Sabrina Ullman: Pleasant start to week, cold starting Thursday.
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Our mild weather will continue for the next few days. Overnight lows will be in the upper forties close to the lake and in the fifties elsewhere.
A few passing showers are possible tonight, Monday, and Tuesday, but there will be minimal, if any, accumulation.
Afternoon highs will be close to 70 degrees on Monday. Tuesday and Wednesday will be slightly cooler, but temperatures stay 5-15 degrees above average until Thursday.
A cold front early Thursday will have temperatures drop to the forties, with overnight lows below freezing. Cooler weather will prevail for the remainder of the week.
Rain is likely Wednesday, lasting into Thursday. There is a slight chance of our first snow accumulation of the season on Thursday morning for the northern portions of St. Louis, Lake, and Cook Counties.
Our week starts mild before cold air moves in Thursday.
Tonight
A slight chance of showers before 9pm, then a chance of sprinkles between 9pm and 11pm, then a slight chance of showers after 11pm. Mostly cloudy, with a low around 49. Southeast wind around 5 mph. Chance of precipitation is 20%.
Monday
Partly sunny, with a high near 69. South wind 5 to 10 mph, with gusts as high as 20 mph.
Tuesday
Mostly cloudy, with a high near 70. Southwest wind 5 to 10 mph.
Wednesday
A chance of showers and thunderstorms between 1pm and 4pm, then a chance of showers after 4pm. Partly sunny, with a high near 62. West wind 5 to 10 mph. Chance of precipitation is 40%.
Thursday
A slight chance of showers before 1pm. Partly sunny, with a high near 45. Breezy, with a north wind around 15 mph, with gusts as high as 30 mph.
Friday
Mostly sunny, with a high near 46. North wind around 5 mph.
Saturday
Mostly sunny, with a high near 50. West wind 5 to 10 mph, with gusts as high as 20 mph.
Sunday
Mostly sunny, with a high near 55. West wind 5 to 10 mph.