Dense Fog Advisory 03/06/2026 00:15 Illinois

Headline: 
Dense Fog Advisory issued March 6 at 2:15AM CST until March 6 at 10:00AM CST by NWS Chicago IL
Event: 
Dense Fog Advisory
Urgency: 
Expected
Effective: 
March 6, 2026 - 12:15am
Expires: 
March 6, 2026 - 8:00am
Description: 
* WHAT...Visibility one quarter mile or less in dense fog. * WHERE...Portions of north central and northeast Illinois. * WHEN...Until 10 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: 
Winnebago; Boone; McHenry; Ogle; Lee; De Kalb; Kane; DuPage; La Salle; Kendall; Grundy; Southern Cook; Northern Will; Southern Will; Eastern Will
Forcast Office: 
NWS Chicago IL
Sender: 
w-nws.webmaster@noaa.gov