🟡 Moderate

Dense Fog Advisory

Marquette; Green Lake; Fond Du Lac; Sauk; Columbia; Dodge; Washington; Dane; Jefferson; Waukesha; Rock; Walworth

Dense Fog Advisory issued March 5 at 11:10PM CST until March 6 at 9:00AM CST by NWS Milwaukee/Sullivan WI

Alert Description

* WHAT...Visibility one quarter mile or less in dense fog. * WHERE...Portions of east central, south central, and southeast Wisconsin. * WHEN...Until 9 AM CST Friday. * IMPACTS...Low visibility could make driving conditions hazardous.

Safety Instructions

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

Time Information

Effective

Mar 6, 2026, 5:10 AM

Expires

Mar 6, 2026, 1:15 PM

Issued

Mar 6, 2026, 5:10 AM

Alert Details

Severity

Moderate

Urgency

Expected

Certainty

Likely

Issued By

NWS Milwaukee/Sullivan WI

National Weather Service