Chicago: Generous sunshine. Increasing southerly winds boost daytime highs to 40(degrees) or higher for only the fourth time this month. A typical December sees 10 days at or above 40(degrees). Increasing cloudiness late Tuesday night. Not as chilly. Nighttime lows 10(degrees) above normal.
HIGH: 40
LOW: 28
14(degrees) WARMER THAN MONDAY; 8(degrees) ABOVE NORMAL
Note: Predicted high and low temperatures on the Tribune weather page are chronological–the “high” refers to the maximum reading expected during the day and the “low” is the minimum reading expected the following night.
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Tom Skilling is chief meteorologist at WGN-TV. His forecasts can be seen Monday through Friday on WGN-TV News at noon and 9 p.m.
WGN-TV meteorologists Steve Kahn, Richard Koeneman and Paul Dailey plus weather producer Bill Snyder contribute to this page.




