Environment ❯ Climate ❯ Extreme Weather ❯ Heat Waves

Impact on Health

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

Forecasters warn that unusually warm nights will prolong health risks.

Portland Heat Wave Sets Records as Warnings Extend Into Tuesday

California Heat Wave Sets Daily Records as Inland and Southern Areas Brace for a Searing Weekend

Extreme Heat Grips the West as Warnings Span 80 Million and Wildfire Threat Grows

NWS Issues New Severe Thunderstorm Warnings From Alabama to Pennsylvania

West Coast Under Extreme Heat Watches, Storms Expected to Bring Midweek Relief

Severe Storms Threaten Maryland After Heat Wave Records 19 Deaths

Heat Advisories Persist Across 29 States as Cold Front Offers Midweek Relief

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