Dense Fog Advisory 03/04/2026 23:22 Iowa, Illinois, Missouri

Headline: 
Dense Fog Advisory issued March 5 at 1:22AM CST until March 5 at 9:00AM CST by NWS Quad Cities IA IL
Event: 
Dense Fog Advisory
Urgency: 
Expected
Effective: 
March 4, 2026 - 11:22pm
Expires: 
March 5, 2026 - 7:00am
Description: 
* WHAT...Visibility less than one quarter mile or less in dense fog. * WHERE...Portions of north central, northwest, and west central Illinois, east central and southeast Iowa, and northeast Missouri. * WHEN...Until 9 AM CST 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: 
Johnson; Cedar; Clinton; Muscatine; Scott; Washington; Louisa; Jefferson; Henry; Des Moines; Van Buren; Lee; Rock Island; Henry; Bureau; Putnam; Mercer; Henderson; Warren; Hancock; McDonough; Scotland; Clark
Forcast Office: 
NWS Quad Cities IA IL
Sender: 
w-nws.webmaster@noaa.gov