Texas Moderate Heat Advisory | Effective 08/21/2026 04:34
* WHAT...Heat index values 108 to 112.
* WHERE...Portions of south central and southeast Texas.
* WHEN...Until 7 PM CDT Saturday.
* IMPACTS...Hot temperatures and high humidity may cause heat
illnesses.
* ADDITIONAL DETAILS...Locally higher heat index values are possible,
especially in Chambers, Liberty, San Jacinto and Polk Counties. If
forecast heat indices trend higher, then an Excessive Heat Warning
may be warranted for these counties.
Drink plenty of fluids, stay in an air-conditioned room, stay out of