Dense Fog Advisory 03/04/2026 20:02 Iowa, Illinois

Headline: 
Dense Fog Advisory issued March 4 at 10:02PM CST until March 5 at 6:00AM CST by NWS Quad Cities IA IL
Event: 
Dense Fog Advisory
Urgency: 
Expected
Effective: 
March 4, 2026 - 8:02pm
Expires: 
March 5, 2026 - 4:00am
Description: 
* WHAT...Visibility less than one quarter mile in dense fog. * WHERE...Portions of northwest and west central Illinois and east central and southeast Iowa. * WHEN...Until 6 AM CST Thursday. * 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; Rock Island; Mercer; Henderson; Warren
Forcast Office: 
NWS Quad Cities IA IL
Sender: 
w-nws.webmaster@noaa.gov