National Weather Service United States Department of Commerce
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Last Map Update: Tue, Jul 28, 2026 at 2:52:14 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.
Lows will be in the 70s under mostly clear skies tonight.
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 110 degrees for many areas late this week and weekend. Overnight lows will remain warm in the 70s to low 80s.