian region, damaging roofs and cars. (corroborated by 11 sources)
- Twelve scout camps were evacuated as a precaution due to weather conditions. (corroborated by 11 sources)
- IMGW issued second‑ and third‑degree heat‑wave warnings for most of Poland, forecasting temperatures up to 38 °C and night lows of 18‑23 °C, effective 3‑6 August 2026. (corroborated by 10 sources)
- IMGW issued level‑2 and level‑3 weather alerts for most of Poland on 6‑7 August 2026. (corroborated by 10 sources)
- Storms were expected to bring 30‑40 mm of rain and wind gusts of 90‑100 km/h in many regions. (corroborated by 10 sources)
- Storms produced wind gusts up to 110 km/h, hail up to 6 cm, and rainfall of 20‑50 mm (locally up to 100 mm). (corroborated by 9 sources)

## Timeline

### 2026-09-08: Tornado confirmed in Wielkopolska, Poland

A tornado with wind speeds up to 220 km/h has been confirmed in Poland's Wielkopolska region, leaving a 6.1 km path of destruction across the Gniezno district.

4 sources. https://clstr.news/cluster/tornado-confirmed-in-wielkopolska-poland

### 2026-09-02: Poland weather forecast predicts warm September and wet autumn

Meteorologists predict a warm September for Poland, followed by a wet November and a potentially mild winter influenced by the El Niño phenomenon and shifting seasonal fronts.

6 sources. https://clstr.news/cluster/poland-weather-shift-brings-wind-and-storms

### 2026-08-28: Poland weather alerts: Severe storms, heavy rain, and high winds

Poland faces severe storms, heavy rain, and high winds. IMGW has issued high-level alerts, and the Territorial Defense Forces are on high alert to assist with potential flooding and storm damage.

20 sources. https://clstr.news/cluster/poland-issues-weather-alerts-for-western-regions

### 2026-08-21: Poland hit by severe storms causing widespread damage and power outages

Severe storms in Poland have triggered over 6,500 fire service interventions, widespread power outages for hundreds of thousands, and the mobilization of Territorial Defence Forces to assist emergency services.

58 sources. https://clstr.news/cluster/severe-storms-and-flooding-trigger-high-level-alerts-in-poland

### 2026-08-16: Poland faces severe storms, flooding, and extreme heat

Poland faces severe weather including intense storms, high winds, and heatwaves. Emergency services have responded to hundreds of calls, and cities like Krakow have implemented heat-related restrictions.

63 sources. https://clstr.news/cluster/poland-weather-imgw-issues-warnings-for-severe-storms-and-heavy-rain

### 2026-08-14: Poland faces severe storms, high winds, and temperature shifts

Poland faces severe weather shifts, including intense storms with high winds and hail, alongside a transition from heatwaves to cooler temperatures and significant rainfall.

40 sources. https://clstr.news/cluster/poland-heatwave-orange-weather-alerts-issued-for-d-voivodeship

### 2026-08-10: Poland sets new national heat record of 40.6°C

Poland has set a new national heat record of 40.6°C in Kołuda Wielka. Forecasters predict a return of extreme heat this weekend, followed by potential storms and cooling in late August.

16 sources. https://clstr.news/cluster/poland-weather-alerts-issued-for-thunderstorms-and-heatwaves

### 2026-08-08: Poland's National Labour Inspectorate clarifies heatwave work rights

The Polish National Labour Inspectorate clarified that employees can stop working during dangerous heatwaves without prior employer consent if health is at risk, provided they immediately inform supervisors.

4 sources. https://clstr.news/cluster/polands-national-labour-inspectorate-clarifies-heatwave-work-rights

### 2026-08-08: Poland prepares for solar eclipse and extreme weather

Poland faces a dual event on August 12, 2026: a deep partial solar eclipse and extreme weather, including heatwaves and severe thunderstorms with high winds and hail.

37 sources. https://clstr.news/cluster/bombonierka-ice-rink-in-d-prepares-for-new-season

### 2026-08-05: Poland issues storm warnings for Chmielnik and Przedecz

Polish municipalities of Chmielnik (warning 80) and Przedecz (warning 72) issued storm alerts.

2 sources. https://clstr.news/cluster/poland-issues-storm-warnings-for-chmielnik-and-przedecz

### 2026-08-05: Poland PM Donald Tusk urges employers to protect workers during 40°C heat

PM Donald Tusk urges Polish employers to protect staff as heat nears 40 °C, while IMGW issues nationwide alerts and the government monitors electricity supply.

7 sources. https://clstr.news/cluster/polish-pm-donald-tusk-urges-employers-to-protect-workers-amid-40c-heatwave

### 2026-08-04: Polish fire brigades respond to severe storms and hail across regions

Over 1,200 fire‑brigade calls followed severe storms and hail across Poland, causing tree falls, roof damage, a forest fire in Kobiór and extensive property loss, but no deaths.

