Dense Fog Advisory 06/17/2025 02:39 for Illinois, Missouri areas

Headline: 
Dense Fog Advisory issued June 17 at 4:39AM CDT until June 17 at 9:00AM CDT by NWS St Louis MO
Event: 
Dense Fog Advisory
Urgency: 
Expected
Effective: 
June 17, 2025 - 2:39am
Expires: 
June 17, 2025 - 7:00am
Description: 
* WHAT...Visibility as low as 1/4 mile in dense fog. * WHERE...Portions of south central and southwest Illinois and east central and southeast Missouri. * WHEN...Until 9 AM CDT 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: 
Bond; Fayette; Clinton; Marion; Washington; Randolph; Madison; St. Clair; Monroe; Jefferson; Crawford; Washington; St. Francois; Ste. Genevieve; Iron; Madison; Reynolds
Forcast Office: 
NWS St Louis MO