Severe Thunderstorms and Heavy Rain Across the Ohio Valley;

Severe thunderstorms with damaging wind gusts will be possible from the mid-Mississippi Valley into parts of the Ohio Valley and central Appalachians. Heavy rain associated with these storms may lead to considerable flash and urban flooding impacts across portions of the Ohio Valley. Mid-summer heat persists from the Central Plains to the Southeast. Read More >

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Last Map Update: Tue, Aug 11, 2026 at 6:52:39 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

Increasing Grass Fire Threat This Week

Heat Safety Tips

A Heat Advisory is in effect through 8 pm this evening for portions of North and East Texas and has been expanded to include Van Zandt, Rains, and Henderson counties. Heat index values up to 107 degrees are expected in the advisory area, with actual temperatures between 97 to 102 degrees. Ensure you drink plenty of water to stay hydrated, and limit time spent outdoors during the hottest time of the day.

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Severe Thunderstorms and Heavy Rain Across the Ohio Valley;

NWS Fort Worth/Dallas