Texas Moderate Heat Advisory | Effective 09/11/2026 22:20

Headline: 
Heat Advisory issued September 12 at 12:20AM CDT until September 12 at 6:00PM CDT by NWS Houston/Galveston TX
Event: 
Heat Advisory
Urgency: 
Expected
Effective: 
September 11, 2026 - 10:20pm
Expires: 
September 12, 2026 - 6:30am
Description: 
* WHAT...Heat index values up to 109 expected. * WHERE...Portions of south central and southeast Texas. * WHEN...From noon today to 6 PM CDT this evening. * IMPACTS...Hot temperatures and high humidity may cause heat illnesses.
Instruction: 
Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors. Take extra precautions when outside. Wear lightweight and loose fitting clothing. Try to limit strenuous activities to early morning or evening. Take action when you see symptoms of heat exhaustion and heat stroke.
Area Description: 
Houston; Trinity; Madison; Walker; Burleson; Brazos; Washington; Grimes; Montgomery; Colorado; Austin; Waller; Inland Harris; Wharton; Fort Bend; Inland Jackson; Inland Matagorda
Forcast Office: 
NWS Houston/Galveston TX
Sender: 
w-nws.webmaster@noaa.gov