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Dense Fog Advisory

Status

Event Continued Active alert

Start Time

Tue 09/01/2026 04:38 AM EDT

End Time

Tue 09/01/2026 09:00 AM EDT

Significance

Advisory

Impacts

Low impact

Locations Affected

Fourteen Mile Point, MI ∙ Calumet, MI ∙ Channing, MI ∙ Northland, MI ∙ Laughing Fish Point, MI ∙ Germfask, MI ∙ Freda, MI ∙ Allouez, MI ∙ Point Isabelle, MI ∙ Trowbridge Park, MI

Full Alert Message

URGENT - WEATHER MESSAGE National Weather Service Marquette MI 338 AM CDT Tue Sep 1 2026 ...DENSE FOG ADVISORY REMAINS IN EFFECT UNTIL 9 AM EDT /8 AM CDT/ THIS MORNING... * WHAT...Visibility 1/4 mile or less in dense fog. * WHERE...Portions of central Upper and western Upper Michigan. * WHEN...Until 9 AM EDT /8 AM CDT/ this morning. * IMPACTS...Low visibility could make driving conditions hazardous. * ADDITIONAL DETAILS...Areas in the lower elevations, particularly along the Lake Superior shoreline, may not experience dense fog. Be prepared for changing conditions as you head inland. PRECAUTIONARY/PREPAREDNESS ACTIONS... If driving, slow down, use your headlights, and leave plenty of distance ahead of you.

Technical Header

MIZ001>007-009>011-013-014-084-085-011300- /O.CON.KMQT.FG.Y.0013.000000T0000Z-260901T1300Z/ Keweenaw-Ontonagon-Northern Houghton-Baraga-Marquette-Alger-Luce- Gogebic-Iron-Dickinson-Delta-Southern Schoolcraft-Southern Houghton-Northern Schoolcraft- Including the cities of Seney, Sidnaw, Iron Mountain, Gwinn, Iron River, L'Anse, Gladstone, Grand Marais, Escanaba, Marquette, Kenton, Manistique, Ironwood, Ontonagon, Houghton, Hancock, Copper Harbor, Newberry, and Munising 438 AM EDT Tue Sep 1 2026 /338 AM CDT Tue Sep 1 2026/