Texas Moderate Heat Advisory | Effective 09/12/2026 21:20

Headline: 
Heat Advisory issued September 12 at 11:20PM CDT until September 13 at 6:00PM CDT by NWS Houston/Galveston TX
Event: 
Heat Advisory
Urgency: 
Expected
Effective: 
September 12, 2026 - 9:20pm
Expires: 
September 13, 2026 - 4:00pm
Description: 
* WHAT...Heat index values up to 109 expected. * WHERE...Portions of south central and southeast Texas. * WHEN...From 11 AM to 6 PM CDT Sunday. * 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; San Jacinto; Polk; Burleson; Brazos; Washington; Grimes; Montgomery; Northern Liberty; Colorado; Austin; Waller; Inland Harris; Wharton; Fort Bend; Inland Jackson; Inland Matagorda; Inland Brazoria; Coastal Jackson
Forcast Office: 
NWS Houston/Galveston TX
Sender: 
w-nws.webmaster@noaa.gov