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Heat Waves

High Temperatures Seasonal Changes Regional Variations Humidity Regional Weather Summer Weather Record Temperatures Extreme Weather Extreme Heat Health Risks

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

Forecast highs above 100 degrees in Phoenix this week are prompting added hydration access alongside other fan-safety steps.

Santa Ana Winds Ease After Weekend Peak as Southern California Heats Up

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

Record-Challenging Late-February Heat Grips the Desert Southwest

Saharan Dust Reaches Europe, Bringing Haze and Early‑Spring Warmth

Red Flag Warning as Cold Front Brings Brief Chill to South Texas

Australian Open Halts Outside Play as Heat Protocol Hits Maximum

SAWS Maintains Yellow Storm Alerts as Heatwave Persists Across Interior

Senamhi Warns of Coastal Heat Through Jan. 28, With Highs Up to 37°C

Extratropical Cyclone Strikes Brazil’s South as Rio Swelters and São Paulo Faces Storm Risk

Catalonia Logs Fourth-Warmest Year as 2025 Ends With 21st Century’s Wettest December

Buenos Aires Outage Peaked Above 1 Million as ENRE Probes Bosques Substation Failure

2025 Ranks Among Hottest Years as Three-Year Global Average Tops 1.5°C Threshold

Aeroparque Reopens After Three-Hour Closure Caused by Asphalt Break Near Runway

Massive Fish Schools Darken Rio’s Shoreline as Upwelling Draws Them Near

Christmas Heat Grips Brazil as Rio Escalates Alerts and South Faces Severe Storms

Brazil Opens Summer With Southeast Heat Wave as Inmet Flags Severe Storms in Rio Grande do Sul

Perth Sets Hottest Start to Summer as South-East Shivers and Geraldton Fire Threatens Homes

INMET Alerts Through Saturday: South Risks Hail, North Faces Downpours, Southeast Heats Up

Twin Cities Marathon Will Proceed Under Yellow-Flag Heat Plan