Heat Waves

Extreme Weather Temperature Temperature Records Extreme Temperatures Temperature Extremes Extreme Weather Events Extreme Heat Record Temperatures Health Risks Temperature Alerts

Philadelphia Sends 57 Schools to Remote Learning Wednesday Due to Heat

District policy triggers online classes when a 9 a.m. forecast reaches 85°F, highlighting cooling shortfalls across many buildings.

NYC Area Under Air Quality Health Advisory for Ozone

Viral Bengaluru Video Shows Crayons Softening Indoors as Heatwave Grips City

New York Opens HEAP Cooling Aid, Offering Up to $1,000 for AC Units

IMD Forecasts 41–44°C in Telangana, 36–40°C in Hyderabad Through April 12

Western Heat Wave Drives Early Snowmelt That Raises Wildfire Risk

Record March Heat Ends Death Valley's Low-Desert Superbloom Early

New PG&E Outage Cuts Power to About 7,400 on San Francisco’s West Side

Phoenix Closes High-Risk Trails During Record-Early Extreme Heat Warning

Western U.S. Swelters in Multi-Day Heat Wave 25–40°F Above Normal, Highs 96–109°F

L.A. County Warns Against Ocean Water Contact at Six Beaches After Bacteria Spikes

Los Angeles Opens Hundreds of Cooling Centers as Heat Wave Grips Southern California

About a Dozen Cactus League Games Moved to Evenings as Rare March Heat Builds

California Ski Resorts Cut Seasons Short as Heat Wave Strips Sierra Snow

Cactus League Adjusts as Early Heat Wave Triggers Night Games and Cooling Measures

LA County Updates Beach Bacteria Advisories During Heat Wave

Senamhi Warns of New Heat Wave for Lima and Peru’s Coast Through March 8

Rio de Janeiro Enters Heat Protocol Level 3 as Maximum Hits 39.2°C

Victoria Declares State of Disaster as Extreme Bushfires Follow Brutal Heatwave

Woman Hospitalized With Severe Foot Burns From Scalding Sand in Valeria del Mar