Extreme Heat and Tropical Storm Bertha Impacts

Dangerous heat will expand from the Gulf Coast into the Southern Plains and Desert Southwest through week's end. Additional extreme heat impacting the Pacific Northwest will shift to the northern Plains by the weekend. Tropical Storm Bertha is expected to continue to impact portions of the northern Gulf Coast from the western Florida Panhandle to southeastern Louisiana through tonight. Read More >

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Last Map Update: Wed, Jul 22, 2026 at 10:48:36 pm CDT

Watches, Warnings & Advisories

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National Weather Service Austin/San Antonio, TX

National Weather Service Houston/Galveston, TX

National Weather Service Lake Charles, LA

Heat Advisory

Hazardous Weather Outlook

Heat Advisory Thursday

Dangerous Heat Continues All Week

Increased Risk of Heat Related Illness This Week

⚠️ A Heat Advisory is now in effect tonight and tomorrow.⚠️ Temperatures will be touch lower, but still dangerously hot with temperatures around 100 and heat index values a few degrees higher. Proper heat safety will be key to preventing heat related illnesses!

Dangerous heat is expected across the region this week, with high temperatures well into the 100s for many locations, and heat index values up to 105-110 degrees. Ensure you take all necessary precautions to protect yourself from the heat. Drink plenty of water, limit time spent outdoors, and ensure you know the signs of heat related illness.

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Extreme Heat and Tropical Storm Bertha Impacts

NWS Fort Worth/Dallas