HIGH: 56
LOW: 40
* Scattered lake-effect rain showers along sections of the Illinois, Wisconsin and Indiana shorelines.
* The lake-effect setup begins to break down later this morning and afternoon.
* A sun-cloud mix across the metro area.
* Winds become more northeasterly in the afternoon at 6 to 16 m.p.h.
* Chilly Tuesday night, frost possible inland. Chilliest readings: Low/mid-30s well inland. Clearing, but scattered clouds linger near the lake.
OCT. 21 TEMPERATURES
Normal high/low: 60(degrees)/40(degrees)
Record high: 87(degrees) (1953)
Record low: 26(degrees) (1952)
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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
