Weather ❯ Extreme Weather

Heat Waves

Health Risks Temperature Records Impact on Events Health Impacts Heat Warnings Impact on Health Public Health Temperature Effects Impact on Infrastructure Impact on Society

Extreme Heat Warnings Hit Greater Mojave and Southwest Arizona

Limited nighttime cooling will increase heat‑illness risk across the region.

Nevada Visitor Dies After Medical Emergency on Sequoia’s General Sherman Trail

Fire Crews Conduct Active Rescue of Two Hikers on Gateway Loop Trail

USPS Carrier Found Unresponsive on Route in Little Elm During Extreme Heat

Japan Records First Official 40°C 'Kokushobi' Days as Heat Warnings Rise

Thorn Fire Blackens San Diego Backcountry, Burns at Least 1,200 Acres

National Weather Service Issues Extreme Heat Warnings for Southwest California and Nearby Arizona

Airbnb Pledges $1 Million as City Rushes to Remove 85 Million Pounds of Spoiled Food in Boyle Heights

Amtrak and SEPTA Slow Trains as Northeast Heat Wave Disrupts Service

Los Angeles County Issues Ocean Water Warnings as Heat Wave Drives Crowds

Heat Forces Tour Stage Cuts as Riders Demand Calendar Change

Extreme Heat Alerts Stretch Across Southern California and Southwest Arizona

Epic Universe Runs Nighttime Spectacular Without Fireworks

Peoria Police Execute Search Warrant at School District Headquarters in Teacher Sex Probe

Trump Turns U.S. 250th Celebrations into Personal Campaign Spectacle

Extreme Heat Forces Cancellation of Philadelphia Semiquincentennial Parade, NWS Issues Warning

Heat-Driven Mass-Casualty Response at Reading Station After Big Boy Visit

PSE&G Braces Crews for Extreme Heat and Weekend Thunderstorms

Extreme Heat Cripples NJ Transit Evening Commute

El Niño Is Underway as Oceans Hit Record Heat, Agencies Warn of a Strong Event