Extreme Heat Across the Southern U.S.; Flash Flooding Threats in the Mid-Atlantic, Northeast, and Four Corners Region

Dangerous and extreme heat will remain across portions of the southern U.S. this week. Heavy rainfall may bring significant flash flooding across portions of the Mid-Atlantic and Northeast through the night, and additional flash flooding concerns across New England on Wednesday. Monsoonal thunderstorms will bring a flash flood risk to the Four Corners region, especially in burn scar areas Read More >

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Last Map Update: Tue, Jul 28, 2026 at 8:14:50 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 in Effect

Hot Week, Followed by a Weak Cold Front

Heat Safety Best Practices

Increased Risk of Heat Related Illness This Week

A Heat Advisory remains in effect and has been extended through 8 pm Wednesday. Temperatures will be between 97 to 103 with heat index values as high as 109 degrees in the advisory area. Limit time spent outdoors, and drink plenty of water to stay hydrated.

Triple digit temperatures will continue throughout the week with heat index values up to 112 degrees. A weak cold front will arrive this weekend, knocking high temperatures down into the mid to upper 90s with morning lows in the 70s areawide.

With summer heat in full swing across our area, take a moment to review these heat safety best practices. Heat related illness and death is preventable as long as you know how to protect yourself by staying cool and hydrated.

Dangerous heat is expected this week, which will increase the risk of heat related illnesses. Make sure you know the signs of heat exhaustion and heat stroke in order to protect yourself and others from the heat.