Chicago weather: Lake-effect snow could make for messy commutes FridayCHICAGO (WLS) -- ABC7 meteorologists are keeping an eye on the next round of lake-effect snow forecast to impact parts of the Friday morning and afternoon commutes. Starting at 5 a.m. a band of snow will begin to set up to over Lake Michigan. A Winter Weather Advisory will take effect for Cook, DuPage, Lake counties starting Friday at 9 a.m. until 3 p.m.Winter Storm Watch will take effect for Porter County and Lake County (Ind.) A person rides a bicycle through blowing snow, Wednesday, Jan. 14, 2026, in Evanston, Ill., a suburb of Chicago. Some areas could even near 1 foot of snow, especially along the North Carolina coast where the heavy snow may last longer.