Texas Severe Extreme Heat Warning | Effective 06/17/2026 17:52

Headline: 
Extreme Heat Warning issued June 17 at 7:52PM CDT until June 18 at 8:00PM CDT by NWS Brownsville TX
Event: 
Extreme Heat Warning
Urgency: 
Expected
Effective: 
June 17, 2026 - 5:52pm
Expires: 
June 18, 2026 - 6:00pm
Description: 
* WHAT...Dangerously hot conditions with heat index values up to 125F degrees expected. * WHERE...Coastal Cameron, Coastal Kenedy, Coastal Willacy, Inland Cameron, Inland Kenedy, Inland Willacy, Northern Hidalgo, Southern Hidalgo, and Starr Counties. * WHEN...From 11 AM to 8 PM CDT Thursday. * IMPACTS...Heat related illnesses increase significantly during extreme heat and high humidity events.
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. 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: 
Inland Kenedy; Starr; Southern Hidalgo; Inland Willacy; Inland Cameron; Coastal Kenedy; Northern Hidalgo; Coastal Willacy; Coastal Cameron
Forcast Office: 
NWS Brownsville TX