Texas Severe Extreme Heat Watch | Effective 06/17/2026 09:35

Headline: 
Extreme Heat Watch issued June 17 at 11:35AM CDT until June 18 at 8:00PM CDT by NWS Brownsville TX
Event: 
Extreme Heat Watch
Urgency: 
Future
Effective: 
June 17, 2026 - 9:35am
Expires: 
June 17, 2026 - 6:15pm
Description: 
* WHAT...Dangerously hot conditions with heat index values up to 120 possible. * WHERE...Brooks, Jim Hogg, and Zapata Counties. * WHEN...From Thursday afternoon through Thursday evening. * 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.
Area Description: 
Zapata; Jim Hogg; Brooks
Forcast Office: 
NWS Brownsville TX