A winter weather advisory has been issued for parts of the Chicago area and Indiana on Friday evening.
The National Weather Service issued the warning for the following counties: Cook, DuPage, DeKalb, Grundy, Kane, Kankakee, Kendall, La Salle, Lake, Will, Jasper, IN, Newton, IN.
Residents should be wary of icy roads, bridges and overpasses, officials warned. Conditions could improve Saturday as temperatures increase.
With air temperatures already falling below zero, wind chill values reached into the double-digit negatives on Friday.
Several counties, including McHeny, DeKalb, Kane, LaSalle, Kendall, Grundy, Kankakee and Will, were under a wind chill advisory until 9 a.m. Friday, warning of values dropping as low as 25 degrees below zero.
DeKalb reported values as low as -23, West Chicago dropped to -21, Morris also saw wind chills at -21.
"The cold wind chills could cause frostbite on exposed skin in as few as 30 minutes," the advisory warned.
Residents were urged to bundle up and to spend as little time outdoors as possible.
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There is some temperature relief on the horizon, with highs rebounding into the 30s on Saturday and Sunday. That will come at a price however, as mixed precipitation and rain are expected to arrive on Saturday evening.
Once that weather system moves out, the Chicago area will have one more day of well-below-average temperatures to deal with, as highs will once again be in the teens on Monday, but then temps will slowly begin to warm up, likely reaching back into the 30s by Wednesday.
