A cold front has swept through southern Wisconsin, blowing out the fog, but bringing in much colder weather. Low temperatures will fall to the lower 20s by morning with just a slight chance for flurries.
Behind the cold front, we'll see more clouds than sunshine on Thursday with breezy winds and much colder weather; highs will only top out in the middle 20s. Friday and Saturday will be mainly quiet with partly sunny skies on Friday and mostly sunny skies on Saturday. Highs will only reach the middle to upper teens, but overnight low temperatures will fall to the single digits on Friday morning with wind chills in the single digits below zero at times. Saturday morning will be even colder, with lows around zero, and wind chills as cold as -15 a possibility.
A winter storm will move into Wisconsin on Sunday. Skies will become mostly cloudy with light snow developing in the afternoon and continuing through Monday morning. Snow amounts will be in the 2-5" range from Sunday afternoon into early Monday morning. Highs on Sunday will be in the lower 20s.
The coldest air of the season will arrive after the storm passes, with temperatures falling from the upper teens on Monday through the teens during the day. By Tuesday morning, low temperatures will be near -10, but wid chills could fall to as low as -30. Tuesday will be partly sunny with some flurries and highs only reaching the single digits. Wednesday will remain bitterly cold with temperatures starting in the teens below zero and ending the day in the lower teens above zero. Wind chills will be as cold as -35 Wednesday morning.
OVERNIGHT: Mostly cloudy, breezy, and much colder with a slight chance for flurries. Low: 22 Wind: W/NW 10-20 MPH
THURSDAY: Variable cloudiness, breezy, and much colder. High: 26 Wind: W/NW 10-20 MPH
THURSDAY NIGHT: Partly cloudy and very cold. Low: 5; Wind Chills: 0 to -10 by morning Wind: NW 8-15 MPH
FRIDAY: Partly sunny, breezy, and very cold. High: 16 Wind: NW 10-20 MPH
SATURDAY: Mostly sunny and continued very cold. Low: 0; Wind Chills: 0 to -15 early High: 17
SUNDAY: Becoming mostly cloudy, breezy, and not as cold with light snow developing in the afternoon; accumulation of 2-5” is possible at night. Low: 5 High: 23
MONDAY: Mostly cloudy with light snow and flurries ending, then becoming partly sunny, windy, and much colder. Low: 16 High: 18 early; temperatures steady/slowly falling through the teens during the day
TUESDAY: Partly sunny, breezy, and bitterly cold with a few flurries possible. Low: -8; Wind Chills: -15 to -30 in the morning High: 5; Wind Chills: -5 to -20 during the day
WEDNESDAY: Partly sunny, breezy, and continued bitterly cold. Low: -12; Wind Chills: -20 to -35 early High: 12