Louisiana, Texas Moderate Heat Advisory | Effective 07/20/2026 23:00

Headline: 
Heat Advisory issued July 21 at 1:00AM CDT until July 21 at 7:00PM CDT by NWS Lake Charles LA
Event: 
Heat Advisory
Urgency: 
Expected
Effective: 
July 20, 2026 - 11:00pm
Expires: 
July 21, 2026 - 2:00pm
Description: 
* WHAT...Heat index values up to 111 expected. * WHERE...Portions of central, south central, southwest, and west central Louisiana and southeast Texas. * WHEN...From noon today to 7 PM CDT this evening. * IMPACTS...Hot temperatures and high humidity may cause heat illnesses.
Instruction: 
Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors. Monitor the latest forecasts and warnings for updates.
Area Description: 
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
Forcast Office: 
NWS Lake Charles LA