A Heat Dome occurs when a persistent region of high pressure traps heat over a specific area, acting like a lid on a pot. This leads to record-breaking temperatures and prolonged heatwaves. Our coverage tracks heat dome developments, providing essential safety tips and climate data on extreme heat events worldwide.
A dangerous heat dome will spread across the western and central United States and Canadian Prairies from July 11–15, bringing 111°F in Montana, 104°F in North Dakota, 38°C in Manitoba and humidex values near 45.
North America Heat Dome Forecast: 111°F in Montana and Humidex 45 in Canada Read Post »
Europe’s July 2026 heat dome is escalating. France activates its Extreme Heat ORSEC plan, UK wildfire risk turns extreme, the Netherlands launches its heat plan, and tropical nights intensify.
Europe Heat Dome Emergency: France, UK and Netherlands on Alert Read Post »
Europe’s second July 2026 heatwave is intensifying under a heat dome, with 40–45°C possible in Spain, Portugal and France, spreading toward the UK, Germany, Italy and the Balkans. Forecast, cooldown timing, severe storms, tornado risk and heat safety advice.
Europe Second Heatwave 2026: Heat Dome Brings 40–45°C, Wildfire Risk and Severe Storms Read Post »
Europe’s July 2026 heatwave forecast: dangerous heat in Spain, Portugal and France, wildfire risk, storms after heat, Atlantic cooldown signals, Ukraine and Central Europe risk, plus the U.S. heat dome warning for Europe.
A historic heat dome is gripping the United States before the Fourth of July, pushing heat index values above 110°F across the Midwest, East Coast, Southeast and Southern Plains. Forecast, long-range outlook and safety advice.
America Is Under a Heat Dome: 200+ Million Face Dangerous Fourth of July Heat Read Post »