22 sources. https://clstr.news/cluster/poland-sees-surge-in-child-escooter-injuries-and-collisions

### 2026-08-03: Poland's heavy rainstorms flood roads and threaten infrastructure

Severe rainstorms across Poland, from Opole to Warsaw, caused flooding, road hazards and agricultural soil erosion, prompting safety warnings and a flight diversion.

3 sources. https://clstr.news/cluster/polands-heavy-rainstorms-flood-roads-and-threaten-infrastructure

### 2026-08-03: Poland Endures Record Heat Wave with 40 °C Temperatures and Heightened Fire Risk

Poland faced a record heat wave with temperatures up to 40 °C, third‑degree alerts, fire‑risk alarms, stable power supply, and heightened emergency service activity.

63 sources. https://clstr.news/cluster/poland-endures-heat-wave-with-temperatures-near-40-c-and-storm-warnings

### 2026-08-02: Polish municipalities issue weather alerts, waste collection changes and local event notices

Polish gminas issued alerts on heat, advanced waste collection, a PSZOK closure, parish events, a vintage car rally and an office shutdown in August 2026.

9 sources. https://clstr.news/cluster/gmina-osiek-to-start-waste-collection-earlier-due-to-heat-forecast

### 2026-08-02: Polish vets urge protection of livestock and pets amid heat wave

Polish county veterinarians in Ciechanów and Bochnia warned owners to keep livestock and pets safe during the heat wave, urging water, shade, ventilation, monitoring for overheating, and caution during storms.

2 sources. https://clstr.news/cluster/polish-vets-urge-protection-of-livestock-and-pets-amid-heat-wave

### 2026-08-01: Poland issues widespread heat‑wave alerts as temperatures near 38 °C

IMGW warned most of Poland of a heat wave (up to 38 °C) from 3‑6 Aug 2026, urging health precautions, noting car interiors can hit 60 °C, and announcing new work‑stop rules for temps above 35 °C/32 °C.

38 sources. https://clstr.news/cluster/poland-faces-extreme-heat-wave-in-early-august-2026

### 2026-08-01: Poland closes seven beaches over bacterial contamination and toxic algae

Poland bans swimming at seven beaches, including sites in Darłowo and Gdańsk, after detecting E. coli, enterococci and toxic algae; health officials warn of skin, eye and GI risks, noting related Vibrio deaths

6 sources. https://clstr.news/cluster/poland-closes-seven-beaches-over-bacterial-contamination-and-toxic-algae

### 2026-07-31: Storms and heat wave spark power outages across Poland

Severe storms and a heat wave in early August 2026 triggered widespread alerts, fire‑service responses and planned power cuts across multiple Polish regions.

55 sources. https://clstr.news/cluster/poland-faces-extreme-heat-and-storm-warnings-in-early-august

### 2026-07-29: Poland issues third‑degree heat‑wave warnings as temperatures near 37 °C

Poland’s IMGW issued third‑degree heat‑wave warnings for 30‑31 July 2026 with temps up to 37 °C; cities set up water points and mist sprinklers, health officials urge hydration, sun avoidance, and protection of

110 sources. https://clstr.news/cluster/poland-issues-thirddegree-heatwave-warning-for-gostyn-county-and-masovian-region

### 2026-07-28: Swimming bans imposed on 163 Polish coastal beaches

Polish authorities have closed 163 Baltic‑coast beaches to swimming due to high waves, strong winds, cyanobacteria blooms and enterococci bacteria, affecting resorts such as Sarbinowo and Ustka.

3 sources. https://clstr.news/cluster/swimming-bans-imposed-on-163-polish-coastal-beaches

### 2026-07-27: Poland hit by widespread windstorm and heavy rain

A severe windstorm and heavy rain on 27 July 2026 caused hundreds of fire‑department calls across Poland and flooded streets in Warsaw, prompting alerts and safety warnings.

9 sources. https://clstr.news/cluster/poland-hit-by-widespread-windstorm-and-heavy-rain

### 2026-07-27: Poland braces for record‑breaking heatwave as temperatures near 40 °C

Poland faces a heatwave with temps up to 40 °C, thunderstorms, a 700 % surge in firewood‑pellet queries, rising pellet prices, a proposed pellet tax relief, and legal disputes over rooftop AC units; Lithuania’s

27 sources. https://clstr.news/cluster/poland-faces-a-summer-heat-wave-with-temperatures-close-to-40-c

### 2026-07-25: Poland issues widespread heat and thunderstorm warnings for July 26‑27

IMGW issued heat warnings for 12 voivodeships (30‑32 °C) and thunderstorm alerts for several regions on 26 July, with rain up to 35 mm, winds up to 90 km/h and a temporary Kraków market closure.

