# HEADLINE
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DENSE FOG ADVISORY NOW IN EFFECT UNTIL 10 AM EDT /9 AM CDT/ FRIDAY
# DETAILS
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WHAT
Visibility 1/4 mile or less in dense fog.
WHERE
Alger, Baraga, Delta, Dickinson, Iron, Marquette, and Menominee Counties.
WHEN
Until 10 AM EDT /9 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.
ISSUED AT
Thursday, October 22, 2026 at 9:17 PM EDT
ISSUED BY
National Weather Service Marquette MI
HEADER
URGENT - WEATHER MESSAGE
# PRECAUTIONARY/PREPAREDNESS ACTIONS
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If driving, slow down, use your headlights, and leave plenty of distance ahead of you.
# AREAS AFFECTED
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Alger, Baraga, Delta, Dickinson, Iron, Marquette, Menominee
Including the cities of Iron River, Munising, Iron Mountain, Menominee, Grand Marais, L'Anse, Gladstone, Marquette, Escanaba, and Gwinn
