Extreme Heat Warning September 11, 2026: Dangerous Heat Expands Across Arizona and Southern California
Extreme Heat Warnings cover desert areas of Arizona and Southern California, including Imperial, Coachella, and San Diego County deserts.
Heat Safety
Extreme Heat Builds Across South Texas as Heat Index Reaches 108–111°F — September 10, 2026
Hot temperatures and high humidity will produce heat index values of 108–111°F across parts of South Texas on September 10, 2026.
Extreme Heat Warning: Dangerous Heat Grips Kansas and Missouri — September 7, 2026
Extreme Heat Warning covers portions of Kansas and Missouri as dangerous heat and humidity create a major risk of heat-related illness.
Extreme Heat Warning Spreads Across Midwest and Plains — September 5, 2026
Extreme Heat Warnings cover parts of Illinois, Missouri, Kansas, Iowa, Indiana and Kentucky as dangerous heat and humidity impact the Midwest.
Extreme Heat and Air Quality Concerns Expand Across the Midwest – September 2, 2026
Extreme Heat Warnings cover parts of Illinois, Indiana, Kentucky, Iowa and Missouri, while an Air Quality Alert affects the St. Louis region.
Dallas-Fort Worth Air Quality Alert and Extreme Heat Threat Across Texas and Oklahoma – August 25, 2026
Dallas-Fort Worth Air Quality Alert and Dangerous Heat The Dallas-Fort Worth area is under an Air Quality Alert as dangerous summer heat continues across North…
Heat Advisory: Dangerous Heat Hits Puerto Rico & U.S. Virgin Islands – August 17, 2026
Heat Advisory impacts Puerto Rico, Vieques, Culebra and the U.S. Virgin Islands as heat indices exceed 108°F. Learn heat risks and safety tips.
Extreme Heat Grips Arizona, Nevada & California — August 16, 2026
Extreme heat threatens Arizona, California and Nevada, with warnings and watches covering major communities. Learn the risks and safety steps.
Extreme Heat Watch Expands Across Arizona: Phoenix, Pinal and Southern Arizona Face Dangerous Heat – August 14, 2026
Extreme Heat Watch covers Phoenix, Pinal County, Tucson and southern Arizona. Learn about dangerous heat, safety risks and Graham County power concerns.
South Florida Heat Advisory: Dangerous Heat August 10, 2026
A Heat Advisory is in effect August 10 for parts of South Florida. Dangerous heat and humidity may create a heightened risk of heat illness.
California Heat & Coastal Flood Alerts: August 10, 2026
Coastal Flood Advisories affect Bay Area and Southern California beaches, while Extreme Heat Warnings target California’s Central Valley, deserts and Las Vegas.
Heat Advisory in Effect as Oppressive Heat and Tropical Humidity Increase the Risk of Heat-Related Illness Across South Florida | July 31, 2026
A Heat Advisory is in effect across Coastal and Metro Broward, Miami-Dade, and Palm Beach counties as high temperatures and heavy humidity push heat indices…
Dangerous Heat Grips North and East Texas as Temperatures Soar — July 30, 2026
A Heat Advisory is in effect across portions of North and East Texas as soaring temperatures and heavy humidity push heat indices past 105°F. Stay…
Extreme Heat Watch Issued for Portions of Montana and Wyoming Alongside Power Outages in Johnson County – July 30, 2026
An Extreme Heat Watch has been issued for central, south-central, and southeast Montana, as well as north-central Wyoming. Meanwhile, residents in Johnson County, Wyoming, grapple…
Extreme Heat Watch for Northeast Florida – July 28, 2026
Extreme Heat Watch issued for northeast Florida and southeast Georgia as Special Marine Warnings and Marine Weather Statements impact Atlantic coastal waters.
Extreme Heat Warning Hits Southwest States July 28, 2026
Extreme Heat Warning impacts parts of AZ, CA, NV, and UT while California coastal waters face hazardous conditions and Small Craft Advisory alerts.
Heat Advisory Heat and Humidity Heat Wave 2026 Power Outages Severe Weather Summer Heat Weather Watch
Extreme Heat Warning Southeast Louisiana & Southern Mississippi – July 27, 2026
Extreme Heat Warning and Heat Advisory remain in effect for southeast Louisiana and southern Mississippi as Pointe Coupee Parish experiences power outages.
Extreme Heat Warning for Greater Mojave Desert Region – July 27, 2026
Extreme Heat Warning for northwest Arizona, southeast California, and southern Nevada. Temperatures up to 120°F threaten the Greater Mojave Desert Region.
Extreme Heat Warning for Phoenix Metro Area – July 26, 2026
Extreme Heat Warning for south-central Arizona, including the Phoenix metro area, as temperatures climb above 110°F. Stay informed and stay safe on July 26, 2026.
Extreme Heat Warning Arizona & Air Quality Alert | July 24, 2026
Extreme Heat Warnings and an Air Quality Alert impact southern Arizona and Phoenix on July 24, 2026. Learn how monsoon season contributes to dangerous heat.
Coastal Hazard Gale Warning/Small Craft Advisory Marine Marine Weather HQ Rip Currents/Marine Rough Seas Weather Watch
Small Craft Advisory for Washington and Northern Oregon Coastal Waters
Small Craft Advisory remains in effect for coastal waters from Cape Shoalwater, WA, to Cape Falcon, OR, while a Heat Advisory covers Seattle, Everett, Kitsap…
Heat Advisory Heat and Humidity Heat Wave 2026 Severe Weather Special Weather Statement Summer Heat Weather Watch
Special Weather Statement: Heat Index Up to 111°F Expected in Edinburg, Falfurrias, Reynosa & Matamoros
Dangerous heat grips South Texas and northeastern Mexico as heat index values climb to 111°F in Edinburg, Falfurrias, Reynosa, and Matamoros. Learn the latest forecast…
U.S. Temperature Outlook: How Humidity, Moisture, and Drought Are Shaping Today’s Weather
Track the latest U.S. temperature trends as humidity, soil moisture, and drought conditions shape today’s weather. Learn how these factors impact heat, heat index values,…
Heat Advisory for Los Angeles County | Extreme Heat Watch Across Southern California
A Heat Advisory is in effect for the San Fernando Valley, Downtown Los Angeles, San Gabriel Valley, Santa Clarita Valley, and surrounding areas as an…
Extreme Heat Watch and Air Quality Alert Issued for Philadelphia, Trenton, and New York
An Extreme Heat Watch and Air Quality Alert have been issued for Philadelphia, Trenton, and New York. Learn what to expect, health risks, and how…