42 sources. https://clstr.news/cluster/poland-issues-storm-alert-for-d-region-and-heat-warning-for-12-voivodeships

### 2026-07-23: Poland issues widespread first‑degree storm and flood warnings

Poland’s IMGW issued first‑degree storm and flood warnings for most voivodeships on July 23‑24 2026, forecasting heavy rain, strong winds, possible hail and local flash floods; a rescue drill simulated similar‑

22 sources. https://clstr.news/cluster/poland-issues-flood-warnings-as-heavy-storms-raise-river-levels

### 2026-07-23: Poland braces for heatwave, storms and up to 43 °C temperatures

Poland faces a heatwave with possible 43 °C highs and storm warnings, including heavy rain, hail and 70 km/h winds, as health alerts urge caution.

13 sources. https://clstr.news/cluster/poland-braces-for-escalating-heat-wave-with-temperatures-up-to-44-c

### 2026-07-21: Unseasonal July Frost Hits Southern Poland, Temperatures Drop to -2.2°C

A cold Arctic air mass caused July temperatures to fall to –2.2 °C in southern Poland, with forecasts of more frosts and possible snow in the Tatras, affecting tourism.

3 sources. https://clstr.news/cluster/unseasonal-july-frost-hits-southern-poland-temperatures-drop-to-22c

### 2026-07-21: Poland faces widespread thunderstorms and heavy rain

Poland’s IMGW warns of severe thunderstorms, up to 60 mm rain, winds up to 90 km/h, flood risk and tourism impacts along the Baltic coast.

24 sources. https://clstr.news/cluster/northeast-poland-braces-for-severe-thunderstorms

### 2026-07-19: Poland closes dozens of beaches over dangerous waves and E. coli contamination

Polish health officials have barred swimming at dozens of coastal and lake sites due to hazardous waves, strong currents and unsafe E. coli levels, urging visitors to obey red‑flag warnings and lifeguard orders

4 sources. https://clstr.news/cluster/poland-closes-dozens-of-beaches-over-dangerous-waves-and-e-coli-contamination

### 2026-07-19: Severe Storm Front Hits Poland, Sparks Widespread Alerts and Firefighter Deployments

A strong storm front across Poland on July 19‑20 2026 triggered severe rain, hail, winds up to 100 km/h, extensive alerts, and over 800‑1500 fire‑brigade interventions.

30 sources. https://clstr.news/cluster/poland-issues-severe-thunderstorm-warnings-across-multiple-regions

### 2026-07-19: Poland sees cooling spell followed by heat wave in late July 2026

Poland will experience a cool spell (temps below 20 °C) early next week, severe storm alerts in Silesia, then a sharp rise to 30‑34 °C by late July.

10 sources. https://clstr.news/cluster/poland-expects-rain-and-thunderstorms-on-july-19-2026

### 2026-07-18: Poland's Baltic coast grappling with child safety and ghost nets

Polish Baltic coast faces safety challenges: lifeguards rescue missing children on Łeba beaches, while ghost fishing nets threaten marine life and require ongoing removal.

2 sources. https://clstr.news/cluster/polands-baltic-coast-grappling-with-child-safety-and-ghost-nets

### 2026-07-18: Severe July storms flood Polish cities, shut roads and disrupt Krakow airport

Heavy July storms across Poland flooded streets in Białystok, Biała Podlaska and Warsaw, closed the S8 expressway and forced Kraków airport flight diversions.

9 sources. https://clstr.news/cluster/severe-storm-floods-warsaws-s8-highway-and-moves-eastward

### 2026-07-17: Poland's rapeseed harvest threatened by hail damage and looming import need

Hail and rain have damaged Poland's rapeseed crops, lowering yields that have stalled at 3‑3.3 t/ha. Experts warn the season may require imports and emergency pesticide approval.

4 sources. https://clstr.news/cluster/polands-rapeseed-harvest-threatened-by-hail-damage-and-looming-import-need

### 2026-07-17: Poland and Sweden issue water safety bans for tourists

Poland closed three beaches over cyanobacteria risks, while Sweden’s Gotland urges sea‑bathing to conserve water amid a shortage.

5 sources. https://clstr.news/cluster/poland-and-sweden-issue-water-safety-bans-for-tourists

### 2026-07-17: Poland Issues Storm and Heat Alerts Amid Ongoing Low‑Pressure System

Poland's IMGW issued level I and II storm and heat warnings for most regions, with heavy rain, strong winds up to 90 km/h, and temperatures up to 32 °C; unsettled weather expected for the next day.

3 sources. https://clstr.news/cluster/poland-issues-storm-and-heat-alerts-amid-ongoing-lowpressure-system

### 2026-07-16: Polish firefighters swiftly contain local fires in Rawicz and Rzekuń

Polish firefighters prevented larger damage in a Rawicz timber mill fire on July 11 and quickly extinguished a cemetery blaze in Rzekuń on July 16, thanks to swift civilian alerts and rapid response.

