⚠️ Extreme Heat Watch – Inland Kenedy; Starr; Southern Hidalgo; Inland Willacy; Inland Cameron; Coastal Kenedy; Northern Hidalgo; Coastal Willacy; Coastal Cameron – Wednesday, June 17, 2026

Extreme Heat Watch issued June 17 at 11:35AM CDT until June 18 at 8:00PM CDT by NWS Brownsville TX

Details

* WHAT…For the Heat Advisory, heat index values up to 113 expected.
For the Extreme Heat Watch, dangerously hot conditions with heat
index values up to 124 possible.

* WHERE…Coastal Cameron, Coastal Kenedy, Coastal Willacy, Inland
Cameron, Inland Kenedy, Inland Willacy, Northern Hidalgo, Southern
Hidalgo, and Starr Counties.

* WHEN…For the Heat Advisory, until 8 PM CDT this evening. For the
Extreme Heat Watch, from Thursday afternoon through Thursday
evening.

* IMPACTS…Heat related illnesses increase significantly during
extreme heat and high humidity events. Hot temperatures and high
humidity may cause heat illnesses.

Instructions

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 exercise and strenuous activities to
early morning or evening. Take action when you see symptoms of heat
exhaustion and heat stroke. Heat related illnesses increase
significantly during extreme heat and high humidity events.

This alert was automatically posted by SkyGuard, MWSC’s severe weather alerting system. Source: National Weather Service.