Texas Severe Extreme Heat Warning | Effective 07/22/2026 12:15

Headline: 
Extreme Heat Warning issued July 22 at 2:15PM CDT until July 22 at 8:00PM CDT by NWS Houston/Galveston TX
Event: 
Extreme Heat Warning
Urgency: 
Expected
Effective: 
July 22, 2026 - 12:15pm
Expires: 
July 22, 2026 - 6:00pm
Description: 
* WHAT...Dangerously hot conditions with heat index values up to 116. * WHERE...Portions of south central and southeast Texas. * WHEN...Until 8 PM CDT this evening. * IMPACTS...Hot temperatures and high humidity will increase the risk for heat related illnesses to occur, particularly for those working or participating in outdoor activities.
Instruction: 
Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors. Do not leave young children and pets in unattended vehicles. Car interiors will reach lethal temperatures in a matter of minutes. 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. To reduce risk during outdoor work, the Occupational Safety and Health Administration recommends scheduling frequent rest breaks in shaded or air conditioned environments. Anyone overcome by heat should be moved to a cool and shaded location. Heat stroke is an emergency! Call 9 1 1. Stay cool, stay hydrated, stay informed.
Area Description: 
Houston; Trinity; Madison; Walker; San Jacinto; Polk; Burleson; Brazos; Washington; Grimes; Montgomery; Northern Liberty; Colorado; Austin; Waller; Inland Harris; Chambers; Wharton; Fort Bend; Inland Jackson; Inland Matagorda; Inland Brazoria; Inland Galveston; Southern Liberty; Coastal Harris; Coastal Jackson; Coastal Matagorda; Coastal Brazoria; Coastal Galveston; Matagorda Islands; Brazoria Islands; Galveston Island; Bolivar Peninsula
Forcast Office: 
NWS Houston/Galveston TX