Arlington Heights Weather Forecast: Temperature Drop Overnight Low -8; Weekend “Warmup” Then Monday-Tuesday Low of -18 (Wind Chill -42)

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Chicagoland weather radar [LIVE RADAR] shows that snow bands heading south are thinning out. Radar images indicate snow is east of Arlington Heights, east of St. Charles and east of Aurora at 12:17 PM. Forecast model indicates another 0.8 inch, but radar indicates snow is about done Arlington Heights.

The big weather story now is blowing and drifting snow and severe cold as clouds cear away to let heat escape overnight. Skies should be mostly clear by midnight while winds will blow from the northwest at about 15 MPH and down to 6 MPH at about 6:00 AM Friday. Gusty winds of up to 21 MPH will blow dry snow off rooftops onto pedestrians and across roadways.

The temperature is already dropping after a daylight high of 19 degrees at 9:51 AM (“After midnight high” was 21 degrees). It was 16 degrees at 11:51 AM.

Temperature Forecast:
8 degrees at 6:00 p.m. (Wind Chill -8)
3 degrees at 9:00 p.m. (Wind Chill -13)
-1 degree at midnight (Wind Chill -17)
-5 degrees at 3:00 a.m. (Wind Chill -20)
-8 degrees at 6:00 a.m. (Wind Chill -21)

Counties west of Cook, Lake, DuPage, and Will already have a Wind Chill Advisory, which includes communities of Crystal Lake, De Kalb, Elgin, Marengo, Rockford, St Charles, Woodstock.

 Brutal COLD Coming … 

Temperature warms up a little Friday, but another more prolonged cold blast will invade Sunday/Monday overnight. Monday/Tuesday overnight will be even colder with a low at 5:00 a.m. Tuesday at -18 degrees with a Wind Chill of -42 degrees (Wind Gusts 21 MPH).

Meteorologist Tom Skilling alert!

TODAY Sunrise: 7:20 AM Sunset: 4:31 PM
This Afternoon Snow showers, mainly before 3pm. The snow could be heavy at times. High near 19. Wind chill values as low as -5. North wind around 15 mph, with gusts as high as 20 mph. Chance of precipitation is 100%. Total daytime snow accumulation of 3 to 5 inches possible.

Tonight
Partly cloudy, with a low around -8. Wind chill values as low as -20. North northwest wind 5 to 15 mph, with gusts as high as 20 mph.

Friday
Mostly sunny, with a high near 12. Wind chill values as low as -21. Breezy, with a west wind 5 to 10 mph becoming south southwest 15 to 20 mph in the afternoon. Winds could gust as high as 30 mph.

Friday Night
Partly cloudy, with a low around 12. Wind chill values as low as -7. Breezy, with a south southwest wind 20 to 25 mph, with gusts as high as 35 mph.

Saturday
A 40 percent chance of snow, mainly after noon. Mostly cloudy, with a high near 29. Breezy, with a south southwest wind 20 to 25 mph becoming west northwest 10 to 15 mph in the afternoon. Winds could gust as high as 35 mph.

Saturday Night
A 50 percent chance of snow. Cloudy, with a low around 13.

Sunday
A 30 percent chance of snow. Mostly cloudy, with a high near 14.

Sunday Night
Mostly cloudy, with a low around -8.

Monday
Partly sunny and cold, with a high near -7.

Monday Night
Mostly cloudy, with a low around -18.

Tuesday
Mostly sunny and cold, with a high near -3.

Tuesday Night
Partly cloudy, with a low around -11.

Wednesday
A slight chance of snow. Partly sunny, with a high near 14.

LIVE RADAR | STORM TRACKS | CLOUDS INFRARED SAT | CLOUDS VISIBLE SAT (during daylight)

WunderMap® with Temperature/Wind Data || Google: Arlington Heights Temps | NE Illinois Temps

Full Screen Motion Weather Radar (Wunderground.com)

Midwest Cloud Cover with Arlington Heights Weather Forecast

SUNLIGHT DATA FOR SECURITY, TRAFFIC SAFETY, AND SPORTS
SunCalc.net data with solar azimuth and trajectory, times for dawn, sunrise, solar noon, sunset, dusk …


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