2 sources. https://clstr.news/cluster/polish-firefighters-swiftly-contain-local-fires-in-rawicz-and-rzeku

### 2026-07-16: Fire at Torun Military Training Ground Contained by Brigades and Aircraft

Fire on a Toruń military training ground was tackled by nine brigades and an aircraft, covering 500 m², after a blaze at Mała Nieszawka, Poland.

3 sources. https://clstr.news/cluster/fire-at-torun-military-training-ground-contained-by-brigades-and-aircraft

### 2026-07-15: Polish police and health agencies roll out summer safety campaigns

Polish police and health agencies launch coordinated summer safety programmes covering road checks, youth legal education, senior travel, pet heat protection, skin‑cancer screenings and home security.

29 sources. https://clstr.news/cluster/poland-issues-seasonal-safety-advice-ice-hazards-footsweat-relief-and-tyre-pressure-tips

### 2026-07-15: Amber hunters collect large pieces after Baltic storm

After July storms on Poland's Vistula Spit, amber hunters posted videos of abundant, large amber finds, while warning of lingering sea hazards.

3 sources. https://clstr.news/cluster/amber-hunters-collect-large-pieces-after-baltic-storm

### 2026-07-15: Polish agriculture hit by higher costs, water scarcity and policy shifts

Poland’s farm costs rise as wheat lease rents fall, new crop‑insurance law launches, water scarcity looms, and German price drops and grain‑shipping disruptions squeeze European agriculture.

9 sources. https://clstr.news/cluster/polish-rapeseed-yields-hurt-by-drought-grain-prices-rise

### 2026-07-15: Poland's Wejherowo and Racibórz counties face hazardous road conditions

Fog in Wejherowo and heavy rain‑storm damage in Racibórz have made many Polish roads hazardous, prompting police and fire‑brigade warnings and calls for reduced travel.

4 sources. https://clstr.news/cluster/polands-wejherowo-and-racibrz-counties-face-hazardous-road-conditions

### 2026-07-14: Poland sets new heat‑related work rules for employers

Poland introduces new regulations that stop work at 35 °C indoors and 32 °C outdoors, requiring employers to adopt cooling or organisational measures once lower temperature thresholds are reached, effective Jan

4 sources. https://clstr.news/cluster/poland-sets-new-heatrelated-work-rules-for-employers

### 2026-07-13: Severe thunderstorms, floods and heat wave hit Poland

Poland faces widespread thunderstorms, heavy rain, hail and wind gusts up to 115 km/h, causing floods, while a heat wave drives temperatures to 30‑32 °C, prompting health warnings.

40 sources. https://clstr.news/cluster/poland-braces-for-severe-thunderstorms-as-satellite-data-promises-earlier-hail-warnings

### 2026-07-12: Poland bans swimming at dozens of Baltic Sea beaches

Poland imposed swimming bans on about 140 Baltic beaches, including Ustka and Gdańsk, due to high waves, strong winds, back currents and unsafe microbiological levels at two sites.

5 sources. https://clstr.news/cluster/poland-bans-swimming-at-dozens-of-baltic-sea-beaches

### 2026-07-12: Baltic Sea sees record low level and post‑storm amber rush on Polish coasts

A storm brought record‑size amber finds to Polish Baltic beaches, while the sea’s lowest level in over a century triggered a salty inflow yet left cyanobacteria risks unchanged.

6 sources. https://clstr.news/cluster/baltic-sea-sees-record-low-level-and-poststorm-amber-rush-on-polish-coasts

### 2026-07-11: Poland's Summer Exercise Guidance Highlights Heat Safety and Water Workouts

Polish summer fitness advice urges training outside peak heat, staying hydrated, seeking shade, and moderating intensity, while promoting water workouts for joint relief and calorie burn.

5 sources. https://clstr.news/cluster/polands-summer-exercise-guidance-highlights-heat-safety-and-water-workouts

### 2026-07-11: Poland's climate challenges spur city adaptation plan and tourism shift

Poland's Bialystok launches a climate adaptation plan with a resident survey, while nationwide heat drives tourists toward cooler mountain regions, boosting northern destinations.

2 sources. https://clstr.news/cluster/polands-climate-challenges-spur-city-adaptation-plan-and-tourism-shift

### 2026-07-11: Poland braces for heat wave and severe thunderstorms amid nationwide alerts

Poland faces a heat wave with temps above 30 °C and severe thunderstorms, prompting first‑ and second‑degree warnings for heavy rain, hail and strong winds across multiple regions.

18 sources. https://clstr.news/cluster/poland-sunday-forecast-sun-in-western-regions-clouds-and-rain-across-most-of-the-country

### 2026-07-11: Polish oak forest near Krotoszyn dying from severe drought and climate stress

Poland's unique 200‑year‑old oak forest near Krotoszyn is rapidly dying due to heatwaves, drought and unsuitable soil, highlighting climate‑change impacts on European woodlands.

