Jackson, MS – A Dense Fog Advisory is in effect across northeast Louisiana and much of Mississippi this morning, with visibility dropping to one-quarter mile or less through 9 a.m. CST Saturday. The National Weather Service in Jackson warns that widespread fog will make early travel hazardous, especially on rural highways and major corridors.
According to the National Weather Service, the advisory covers a large region including Madison, Franklin, Catahoula, Tensas and Concordia parishes in Louisiana, and a broad stretch of Mississippi from Columbus and Starkville south to Hattiesburg, Laurel, Natchez, Brookhaven, Vicksburg, Meridian, Jackson, Pearl, Ridgeland, Canton, Forest, Philadelphia, Yazoo City and McComb.
Dense fog formed rapidly Friday night, aided by light winds and abundant ground moisture. Drivers may encounter sudden drops in visibility on I-20, I-55, US-49, US-61, MS-25, MS-35 and other major routes. Low-lying river basins, open farmland, and shaded areas are likely to see the thickest fog through sunrise.
Forecasters expect conditions to gradually improve mid-morning, but isolated foggy pockets may linger longer in wooded and poorly drained areas. Motorists are urged to slow down, use low-beam headlights, and leave extra stopping distance.
Officials emphasize that fog may vary sharply over short distances—clear visibility may suddenly transition to near-whiteout conditions, particularly along bridges, rural stretches and areas near the Pearl River and lower Mississippi River.


