UPDATE: Steady, light rain has moved into the area and the NWS hourly outlook forecasts an increase in snow compared to the forecast earlier this morning … 0.6 inch of snow possible by 3:00 p.m. for Arlington Heights.
Chicagoland weather radar shows mixed precipitation just over the Illinois-Wisconsin border. Random stations checked are reporting light rain or overcast skie in western Wisconsin, where the radar indicates possible mixed freezing precipitation.
Satellite images show clouds over most of the Midwest. Clouds are expected to gradually decrease after 2:00 p.m. with a light rain period from 9:00 a.m. to 2:00 p.m. ending with snow showers from 2:00 p.m. until 4:00 p.m. Snow accumulation is forecast to be less than .25 inch in Arlington Heights. The 4-inch soild temperature is 45 degrees, so no lasting accumulation is expected. Bridge decks might be slippery however with some accumulation and slick spots.
Steady northwest winds up to 15 mph today and overnight — gusting up to 25 mph.
Temperatures falling throughout the day. The wind chill tonight is expected to be 11 degrees at 5:00 a.m.
A cold front heading south from Minnesota and Wisconsin into Illinois is bringing an unseasonably cold air mass.
TODAY Sunrise: 6:37 AM Sunset: 4:34 PM
Rain and snow showers before 3pm, then a chance of snow showers between 3pm and 4pm. Temperature falling to around 31 by 5pm. North northwest wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 80%. Total daytime snow accumulation of less than a half inch possible.
Tonight
Mostly cloudy, then gradually becoming mostly clear, with a low around 23. North northwest wind around 15 mph, with gusts as high as 20 mph.
Tuesday
Sunny, with a high near 32. North northwest wind 10 to 15 mph, with gusts as high as 20 mph.
Tuesday Night
Mostly clear, with a low around 21. West wind 5 to 10 mph.
Wednesday
Sunny, with a high near 38. Southwest wind 5 to 15 mph, with gusts as high as 25 mph.
Wednesday Night
Mostly clear, with a low around 27.
Thursday
Mostly sunny, with a high near 43.
Thursday Night
A slight chance of rain and snow showers. Mostly cloudy, with a low around 34.
Friday
A slight chance of showers. Mostly cloudy, with a high near 46.
Friday Night
Partly cloudy, with a low around 35.
Saturday
A slight chance of showers. Partly sunny, with a high near 51.
Saturday Night
A chance of showers. Cloudy, with a low around 43.
Sunday
A chance of showers. Mostly cloudy, with a high near 57.
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