Green Bay, Wis. – Drivers across central and eastern Wisconsin are waking up to patchy dense fog this morning, making early travel hazardous in several counties from Vilas to Calumet.
According to the National Weather Service in Green Bay, fog developed before dawn Sunday and is expected to linger until around 8 a.m. Visibility may drop sharply at times in areas including Marathon, Outagamie, Wood, and Waupaca counties.
Roads like U.S. Highway 51 near Wausau and stretches of I-41 near Appleton could see especially limited visibility. Motorists are urged to slow down, use low-beam headlights, and leave extra space between vehicles.
The fog is impacting early-morning commuters and anyone heading to church or weekend events. Those traveling between Green Bay, Oshkosh, and Stevens Point should allow extra time and stay alert for sudden visibility changes.
Conditions are expected to improve after 8 a.m., but drivers should remain cautious in low-lying or rural areas where fog tends to linger. More localized weather updates may follow if conditions worsen.
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