2 sources. https://clstr.news/cluster/polish-oak-forest-near-krotoszyn-dying-from-severe-drought-and-climate-stress

### 2026-07-10: Poland introduces heat‑related work stoppage rules

Poland’s labour minister issued a regulation that halts work above 35 °C indoors and 32 °C outdoors, adds lower alarm thresholds, and mandates cooling measures, with enforcement inspections and fines to follow.

3 sources. https://clstr.news/cluster/poland-introduces-heatrelated-work-stoppage-rules

### 2026-07-09: Poland faces mixed weekend weather – sunshine in the west, showers and storms in the east

Poland’s weekend weather splits: the west stays sunny and warm up to 25 °C, while the east faces cooler temps, rain, thunderstorms and possible hail; a heat wave over 30 °C looms for next week.

15 sources. https://clstr.news/cluster/poland-faces-heat-wave-with-temperatures-up-to-32c

### 2026-07-09: Joint Police and Fire Patrols Boost Safety at Lublin’s Zemborzycki Reservoir

Lublin police and firefighters jointly patrol Zemborzycki Reservoir, enforcing safety rules and providing rapid rescue during the summer season.

2 sources. https://clstr.news/cluster/joint-police-and-fire-patrols-boost-safety-at-lublins-zemborzycki-reservoir

### 2026-07-08: Polish weather agencies issue storm and water‑level warnings for Mazovia and Gdańsk

Polish authorities warned of first‑degree storms in Mazovia and second‑degree water‑level alerts in Gdańsk on 9‑10 July, urging residents to take safety precautions.

3 sources. https://clstr.news/cluster/polish-weather-agencies-issue-storm-and-waterlevel-warnings-for-mazovia-and-gdask

### 2026-07-08: Baltic Sea hit by damaging storm on Poland’s coast and rare saline water influx

A storm with 120 km/h gusts battered Poland’s Baltic coast on July 8, prompting evacuations, while a rare February inflow of salty, oxygen‑rich North Sea water entered the Baltic after record‑low levels, aiding

4 sources. https://clstr.news/cluster/baltic-sea-hit-by-damaging-storm-on-polands-coast-and-rare-saline-water-influx

### 2026-07-08: Red flags ban swimming at over 150 Polish Baltic beaches amid hazardous sea conditions

Red flags ban swimming at over 150 Polish Baltic beaches due to high waves, strong winds and dangerous currents; flag colours indicate varying safety levels and marine hazards.

2 sources. https://clstr.news/cluster/red-flags-ban-swimming-at-over-150-polish-baltic-beaches-amid-hazardous-sea-conditions

### 2026-07-08: Storm Bernadette devastates Poland's Baltic coast

Storm Bernadette hit Poland's Baltic coast with 120 km/h winds, 5‑m waves, flooding beaches and prompting evacuations; heavy rain and autumn‑like temperatures expected to linger.

4 sources. https://clstr.news/cluster/storm-bernadette-devastates-polands-baltic-coast

### 2026-07-08: Poland's Baltic coast battered by severe July storm

A July storm with 120 km/h winds hit Poland's Baltic coast, eroding up to 40 m of beach, damaging seaside businesses and prompting evacuations, bans on swimming and extensive emergency response.

4 sources. https://clstr.news/cluster/polish-baltic-coast-battling-severe-storm-and-flooding

### 2026-07-07: Warmian-Masurian Region, Poland Issued Severe Wind and Rainstorm Warnings

IMGW warned of extreme winds (up to 115 km/h gusts) and heavy rain with thunderstorms in Poland's Warmian‑Masurian region, urging precautions against power cuts and transport disruptions.

4 sources. https://clstr.news/cluster/warmian-masurian-region-poland-issued-severe-wind-and-rainstorm-warnings

### 2026-07-07: Polish firms target industrial ventilation and office cooling inefficiencies as heatwaves rise

Polish industry and office sectors confront ventilation flaws and rising heat, with experts outlining five common plant ventilation errors and draft regs setting indoor temperature limits to boost energy use, s

2 sources. https://clstr.news/cluster/polish-firms-target-industrial-ventilation-and-office-cooling-inefficiencies-as-heatwaves-rise

### 2026-07-06: Cold July weather chills Polish tourists on Baltic Sea coast

Polish tourists on the Baltic Sea in early July 2026 face cool, rainy weather with 16 °C temperatures, prompting disappointment and concerns for children’s health, while forecasts warn of wind and storms before

3 sources. https://clstr.news/cluster/cold-july-weather-chills-polish-tourists-on-baltic-sea-coast

### 2026-07-06: Poland braces for July heat wave and widespread storm alerts

Poland faces heavy rain, thunderstorms and 120 km/h gusts in the east, while a heat wave peaks on 18 July with temperatures up to 43 °C in the west.

