Dense Fog Advisory 06/07/2025 01:26 for Illinois, Missouri areas

Headline: 
Dense Fog Advisory issued June 7 at 3:26AM CDT until June 7 at 9:00AM CDT by NWS St Louis MO
Event: 
Dense Fog Advisory
Urgency: 
Expected
Effective: 
June 7, 2025 - 1:26am
Expires: 
June 7, 2025 - 7:00am
Description: 
* WHAT...Visibility one quarter mile or less in dense fog. * WHERE...Portions of south central and southwest Illinois and central and east central 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: 
Greene; Macoupin; Montgomery; Bond; Fayette; Calhoun; Jersey; Madison; St. Clair; Monroe; Boone; Audrain; Moniteau; Cole; Osage; Callaway; Montgomery; Lincoln; Gasconade; Warren; St. Charles; Franklin; St. Louis; St. Louis City; Jefferson; Crawford; Washington
Forcast Office: 
NWS St Louis MO