HIGH: 40
LOW: STEADY
* Becoming very windy! Powerful southerly 40 m.p.h. gusts propel temperatures higher.
* High temperatures more than 20 degrees above Friday afternoon’s teens!
* Extensive cloudiness lowers and thickens.
* Sprinkles or brief showers possible this afternoon.
* Cloudy Saturday night, very windy and considerably milder. Scattered showers or sprinkles at times.
* South winds overnight 16-36 m.p.h. with gusts.
DEC. 13 TEMPERATURES
Normal high/low: 35(degrees)/21(degrees)
Record high: 67(degrees) (1975)
Record low: -13(degrees) (1903)
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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