17 sources. https://clstr.news/cluster/poland-braces-for-two-weeks-of-heavy-rain-and-strong-winds

### 2026-07-05: Polish dietitian urges proper hydration and balanced meals for summer

Polish dietitian Monika Przystalska stresses regular hydration and a balanced, protein‑rich diet with seasonal fruits and vegetables during summer, especially for children and seniors.

6 sources. https://clstr.news/cluster/polish-dietitian-urges-proper-hydration-and-balanced-meals-for-summer

### 2026-07-04: Poland closes 130 Baltic beaches due to high waves and wind

Poland shut ~130 Baltic beaches on Saturday due to strong winds, high waves and dangerous currents, issuing red flags to prohibit swimming.

4 sources. https://clstr.news/cluster/poland-closes-130-baltic-beaches-due-to-high-waves-and-wind

### 2026-07-04: Poland grapples with record heat wave, pushes for building upgrades and cooling measures

Poland’s record heat (40.5 °C) threatens rail, power and urban infrastructure; experts urge passive‑cooling upgrades such as external shutters, roof insulation and proper window film use.

8 sources. https://clstr.news/cluster/poland-expects-return-of-summer-heat-with-temperatures-over-30-c-this-weekend

### 2026-07-04: Poland hit by unusually cool, rainy July weather

Poland faces an unusually cool, rainy July as an atypical low‑pressure system brings 5‑20 °C temperatures, strong winds and persistent rain, especially along the Baltic coast.

2 sources. https://clstr.news/cluster/poland-hit-by-unusually-cool-rainy-july-weather

### 2026-07-03: Polish health officials advise parents on protecting infants from extreme summer heat

Polish health experts urge parents to shield infants from heat with shade, breathable clothing, hats and sunscreen, and advise all citizens to stay hydrated, use layers, protect eyes, and avoid drastic indoor‑/

3 sources. https://clstr.news/cluster/polish-health-officials-advise-parents-on-protecting-infants-from-extreme-summer-heat

### 2026-07-03: Poland battles severe drought and storm‑related loss of historic pine

Poland faces a severe agricultural drought threatening major crops, while a July storm destroyed a 230‑year‑old pine in the Masurian forest.

2 sources. https://clstr.news/cluster/poland-battles-severe-drought-and-stormrelated-loss-of-historic-pine

### 2026-07-03: Poland warns of toxic cyanobacteria blooms in Baltic Sea and lakes

Polish health alerts warn that cyanobacterial blooms in the Baltic Sea and lakes can cause liver, nerve and skin toxicity; avoid swimming and follow water‑quality updates.

2 sources. https://clstr.news/cluster/poland-warns-of-toxic-cyanobacteria-blooms-in-baltic-sea-and-lakes

### 2026-07-03: Polish family spends over 100 zł at lake beach during heatwave

During a heatwave, a Polish family paid about 110 zł for lake entry, food and travel near Toruń, noting the lack of a lifeguard.

3 sources. https://clstr.news/cluster/polish-family-spends-over-100-z-at-lake-beach-during-heatwave

### 2026-07-02: Polish fire services combat massive warehouse blaze and storm aftermath

Polish fire brigades tackled a massive warehouse fire in Lenartow, cleared storm‑damage in Mielec county, and responded to odd incidents—including a false bomb alarm and a runaway goat—in Dębica county.

4 sources. https://clstr.news/cluster/polish-fire-brigades-battle-massive-warehouse-fire-and-storm-damage-across-central-poland

### 2026-07-01: Poland to build 100‑hectare Pacyna reservoir near Radom

Poland approved a 100‑hectare Pacyna reservoir near Radom to improve flood protection, water retention and create a new recreation area.

3 sources. https://clstr.news/cluster/poland-to-build-100hectare-pacyna-reservoir-near-radom

### 2026-07-01: Poland braces for stormy front: strong winds, rain and heat spikes

Poland faces a stormy front with heavy rain, thunderstorms, wind gusts up to 100 km/h and alerts for several regions, followed by a July heat wave that could exceed 40 °C.

26 sources. https://clstr.news/cluster/polish-firefighters-report-over-2300-storm-related-interventions-across-multiple-regions

### 2026-07-01: Fire breaks out on bulk carrier at Gdańsk’s Nabrzeże Szczecińskie port

A scrap‑metal bulk carrier caught fire at Gdańsk’s Nabrzeże Szczecińskie port; 17 fire units responded, no injuries reported.

5 sources. https://clstr.news/cluster/poland-sees-major-residential-fires-in-lubin-and-chemno-no-injuries

### 2026-07-01: Poland's Water Utilities Meet Heatwave Demand as New Solar Desalination Cuts Costs

Poland's Chrzanów water utility increased output 60% to meet heatwave demand, while a new solar desalination unit offers cheap, WHO‑standard drinking water for up to ten people.

