Environment ❯ Climate ❯ Extreme Weather

Heat Waves

Impact on Health Impact on Communities Health Impacts Impact on Wildlife Temperature Records Health Effects Flooding Impact on Society Storms Urban Heat Effects

Three Hikers Die in Grand Canyon as Park Issues Extreme Heat Watch

Park officials warn inner‑canyon heat above 110°F, limited water, remote terrain, and scarce shade greatly increase danger for hikers

Three Hikers Die on Grand Canyon Inner Trails During Extreme Heat

Sonora Confirms First Heat Death as Cases Rise Early in Season

Heat Relief Network Launches Friday Across Phoenix Area as City Activates Expanded Summer Plan

Sonora’s Summer Power Subsidy Starts April 1 as CFE Confirms Automatic Bill Relief

Phoenix Cites Preliminary Drop in 2025 Heat Deaths, Touts Expanded Cooling Efforts

West Coast Heat Wave Triggers Warnings With Portland Under Extreme Alert Through Tuesday

Hermosillo Users March to Demand Reliable Power and a Constitutional Right to Electricity

Shutdown of High-Voltage Lines Triggers Near-Nationwide Blackout in Iraq

July Heatwave Claims 1,060 Lives in Spain, 57% Rise From Last Year

Severe Storms Threaten Maryland After Heat Wave Records 19 Deaths

Heat Advisories Lifted in Southeast Pennsylvania and Oregon

Guardia Civil Uses TikTok to Warn Pet Owners as Heatstroke Cases Surge

Spain’s Early Summer Heat Drives 1,180 Deaths and 76 Red Alerts

Grand Canyon Hiker Dies on South Kaibab Trail During Extreme Summer Heat

Extreme Heat Found to Accelerate Biological Aging in Older Adults

Second Heat-Related Death in Death Valley Highlights Extreme Risks

Heatwave Claims Multiple Lives in Utah's State and National Parks