Louisiana, Mississippi Dense Fog Advisory | Effective 04/11/2026 03:17

Headline: 
Dense Fog Advisory issued April 11 at 5:17AM CDT until April 11 at 9:00AM CDT by NWS New Orleans LA
Event: 
Dense Fog Advisory
Urgency: 
Expected
Effective: 
April 11, 2026 - 3:17am
Expires: 
April 11, 2026 - 7:00am
Description: 
* WHAT...Visibility one quarter mile or less in dense fog. * WHERE...Portions of southeast Louisiana and southern Mississippi. * WHEN...Until 9 AM CDT this morning. * IMPACTS...Low visibility could make driving conditions hazardous.
Instruction: 
If driving, slow down, use your low beam headlights, and leave plenty of distance ahead of you.
Area Description: 
Pointe Coupee; West Feliciana; East Feliciana; St. Helena; Washington; Iberville; West Baton Rouge; East Baton Rouge; Assumption; St. James; St. John The Baptist; Northern Tangipahoa; Southeast St. Tammany; Northern St. Tammany; Southwestern St. Tammany; Central Tangipahoa; Lower Tangipahoa; Northern Livingston; Southern Livingston; Western Ascension; Eastern Ascension; Upper Plaquemines; Wilkinson; Amite; Pike; Walthall; Pearl River; Northern Hancock; Northern Harrison; Northern Jackson; Southern Hancock; Southern Harrison; Southern Jackson
Forcast Office: 
NWS New Orleans LA