3 sources. https://clstr.news/cluster/polands-water-utilities-meet-heatwave-demand-as-new-solar-desalination-cuts-costs

### 2026-06-30: Polish doctors warn against running during extreme heat

Polish doctors urge people to skip intense exercise during heatwaves, citing dozens of dehydration and cardiac‑stress cases at a Kraków hospital and stressing early‑day workouts, ample water intake, and caution

2 sources. https://clstr.news/cluster/polish-doctors-warn-against-running-during-extreme-heat

### 2026-06-30: Polish municipalities issue heat, fire and thunderstorm warnings

Chmielnik warned of heat up to 34 °C, Rymanów issued a fire‑danger alert, and Zakliczyn forecast thunderstorms with heavy rain, strong winds and hail on 1 July.

3 sources. https://clstr.news/cluster/storm-warning-issued-for-zakliczyn-poland-on-july-1-2026

### 2026-06-30: Polish police launch nationwide summer water‑safety campaign

Polish police and rescue services roll out a coordinated summer water‑safety drive, warning about beach hazards, drownings, equipment rules and promoting first‑aid alerts across multiple regions.

42 sources. https://clstr.news/cluster/polish-summer-safety-guide-and-vacation-reading-list-released

### 2026-06-30: Polish animal shelters battle heatwave; fire brigade aids Konin shelter as temperature claims spark controversy

Polish animal shelters face extreme summer heat; Konin’s fire brigade waters down cages, while police refute claims of 70 °C in a Nowy Targ shelter after an inspection.

2 sources. https://clstr.news/cluster/polish-animal-shelters-battle-heatwave-fire-brigade-aids-konin-shelter-as-temperature-claims-spark-c

### 2026-06-30: Polish heat wave drives unsafe market food sales and a surge in fan purchases

Heat over 30 °C in Warsaw leads to unsafe food sales at bazaars, while tourists in Masuria rapidly purchase folding fans amid rising costs and health warnings.

3 sources. https://clstr.news/cluster/polish-heat-wave-drives-unsafe-market-food-sales-and-a-surge-in-fan-purchases

### 2026-06-29: Lithuania and Poland face record heat and severe storms

Lithuania hit a June high of 34.6 °C while Poland recorded 38.9 °C in Slubice, both nations bracing for intense heat and severe storms.

3 sources. https://clstr.news/cluster/lithuania-and-poland-face-record-heat-and-severe-storms

### 2026-06-29: Lubartów municipality shortens office hours amid heatwave

Lubartów's mayor decreed municipal offices close at 2 p.m. on days with indoor temps over 28 °C from late June to August, prompting public debate over heat‑related work conditions.

5 sources. https://clstr.news/cluster/lubartw-municipality-shortens-office-hours-amid-heatwave

### 2026-06-29: Lake Zdworskie and Kashmir Lakes Face Severe Degradation

Polish Lake Zdworskie and Kashmir’s lakes are rapidly degrading due to low water levels, climate change and pollution, threatening ecosystems and local livelihoods.

2 sources. https://clstr.news/cluster/lake-zdworskie-and-kashmir-lakes-face-severe-degradation

### 2026-06-28: Poland endures record heat and violent storms across the country

Poland broke temperature records (up to 40.5 °C) and faced violent storms with hail, rain and 100 km/h winds, causing power outages, transport disruptions and extensive damage.

24 sources. https://clstr.news/cluster/poland-endures-extreme-heatwave-with-health-scares-storm-warnings-and-fire-risk

### 2026-06-28: Poland hits 40.5°C record, raising water‑shortage warnings

Poland set a new heat record of 40.5 °C, prompting warnings of water shortages and calls for forest, wetland and farming reforms to boost climate resilience.

2 sources. https://clstr.news/cluster/poland-hits-405c-record-raising-watershortage-warnings

### 2026-06-28: Polish heat wave forces smartphones to shut down for thousands

Poland’s heat wave is causing smartphones to overheat and shut down, affecting tens of thousands of users and prompting safety advice.

4 sources. https://clstr.news/cluster/polish-heat-wave-forces-smartphones-to-shut-down-for-thousands

### 2026-06-28: Multiple fires erupt across Poland on June 29, 2026

Several fires struck Poland on June 29, 2026, including a residential blaze in Kamieńc Ząbkowicki, an industrial waste hall fire near Warsaw, and a train fire in Dębica that evacuated 250 passengers.

8 sources. https://clstr.news/cluster/grudzidz-gas-explosion-and-mszczonw-waste-fire-cause-injuries-and-evacuations-in-poland

### 2026-06-28: Polish beauty editors urge SPF sunscreen and UV lip balm for summer protection

Polish beauty editors recommend SPF 50 sunscreen, BB creams with sun filters, and UV‑protective lip balm for summer skin and lip protection.

