Texas Moderate Heat Advisory | Effective 06/18/2026 18:08

Headline: 
Heat Advisory issued June 18 at 8:08PM CDT until June 20 at 10:00PM CDT by NWS Houston/Galveston TX
Event: 
Heat Advisory
Urgency: 
Expected
Effective: 
June 18, 2026 - 6:08pm
Expires: 
June 19, 2026 - 2:15am
Description: 
* WHAT...Heat index values up to 108 degrees Fahrenheit (42 degrees Celsius). * WHERE...Brazoria County Islands. * WHEN...Until 10 PM CDT Saturday. * 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: 
Brazoria Islands
Forcast Office: 
NWS Houston/Galveston TX
Sender: 
w-nws.webmaster@noaa.gov