Dense Fog Advisory Louisiana, Texas | Effective 03/20/2026 03:37

Headline: 
Dense Fog Advisory issued March 20 at 5:37AM CDT until March 20 at 9:00AM CDT by NWS Lake Charles LA
Event: 
Dense Fog Advisory
Urgency: 
Expected
Effective: 
March 20, 2026 - 3:37am
Expires: 
March 20, 2026 - 7:00am
Description: 
* WHAT...Visibility quarter to half a mile in dense fog. * WHERE...Portions of central, south central, southwest, and west central Louisiana and southeast Texas. * WHEN...Until 9 AM CDT this morning. * IMPACTS...Low visibility could make driving conditions hazardous.
Instruction: 
If driving, slow down, use your headlights, and leave plenty of distance ahead of you.
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