Dense fog advisory issued for northern Illinois through Wednesday morning

Wednesday morning commuters in La Salle, Kendall, Grundy, McHenry, Whiteside, Bureau, Putnam, DeKalb, Lee, Kane and Will counties, along the Interstate 80 and 88 corridors, may be met with foggy conditions, as a dense fog advisory has been issued to 10 a.m. Wednesday.

Visibility may be limited to a quarter mile or less. Drivers must use their headlights when driving in the fog, according to Illinois state law.

Dense fog is expected to develop throughout the afternoon and continue through Wednesday morning, according to the National Weather Service in Chicago.

There may be some lingering slick spots, particularly on back roads and any untreated roadways.

Rain showers were expected to return late Tuesday night into Wednesday with a few additional rain chances through the end of the week, the National Weather Service said.