National Weather Service United States Department of Commerce
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Last Map Update: Fri, Aug 21, 2026 at 4:52:30 pm CDT

A Heat Advisory remains in effect through 7 PM Sunday for the I-35 corridor, Coastal Plains, and Burnet/Llano counties. Afternoon highs of 100-105° and heat indices of 107-113° are expected. Remember and practice heat safety!
Today brings continued hazardous heat and mostly sunny skies across the region. High temperatures will range from 97 to 106 degrees with peak afternoon heat index values from 107 to 113 degrees. A Heat Advisory remains in effect for the I-35 corridor, Coastal Plains and Burnet/Llano Counties. Beat the Heat! Never leave people or pets in vehicles and check on those more vulnerable to the heat.
Expect some clouds to begin the evening but more clouds develop late tonight across most areas. Forecast overnight lows range from the lower 70s to 80 degrees. Southeast winds 5 to 10 mph.
Continued well above average heat is expected through the weekend and into next week. Low rain chances return Saturday, Thursday, and Friday afternoons, but conditions otherwise remain mostly rain-free. Highs in the upper 90s and up to 106. Highest heat index values from 108 to 112.
Make sure you take steps to stay cool and hydrated as Texas summer heat continues this August.