HIGH: 30
LOW: 19
* Winter-storm warning north of Interstate Highway 80; ice-storm warning for the south suburbs.
* Snow, heavy at times, mixes with sleet and possible thunder until late morning roughly from I-80 northward.
* Freezing rain changes to rain in far south suburbs.
* Totals of 6 to 14 inches from I-88 north to the Wisconsin border; 1 to 6 inches from I-80 to I-88; mainly ice to the south.
* Afternoon snow showers diminish to flurries tonight.
DEC. 19 TEMPERATURES
Normal high/low: 33(degrees)/19(degrees)
Record high: 64(degrees) (1877)
Record low: -14(degrees) (1983)
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Weather Report is prepared by the WGN-TV Weather Center, where Tom Skilling is chief meteorologist. His forecasts can be seen Monday through Friday on WGN News at 11:30 a.m., 5:30 p.m. and 9 p.m.
WGN-TV meteorologists Steve Kahn, Richard Koeneman and Paul Dailey plus weather producer Bill Snyder contribute to this page.
IN THE WEB EDITION: For updated weather news, forecasts by ZIP code and local radar images, go to chicagotribune.com/weather or wgntv.com
