A winter weather advisory for the Chicago area is in effect through until 9 a.m. Saturday, Jan. 25, according to the National Weather Service.
Snow is expected to begin Friday evening and persist through Saturday morning, dropping 1 to 3 inches. Visibility will be reduced due to blowing snow; wind gusts up to 35 miles per hour are expected after midnight and will continue through Saturday morning.
In a separate alert, the weather service predicting a second round of accumulating snow to hit the area Saturday night into Sunday. "Dangerous cold" early next week will present additional concerns.
Bitterly cold temperatures are expected Sunday night through Tuesday night, with Monday night being the most dangerous, according to the alert.
"High temperatures will likely be at or below zero Monday and Tuesday. Minimum wind chill values of 25 to 35 below zero are expected Sunday night and Tuesday night. Monday looks to be the coldest night, with wind chills less than 35 degrees below zero."
- Friday night: low 22
- Saturday: high 22, low 0
- Sunday: high 28, low -5
- Monday: high 1, low -19
- Tuesday: high -3, low -9
- Wednesday: high 15, low 5
- Thursday: high 16, low 7
- Friday: high 20, low 9
Frostbite and hypothermia can occur in a matter of minutes, and exposure is believed to have been the cause of 15 Chicago area deaths so far this winter, according to the Huffington Post.