Michigan Dense Fog Advisory | Effective 04/15/2026 17:04

Headline: 
Dense Fog Advisory issued April 15 at 8:04PM EDT until April 16 at 10:00AM EDT by NWS Marquette MI
Event: 
Dense Fog Advisory
Urgency: 
Expected
Effective: 
April 15, 2026 - 5:04pm
Expires: 
April 16, 2026 - 7:00am
Description: 
* WHAT...Visibility 1/4 mile or less in dense fog. * WHERE...Portions of central Upper and western Upper Michigan. * WHEN...Until 10 AM EDT /9 AM CDT/ Thursday. * 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: 
Keweenaw; Ontonagon; Houghton; Baraga; Marquette; Alger; Luce; Gogebic; Iron; Dickinson; Menominee; Delta; Southern Schoolcraft; Southern Houghton; Northern Schoolcraft
Forcast Office: 
NWS Marquette MI
Sender: 
w-nws.webmaster@noaa.gov