Headline:
Dense Fog Advisory issued October 20 at 3:42AM CDT until October 20 at 9:00AM CDT by NWS Chicago IL
Event:
Dense Fog Advisory
Urgency:
Expected
Effective:
October 20, 2026 - 1:42am
Expires:
October 20, 2026 - 7:00am
Description:
* WHAT...Areas of dense fog reducing visibility locally near zero.
* WHERE...Lake IL and Northern Cook Counties.
* WHEN...Until 9 AM CDT this morning.
* IMPACTS...Low visibility could make driving conditions hazardous.
* ADDITIONAL DETAILS...Due to the patchy nature of the dense fog,
motorists should be prepared to encounter sudden, dramatic drops in
visibility to near zero.
Area Description:
Lake; Northern Cook
Forcast Office:
NWS Chicago IL
Sender:
w-nws.webmaster@noaa.gov