HIGH: 9
LOW: Steady or rising at night
* A mostly sunny but frigid morning with subzero readings and dangerous windchills around 20 below zero over much of the area.
* West winds diminish, and temperatures slowly rise.
* In the afternoon, clouds will slowly increase and winds will turn southwest 8 to 12 m.p.h. With temperatures approaching 10 degrees and lighter winds, afternoon windchills will be around zero.
* Readings will continue to rise slowly tonight; a chance of snow after midnight.
DEC. 22 TEMPERATURES
Normal high/low: 32(degrees)/18(degrees)
Record high: 57(degrees) (1957)
Record low: -21(degrees) (1872)
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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
