HEAT ADVISORY ISSUED BY NATIONAL WEATHER SERVICE

The National Weather Service Weather Forecast Office Austin / San Antonio TX issues a Heat Advisory on Wednesday, August 19th, 2026 at 12 Noon that “Temperatures and heat indices will increase a few degrees over the next few days, and we have issued a Heat Advisory for the northern Hill Country, I-35 Corridor, and Coastal Plains for each day, Thursday through Sunday.
High temperatures will be up to 105 degrees and heat index values will be up to 113.
An Extreme Heat Warning may be needed over the weekend. Click the picture below for additional information.





