Illinois Moderate Dense Fog Advisory | Effective 09/10/2026 03:40

Headline: 
Dense Fog Advisory issued September 10 at 5:40AM CDT until September 10 at 8:00AM CDT by NWS Chicago IL
Event: 
Dense Fog Advisory
Urgency: 
Expected
Effective: 
September 10, 2026 - 3:40am
Expires: 
September 10, 2026 - 6:00am
Description: 
* WHAT...Visibility one quarter mile or less in dense fog. * WHERE...Northern Will County. * WHEN...Until 8 AM CDT 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: 
Northern Will
Forcast Office: 
NWS Chicago IL
Sender: 
w-nws.webmaster@noaa.gov