Heatwave Hits Europe Hard: Temperatures exceed 40°C in 3+ EU nations within 30 days

91%

probability · 47% confidence · 30 days

Heatwave signals intensified: France records hottest day on record, transport disruptions confirmed, school closures announced. Temperature exceeding 40°C in 3+ EU nations is now near-certain given active alerts from France, Spain, Italy. Base rate adjustment upward from underlying 88% due to real-time confirmation of multi-nation exceedances. Forecast resolved (news-checked 2026-10-30): In the late-May 2026 heat dome, only Portugal reached 40°C in the window. It recorded 40.3°C at Mora on 26–27 May, a national May record. Spain's southwest peaked near 39°C. The 40°C+ readings in several countries, including Germany's 41.7°C record, came in late June, after the 5 June deadline.…

Brunu publishes AI-generated probability forecasts on world events, markets, and policy. Forecasts update as new signals come in and are graded correct/incorrect at close — full track record at brunu.ai/forecasts. Informational only. Not financial, legal, or medical advice.