started · updated
Part of situation:
North American extreme heat and severe storm events (116 clusters)
United States heat dome threatens 40 million, pushes temperatures to record highs
A massive heat dome settled over the western United States in early July 2026 and began expanding eastward, putting up to two‑thirds of the contiguous country under extreme heat warnings. Roughly 40‑44 million Americans faced heat alerts as temperatures surged to 110 °F (43‑48 °C), with Las Vegas forecast to reach 111 °F (48 °C) and many locations expected to break daily and overnight temperature records—more than 90 local records were projected to be tied or surpassed.
The prolonged high‑pressure system trapped hot air and suppressed cooling winds, raising nighttime lows by 8‑14 °C (15‑25 °F) and creating dangerous conditions for human health, especially for the elderly, outdoor workers and those without reliable air‑conditioning. Officials urged hydration, shade and use of cooling centers.
The extreme heat also heightened wildfire risk across the Rockies and the Great Plains, hampering firefighting efforts in Colorado and Utah, and strained power grids as air‑conditioning demand spiked. Meteorologists linked the intensity of the event to climate change and a strong El Niño developing this summer.
Sources
Peak Heat Dome Threatens 40 Million Western Gardens - The Garden Magazine
[thegardenmagazine.com]
2 months ago
Extreme Heat Kills More Americans Than Any Weather Disaster, but It Has Never Received a Federal Disaster Declaration
[www.medicaldaily.com]
2 months ago
Onda de calor pode atingir dois terços dos Estados Unidos e levar temperaturas a 48ºC | Tribuna de Petrópolis
[tribunadepetropolis.com.br]
2 months ago
Colorado mountains could see near-record temperatures as heat dome develops over the West
[www.skyhinews.com]
2 months ago
Near record-breaking heat brings sweltering temps across US
[www.tag24.com]
2 months ago
2 months ago
Onda de calor atinge dois terços dos EUA com picos de 48ºC
[www.brasilemfolhas.com.br]
2 months ago
Heat dome to bake much of US with dangerous record temperatures
[thesheffieldpress.com]
2 months ago
Cut the Pentagon, Save the Planet: The $1. 5 Trillion Climate Solution We Can’t Ignore
[www.counterpunch.org]
2 months ago
Se prevé la formación de una cúpula de calor en el oeste de EE. UU. : estas zonas resultarán afectadas
[gestion.pe]
2 months ago
Dangerous Heat Dome to Bring Triple-Digit Temperatures to Western U. S.
[www.nbcpalmsprings.com]
2 months ago
NYC, DC, and Atlantic City All Broke Long-Standing Temperature Records Last Week
[www.medicaldaily.com]
2 months ago
This Deadly Heat Wave Has a Culprit |
[www.radiofree.org]
2 months ago
Onda de calor pode atingir dois terços dos Estados Unidos e levar temperaturas a 48ºC
[aredacao.com.br]
2 months ago
2 months ago
Se avecina una semana de temperaturas peligrosas en EEUU, advierten meteorólogos – LaVoz Hispana
[lavozhispanact.com]
2 months ago
New Heat Wave Scorches US
[newscentraltv.com]
2 months ago
Una nueva ola de calor se instala en EEUU
[www.tvn-2.com]
2 months ago
Dangerous heat wave is building, will bring oppressive temperatures to much of the United States
[mymotherlode.com]
2 months ago
Dangerous heat wave is building, will bring oppressive tempe. . .
[www.standard-democrat.com]
2 months ago
Domo de calor azota EE. UU. - Diario del Sur
[www.diariodelsur.com.co]
2 months ago
Extreme Heat Warnings Cover Montana, Wyoming and North Dakota as Temperatures Escalate
[www.travelinglifestyle.net]
2 months ago
Dangerous heat wave to spread across the Western and Central US, maximum temperatures up to 43°C (110°F)
[watchers.news]
2 months ago
Die gefährlichste Hitzewelle seit 128 Jahren: USA im Ausnahmezustand – Was Bewohner jetzt tun
[www.leinetal24.de]
2 months ago
Do heat waves damage the economy? Experts explain - WEIS | Local & Area News, Sports, & Weather
[weisradio.com]
2 months ago
2 months ago
2 months ago
Where to expect searing heat, severe thunderstorms, and possible flooding this week
[www.theweather.com]
2 months ago
Dangerous heat wave to scorch much of US
[usa.inquirer.net]
2 months ago
Dangerous heat wave threatens oppressive temperatures in US
[globalnation.inquirer.net]
2 months ago
LETTER TO THE EDITOR: We're bracing for the heat to keep ris. . .
[www.vicksburgpost.com]
2 months ago
Dangerous US Heat Wave 2026: 110°F Risk Guide
[uticaphoenix.net]
2 months ago
Dangerous heat wave is building, will bring oppressive temperatures to much of the United States
[halifax.citynews.ca]
2 months ago
Alertan una nueva ola de calor en zonas de EU
[diario.mx]
2 months ago
Dangerous heat wave is building, will bring oppressive tempe. . .
[www.semissourian.com]
2 months ago
2 months ago
Colorado, Utah Heat Warning Today: Up to 106 Degrees This Weekend
[countryherald.com]
2 months ago
West braces for heat dome this weekend as Montana nears 108, Rockies eye records, wildfires burn
[www.thecooldown.com]
2 months ago
厄爾尼諾強度以怪獸級升級 如何影響美國天氣
[www.epochtimes.com]
2 months ago
Fourth of July Heat Dome Pushes Temps to 112°F and Strains the Power Grid - News Anyway
[www.newsanyway.com]
2 months ago
2 months ago
2 months ago
2 months ago
Die gefährlichste Hitzewelle seit 128 Jahren: USA im Ausnahmezustand – Was Bewohner jetzt tun
[www.kreiszeitung.de]
2 months ago
Die gefährlichste Hitzewelle seit 128 Jahren: USA im Ausnahmezustand – Was Bewohner jetzt tun
[www.op-online.de]
2 months ago
Die gefährlichste Hitzewelle seit 128 Jahren: USA im Ausnahmezustand – Was Bewohner jetzt tun
[www.tz.de]
2 months ago
Crop Comments: Selecting the right C-4 summer annual - Country Folks
[www.countryfolks.com]
2 months ago
Canicule: des records de chaleur battus dans le nord et l'ouest des Etats-Unis - Le Temps
[www.letemps.ch]
2 months ago
Wisconsin Weather: Heat Wave Ahead
[www.fox6now.com]
2 months ago
All-time records at risk as Prairies feel major U. S. heat dome
[ca.news.yahoo.com]
2 months ago
2 months ago
Dangerous heat wave is building, will bring oppressive temperatures to much of the United States
[www.washingtonexaminer.com]
2 months ago
Dangerous heat wave is building, will bring oppressive temperatures to much of the United States
[www.bangordailynews.com]
2 months ago
Ola de calor llevará a Estados Unidos a temperaturas récord
[www.sdpnoticias.com]
2 months ago
2 months ago