National Weather Service United States Department of Commerce
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Last Map Update: Tue, Jul 28, 2026 at 6:36:19 am CDT

A Heat Advisory is in effect for the Coastal Plains and portions of the Rio Grande Plains Tuesday from Noon to 7PM. Temperatures will climb to between 99-103 on Tuesday and in combination with humidity, it will feel hotter, between 108-111 at times.
Sunny skies with seasonably hot temperatures. Highs will be mainly in the 90s with a few spots reaching 100 in the Rio Grande Plains. Higher humidity will lead to elevated heat risk over the Coastal Plains and southern Rio Grande Plains. A Heat Advisory is in effect.
Summer heat is ramping up across South-Central Texas heading into August. Expect highs reaching 100 to 103 degrees and peak heat index values climbing between 105 and 113 degrees for many areas late this week and weekend. Overnight lows will remain warm in the 70s to low 80s.