# HEADLINE
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DENSE FOG ADVISORY IN EFFECT UNTIL 9 AM CDT FRIDAY
# DETAILS
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WHAT
Visibility one quarter mile or less in dense fog. The most widespread dense fog will be overnight into early Friday morning.
WHERE
Portions of east central, north central, and northeast Wisconsin.
WHEN
Until 9 AM CDT Friday.
IMPACTS
Low visibility could make driving conditions hazardous.
ADDITIONAL DETAILS
Low clouds are beginning to transition to areas of fog. The fog is expected to expand and become dense overnight into early Friday morning. The morning commute on Friday will be impacted.
ISSUED AT
Thursday, October 22, 2026 at 8:11 PM CDT
ISSUED BY
National Weather Service Green Bay WI
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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Kewaunee, Northern Oconto County, Southern Oconto County, Brown, Calumet, Door, Florence, Forest, Langlade, Manitowoc, Menominee, Northern Marinette County, Outagamie, Shawano, Southern Marinette County, Waupaca, Winnebago
Including the cities of Chilton, Crivitz, New London, Clintonville, Fish Creek, Oshkosh, High Falls Reservoir, Little Suamico, Brookside, Aurora, Niagara, Waupaca, Green Bay, Commonwealth, Antigo, Sister Bay, Neenah, Porterfield, Kewaunee, Two Rivers, Appleton, Peshtigo, Oconto, Sobieski, Keshena, Townsend, Luxemburg, Harmony, Lakewood, Spread Eagle, Loomis, Manitowoc, Shawano, Sturgeon Bay, Mountain, Menasha, Middle Inlet, Neopit, Brillion, Crandon, New Holstein, Pensaukee, and Wausaukee
