Temperatures were nearly steady in the upper 40s overnight as south winds and cloud cover held over Chicago in advance of an approaching cold front. Clouds persist and showers develop as the front moves through northeast Illinois today. Even with a wind shift to the northwest, because readings are starting out at levels around the normal high for this date, temps should continue to climb at least into the lower 60s before topping out. The front is expected to stall in central Illinois tonight, then move back north before moving on east Tuesday. This "wave action" just to the south of Chicago should result in an increased chance of rain to the metro area, especially in southernmost locations. A slight cool-down should occur later Wednesday and Thursday as the southern tip of Canadian high pressure reaches into northern Illinois. Low pressure could bring brief warming Friday, another chance of showers early Saturday, and cooler temperatures next weekend.
--By Paul Dailey, WGN Weather Center Meteorologist
WGN-TV Chief Meteorologist Tom Skilling and the WGN Weather Center staff provide daily coverage of weather in the Chicago area.
