Headline:
Dense Smoke Advisory issued July 17 at 3:52AM CDT until July 17 at 4:00PM CDT by NWS Chicago IL
Event:
Dense Smoke Advisory
Urgency:
Expected
Effective:
July 17, 2026 - 1:52am
Expires:
July 17, 2026 - 10:00am
Description:
* WHAT...Visibilities as low as 1/2 NM in dense smoke occurring.
* WHERE...Winthrop Harbor to Wilmette Harbor IL, Wilmette Harbor
to Northerly Island IL, Northerly Island to Calumet Harbor IL,
Calumet Harbor IL to Gary IN, Gary to Burns Harbor IN and
Burns Harbor to Michigan City IN.
* WHEN...Until 4 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; Wilmette Harbor to Northerly Island IL; Northerly Island to Calumet Harbor IL; Calumet Harbor IL to Gary IN; Gary to Burns Harbor IN; Burns Harbor to Michigan City IN
Forcast Office:
NWS Chicago IL
Sender: