[REVISION HISTORY]

Balkans weather: extreme heat, storms, and wildfire risks

Updated 47 times since CLSTR started tracking revisions of this situation.

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2026-09-10 08:03 UTC → 2026-09-11 07:24 UTC · added ~~removed~~

Weather patterns across the Balkans and Central Europe continue to fluctuate between extreme ~~heat, drought,~~ heat and intense atmospheric instability. In ~~Romania, the National Meteorological Administration (ANM)~~ Italy, severe thunderstorms and heavy rainfall have caused flooding and fallen trees, with Potenza reporting 56 mm of rain in under an hour and Liguria seeing 85.4 mm in one hour. Slovenia has issued ~~yellow and~~ orange alerts for ~~high temperatures, with regions like Banat, Crișana, Maramureș,~~ the southwest, where heavy rain and ~~parts of Transylvania experiencing heat between 30°C~~ wind could lead to flash floods and ~~35°C. While these conditions~~ have already disrupted rail transport and power supplies. Destructive winds and hail are ~~favorable for autumn agricultural activities such as harvesting, farmers must manage thermal discomfort~~ also expected across the Adriatic, including Croatia and ~~wind in areas like Moldova~~ Bosnia and ~~Dobrogea. The weather~~ Herzegovina. Romania is ~~shifting toward instability,~~ transitioning from intense heatwaves, with ~~forecasts indicating potential~~ temperatures reaching 33°C to 36°C in regions like Banat and Oltenia, to severe storms. From September 11 through September 13, meteorologists warn of torrential ~~rain, thunderstorms,~~ rains, lightning, and wind gusts ~~up to 50~~ of 50-60 km/h. ~~Temperatures may remain above seasonal averages through early October.~~ In ~~Moldova, warm~~ areas like Satu Mare, temperatures ~~up to 28°C~~ are expected to ~~give way~~ drop sharply from near 30°C to ~~a cooling trend with more frequent rainfall and potential torrential showers.~~ approximately 18°C during this transition. Bulgaria ~~continues to experience~~ is experiencing a final period of high temperatures, with ~~September~~ highs ~~reaching~~ between 30°C ~~to 35°C in many areas. While much of the country remains sunny, convective clouds~~ and ~~brief thunderstorms are expected~~ 37°C in ~~the mountains of Western Bulgaria. A major storm system~~ Sofia and Veliko Tarnovo. However, a cold air mass is ~~forecasted~~ expected to ~~impact the Mediterranean~~ bring a sharp reversal this weekend, bringing thunderstorms, heavy rainfall, and ~~Adriatic, with Severe Weather Europe warning of intense instability, large~~ localized hail, ~~and destructive winds. Slovenia has issued orange warnings for the southwest due~~ particularly to ~~high wind and storm risks. In Bosnia and Herzegovina, meteorologist Nedim Sladić warned that heavy rainfall may trigger flash floods but might not alleviate~~ the ~~drought, as the soil has become hydrophobic~~ Rila-Rhodope and ~~compacted following an exceptionally hot summer. In North Macedonia, wildfire activity remains a concern following recent surges~~ Central Stara Planina regions. By Sunday, temperatures in ~~open-space fires.~~ Sofia are forecast to drop to 20-21°C.

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