⚠️ Heat Advisory – Brazoria Islands – Thursday, June 18, 2026

Heat Advisory issued June 18 at 9:56AM CDT until June 20 at 10:00PM CDT by NWS Houston/Galveston TX

Details

* WHAT…Heat index values up to 108 expected.

* WHERE…Brazoria Islands County.

* WHEN…From 8 PM this evening to 10 PM CDT Saturday.

* IMPACTS…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 strenuous activities to early morning
or evening. Take action when you see symptoms of heat exhaustion and
heat stroke.

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