Active AlertsNorthern Tangipahoa

What: Visibility one quarter mile or less in dense fog.
Where: Portions of southeast Louisiana and southern Mississippi.
When: Until 11 AM CST this morning, and again from 7 PM this evening to 10 AM CST Thursday.
Impacts: Low visibility could make driving conditions hazardous, especially in areas where smoke can mix with fog to reduce visibilities to near zero.

If driving, slow down, use your low beam headlights, and leave plenty of distance ahead of you.