Dense Fog Advisory 03/05/2026 09:54 Illinois, Indiana

Headline: 
Dense Fog Advisory issued March 5 at 11:54AM CST until March 5 at 3:00PM CST by NWS Chicago IL
Event: 
Dense Fog Advisory
Urgency: 
Expected
Effective: 
March 5, 2026 - 9:54am
Expires: 
March 5, 2026 - 1:00pm
Description: 
* WHAT...Visibility one quarter mile or less in dense fog near Lake Michigan. * WHERE...In Illinois, Central Cook County. In Indiana, Lake IN and Porter Counties. * WHEN...Until 3 PM CST this afternoon. * 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: 
Central Cook; Lake; Porter
Forcast Office: 
NWS Chicago IL
Sender: 
w-nws.webmaster@noaa.gov