Record high temperatures and high winds are possible Thursday, before a cold front expected to spread over Northwest Indiana tonight ices roads and sidewalks and ushers in another blast of snow.
Highs between 55 to 63 degrees were predicted Thursday in the Chicago area. Chicago's record high temperature of 61 degrees was set Jan. 11, 1880.
South-southwest winds could gust to 30 or 35 mph, according to the National Weather Service.
Temperatures were expected to begin falling by mid-evening, forecasters said.
A flash freeze was possible as a cold front moves from west to east starting in the early evening in north-central Illinois to Northwest Indiana by late Thursday or early Friday.