Arlington Heights Weather Forecast: High 20 Friday, Rising Temps With Deep, Wet Snow Overnight And Saturday

Chicagoland weather radar shows an area of snow moving west to east along a line south of Galesburg, Pontiac, and Kankakee.

Snow is expected to gradually push north. The snow we are about to receive is not another of the Alberta Clippers that we have been hit with week after week. We're about to experience a good old-fashioned Low Pressure hook, which will mean heavy, wet snow, and ice and rain just to the south of the heavy snow line.

Snow is likely to start in Arlington Heights and the northwest suburbs some time between 6:00 p.m. and 10 p.m. Friday with the heavier snow and faster accumulation after midnight. The forecast calls for about 2.0 inches by 7:00 a.m. Saturday morning and a final total of 6.2 inches by 6:00 p.m. Saturday. The approaching system could track further north, which could bring heavier snow to the northwest suburbs -- in the neighborhood of 6-8 inches. The shift would also bring a larger area of freezing rain and winter mix to the south and southwest suburbs of Chicago. Ice accumulation is expected to be less than one-half inch in the south suburbs. Stay tuned as the day progresses to see if the National Weather service issues a Winter Storm Warning. Winter Storm Warnings are issued when 7+ inches of snow are expected to fall in a 24-hour period. Winter Storm Warnings are also issued when a dangerous combination of heavy snow, with sleet and/or freezing rain, are forecast to occur within the upcoming 12 hours.

Satellite images show that much of Illinois is under clouds, which keeps temperatures steady at this time.

Mostly cloudy conditions are forecast to continue today and Saturday with clearing after 7:00 p.m. Saturday, along with a temperature drop -- 26 degree at 4:00 p.m. down to 4 degrees at 7:00 a.m. Sunday.

Wind gusts of 17-20 MPH from the north and northwest are forecast from 11:00 a.m. to midnight late Saturday.

Sunrise: 7:05 AM Sunset: 5:05 PM
A 20 percent chance of snow after noon. Cloudy, with a high near 21. Wind chill values as low as 1. Northwest wind around 5 mph becoming calm in the afternoon.

Snow, mainly after 9pm. Low around 17. Light northeast wind increasing to 5 to 10 mph in the evening. Chance of precipitation is 80%. New snow accumulation of 1 to 3 inches possible.

Snow. High near 27. Northeast wind 10 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 100%. New snow accumulation of 3 to 5 inches possible.

Saturday Night
Mostly cloudy, with a low around 4. Wind chill values as low as -10. West northwest wind 10 to 15 mph, with gusts as high as 20 mph.

Sunday Mostly sunny, with a high near 15. West northwest wind around 10 mph.
Sunday Night Mostly clear, with a low around -5.

Sunny, with a high near 17.

Monday Night
Mostly cloudy, with a low around 5.

Tuesday Snow likely. Cloudy, with a high near 22.

Tuesday Night
Snow likely. Cloudy, with a low around 15.

A slight chance of snow. Mostly cloudy, with a high near 19.

Wednesday Night
Mostly cloudy, with a low around -5.

Mostly sunny and cold, with a high near 6.

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