Gulf Coast Heat Index to Dangerous Levels

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19 Jun 2026 4:45 PM

Heat and humidity in the southern plains and along the Gulf Coast will feel very tropical and oppressive from Miami to Brownsville, Texas.

Across the Gulf Coast, heat alerts remain in place as hot temperatures and humidity will make it feel like temperatures well into the 100s! Hot temperatures and high humidity in this part of the country can increase heat illness. Make sure to take breaks and find ways to stay cool.

On Friday, Houston will have a heat index value of 114° and the most southern tip of Texas will feel close to 120°

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