< Wisconsin Dense Fog Advisory | Effective 04/15/2026 01:23

Wisconsin Dense Fog Advisory | Effective 04/15/2026 01:23

Headline: 
Dense Fog Advisory issued April 15 at 3:23AM CDT until April 15 at 9:00AM CDT by NWS Milwaukee/Sullivan WI
Event: 
Dense Fog Advisory
Urgency: 
Expected
Effective: 
April 15, 2026 - 1:23am
Expires: 
April 15, 2026 - 7:00am
Description: 
* WHAT...Visibility one half mile or less in dense fog. * WHERE...Columbia, Green Lake, Marquette, and Sauk Counties. * 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: 
Marquette; Green Lake; Sauk; Columbia
Forcast Office: 
NWS Milwaukee/Sullivan WI