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Dense Fog Advisory

Status

New Event Active alert

Start Time

Fri 10/23/2026 12:00 AM EDT

End Time

Fri 10/23/2026 09:00 AM EDT

Significance

Advisory

Impacts

Low impact

Locations Affected

Norway, MI ∙ K. I. Sawyer, MI ∙ Big Bay de Noc, MI ∙ Grand Marais, MI ∙ Keweenaw Bay, MI ∙ Ishpeming, MI ∙ Cornell, MI ∙ Abbaye Peninsula, MI ∙ Northland, MI ∙ Laughing Fish Point, MI

Full Alert Message

URGENT - WEATHER MESSAGE National Weather Service Marquette MI 237 PM EDT Thu Oct 22 2026 ...DENSE FOG ADVISORY IN EFFECT FROM MIDNIGHT EDT /11 PM CDT/ TONIGHT TO 9 AM EDT /8 AM CDT/ FRIDAY... * WHAT...Visibility 1/4 mile or less in dense fog. * WHERE...Alger, Baraga, Delta, Dickinson, Iron, Marquette, and Menominee Counties. * WHEN...From midnight EDT /11 PM CDT/ tonight to 9 AM EDT /8 AM CDT/ Friday. * IMPACTS...Low visibility could make driving conditions hazardous. * ADDITIONAL DETAILS...Areas along the Lake Superior shoreline can expect less in the way of fog tonight due to light, southerly downslope flow. Be prepared for rapidly changing conditions if you are headed inland. PRECAUTIONARY/PREPAREDNESS ACTIONS... If driving, slow down, use your headlights, and leave plenty of distance ahead of you.

Technical Header

MIZ004>006-010>013-230300- /O.NEW.KMQT.FG.Y.0015.261023T0400Z-261023T1300Z/ Baraga-Marquette-Alger-Iron-Dickinson-Menominee-Delta- Including the cities of Marquette, Munising, Iron River, Escanaba, L'Anse, Gwinn, Grand Marais, Iron Mountain, Gladstone, and Menominee 237 PM EDT Thu Oct 22 2026 /137 PM CDT Thu Oct 22 2026/