⚠️ Extreme Heat Warning – Vernon; Rapides; Avoyelles; Beauregard; Allen; Evangeline; St. Landry; Lafayette; Upper St. Martin; Lower St. Martin; West Cameron; East Cameron; Northern Calcasieu; Northern Jefferson Davis; Northern Acadia; Upper Vermilion; Upper Iberia; Upper St. Mary; Southern Calcasieu; Southern Jefferson Davis; Southern Acadia; Lower Vermilion; Lower Iberia; Lower St. Mary; Tyler; Hardin; Northern Jasper; Northern Newton; Southern Jasper; Southern Newton; Upper Jefferson; Northern Orange; Lower Jefferson; Southern Orange – Tuesday, July 21, 2026

Extreme Heat Warning issued July 21 at 11:38AM CDT until July 22 at 8:00PM CDT by NWS Lake Charles LA

Details

* WHAT…For the Heat Advisory, heat index values up to 113
expected. For the Extreme Heat Warning, dangerously hot conditions
with heat index values up to 117 expected.

* WHERE…Portions of central, south central, southwest, and west
central Louisiana and southeast Texas.

* WHEN…For the Heat Advisory, until 7 PM CDT this evening. For the
Extreme Heat Warning, from 10 AM to 8 PM CDT Wednesday.

* 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.

Do not leave young children and pets in unattended vehicles. Car
interiors will reach lethal temperatures in a matter of minutes.

Monitor the latest forecasts and warnings for updates.

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