4 sources. https://clstr.news/cluster/polish-beauty-editors-urge-spf-sunscreen-and-uv-lip-balm-for-summer-protection

### 2026-06-28: Polish heat wave spikes water use, triggers blackouts and fuels cooling strategies

Poland’s heat wave drives water demand, causes blackouts and prompts cooling measures from fans to water curtains and garden pergolas.

45 sources. https://clstr.news/cluster/poland-urges-homemade-drinks-and-bird-water-stations-to-beat-extreme-heat

### 2026-06-28: Poland issues heat safety guidance for animals and motorists

Poland warns of heat risks after a rescued dog in Idzikowice and TCS advises motorists to check coolant, oil, brakes and batteries before summer travel, stressing dangers of leaving pets or children in hot cars

3 sources. https://clstr.news/cluster/poland-issues-heat-safety-guidance-for-animals-and-motorists

### 2026-06-28: Poland to enforce temperature caps for workplaces from 2027

Poland's draft regulation will mandate work stoppages when indoor temps exceed 35 °C or outdoor heavy‑work temps exceed 32 °C, effective Jan 1 2027, with exemptions for emergency services.

5 sources. https://clstr.news/cluster/poland-to-enforce-temperature-caps-for-workplaces-from-2027

### 2026-06-28: Poland health experts warn of heat‑stroke risks as temperatures soar

Polish doctors warn heat‑stroke is a life‑threatening condition with severe symptoms, urging deep‑body temperature checks and offering cooling tips to avoid dangerous heat exposure.

2 sources. https://clstr.news/cluster/poland-health-experts-warn-of-heatstroke-risks-as-temperatures-soar

### 2026-06-28: Poland to stop work in non‑air‑conditioned offices during extreme heat

Poland plans new safety rules that let employers stop work in offices without air‑conditioning when indoor temps exceed 35 °C, affecting about 5 % of buildings and granting extra breaks from 2027.

2 sources. https://clstr.news/cluster/poland-to-stop-work-in-nonairconditioned-offices-during-extreme-heat

### 2026-06-27: Poland issues nationwide heat and storm alerts amid extreme temperatures

Poland warned of extreme heat and severe thunderstorms on 29 June 2026, with alerts for power outages, strong winds, hail, carbon‑monoxide risk and forest fire danger across multiple regions.

43 sources. https://clstr.news/cluster/poland-issues-storm-and-forest-fire-alerts-across-multiple-regions

### 2026-06-26: Poland endures record June heat, water cuts and health alerts

Poland’s late‑June heatwave broke temperature records, triggered water‑pressure drops, supply cuts and health alerts over heat and ozone.

44 sources. https://clstr.news/cluster/polands-podkarpackie-region-grapples-with-acute-water-shortages

### 2026-06-26: Polish authorities issue extensive summer safety guidelines for vacations

Polish police, road authority and health experts launch nationwide summer safety campaigns covering water, heat, traffic and UV protection.

22 sources. https://clstr.news/cluster/polands-gddkia-warns-drivers-to-brace-for-extreme-summer-heat

### 2026-06-26: Poland's Baltic coast sees first cyanobacteria bloom, prompting beach closures

Poland reports its first Baltic Sea cyanobacteria bloom, closing several beaches and warning of health risks as warm, still conditions fuel growth.

4 sources. https://clstr.news/cluster/polands-baltic-coast-sees-first-cyanobacteria-bloom-prompting-beach-closures

### 2026-06-26: Rapeseed Prices Surge in Europe Amid French Heatwave and Yield Concerns

European rapeseed prices jumped as a French heatwave threatens yields and oil quality, prompting Paris futures to peak around €518/t; EU harvest outlook was cut to 20.3 Mt, while Polish analysts expect 480‑520

2 sources. https://clstr.news/cluster/rapeseed-prices-surge-in-europe-amid-french-heatwave-and-yield-concerns

### 2026-06-25: Poland braces for record-breaking heatwave with temperatures up to 42 °C

Poland faces red‑level heat alerts with temperatures projected up to 42 °C, tropical nights and health warnings for vulnerable groups, amid a Europe‑wide warming trend.

22 sources. https://clstr.news/cluster/poland-endures-extreme-heatwave-with-dangerous-temperatures

### 2026-06-25: Poland heat wave prompts animal safety measures

Polish towns issue animal‑care alerts during a heat wave, urging water, shade and reduced outings; Bydgoszcz adds water‑curtain stations and cancels dog walks.

4 sources. https://clstr.news/cluster/poland-heat-wave-prompts-animal-safety-measures

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Cite as: Poland summer 2026: Heatwave, solar eclipse and Cyclone Ulf. CLSTR, https://clstr.news/situations/europe-sees-contrasting-spring-warmth-heat-spikes-and-escalating-drought-conditions-in-aprilmay-2026