Dense Fog Advisory 03/05/2026 12:49 Illinois

Headline: 
Dense Fog Advisory issued March 5 at 2:49PM CST until March 6 at 6:00AM CST by NWS Chicago IL
Event: 
Dense Fog Advisory
Urgency: 
Expected
Effective: 
March 5, 2026 - 12:49pm
Expires: 
March 5, 2026 - 11:00pm
Description: 
* WHAT...Visibility one quarter mile or less in dense fog near Lake Michigan. * WHERE...Central Cook County. * WHEN...Until 6 AM CST Friday. * IMPACTS...Low visibility could make driving conditions hazardous. * ADDITIONAL DETAILS...Dense fog near the Lake Michigan shore is expected to persist through tonight and may expand farther inland after sunset.
Instruction: 
If driving, slow down, use your headlights, and leave plenty of distance ahead of you.
Area Description: 
Central Cook
Forcast Office: 
NWS Chicago IL
Sender: 
w-nws.webmaster@noaa.gov