⚠️ Dense Fog Advisory – Adams; Brown; Pike; Knox; Lewis; Shelby; Marion; Monroe; Ralls; Pike; Audrain – Thursday, September 10, 2026

Dense Fog Advisory issued September 10 at 9:56PM CDT until September 11 at 10:00AM CDT by NWS St Louis MO

Details

* WHAT…Visibility one quarter to one half mile in dense fog.

* WHERE…Portions of west central Illinois and central and northeast
Missouri.

* WHEN…Until 10 AM CDT Friday.

* IMPACTS…Low visibility could make driving conditions hazardous.

Instructions

If driving, slow down, use your headlights, and leave plenty of
distance ahead of you.

This alert was automatically posted by SkyGuard, MWSC’s severe weather alerting system. Source: National Weather Service.