Headline:
Dense Fog Advisory issued September 17 at 10:48AM CDT until September 17 at 3:00PM CDT by NWS Chicago IL
Event:
Dense Fog Advisory
Urgency:
Expected
Effective:
September 17, 2026 - 8:48am
Expires:
September 17, 2026 - 1:00pm
Description:
* WHAT...Dense fog will reduce visibility to less than 1 mile at
times into this afternoon.
* WHERE...Winthrop Harbor to Wilmette Harbor IL.
* WHEN...Until 3 PM CDT this afternoon.
* IMPACTS...Low visibility will make navigation difficult.
Instruction:
If you must navigate, proceed with caution. Use proper fog
signals. Make sure all running lights are on. Remember to use
your radar and compass.
Area Description:
Winthrop Harbor to Wilmette Harbor IL
Forcast Office:
NWS Chicago IL
Sender:
w-nws.webmaster@noaa.gov