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Arlington Heights, Illinois Weather Forecast
Arlington Heights, Illinois Weather
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Weather Forecast for Arlington Heights, Illinois : Cook County
Issued: 9:46 am CST Dec 29, 2025 Latitude: 42.0883603 Longitude: -87.9806265 View on Google Maps

MouseOver for Detail Forecast
Today Tonight Tuesday Wednesday New Year's Day Friday Saturday Sunday
20% chance of snow on Today Partly Cloudy on Tonight 20% chance of snow on Tuesday 50% chance of snow on Wednesday Mostly Sunny on New Year's Day Partly Sunny on Friday Mostly Sunny on Saturday Partly Sunny on Sunday
High: 22°F Low: 15°F High: 28°F High: 32°F High: 19°F High: 24°F High: 27°F High: 29°F
Low: 24°F Low: 9°F Low: 11°F Low: 14°F Low: 16°F  
Snow Partly Cloudy Snow Snow Mostly Sunny Partly Sunny Mostly Sunny Partly Sunny
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Current Conditions at
CHICAGO/WHEELING - (KPWK)
21°
Feels like 7°F
Cloudy
as of 8:52 AM CST
Rel. Humidity: 79%
Dew Point: 16°F
Visibility: 10 Miles
Pressure: 29.87 in.
Flight Rule: MVFR
Wind Data
16 MPH
Gust: 32 MPH
310° Northwest
Cloud Level(s): Solid Overcast at 2000ft
Current Conditions at
CHICAGO-OHARE - (KORD)
19°
Feels like 2°F
Cloudy
Light Snow
as of 8:51 AM CST
Rel. Humidity: 73%
Dew Point: 12°F
Visibility: 8 Miles
Pressure: 29.86 in.
Flight Rule: MVFR
Wind Data
23 MPH
Gust: 38 MPH
280° West
Cloud Level(s): Solid Overcast at 2000ft
Current Conditions at
WEST CHICAGO - (KDPA)
18°
Feels like 0°F
Cloudy
Unknown Precip
as of 8:52 AM CST
Rel. Humidity: 78%
Dew Point: 12°F
Visibility: 4 Miles
Pressure: 29.90 in.
Flight Rule: MVFR
Wind Data
22 MPH
Gust: 30 MPH
280° West
Cloud Level(s): Solid Overcast at 2000ft
Current Conditions at
WAUKEGAN - (KUGN)
25°
Feels like 11°F
Cloudy
as of 8:51 AM CST
Rel. Humidity: 73%
Dew Point: 18°F
Visibility: 10 Miles
Pressure: 29.81 in.
Flight Rule: MVFR
Wind Data
16 MPH
Gust: 29 MPH
290° West
Cloud Level(s): Broken at 2300ft, Solid Overcast at 2900ft
20% chance of snow Today Today... A chance of flurries with a slight chance of snow before 10am, then a chance of flurries after 10am. Cloudy, with a high near 22. Windy, with a northwest wind 20 to 30 mph, with gusts as high as 40 mph. Chance of precipitation is 20%.
Partly Cloudy on Tonight Tonight... Cloudy, then gradually becoming partly cloudy, with a low around 15. Northwest wind 10 to 15 mph, with gusts as high as 30 mph.
20% chance of snow Tuesday Tuesday... A 20 percent chance of snow after noon. Increasing clouds, with a high near 28. West wind 10 to 15 mph, with gusts as high as 20 mph.
Mostly Cloudy on Tuesday Night Tuesday Night... Mostly cloudy, with a low around 24. West northwest wind 10 to 15 mph, with gusts as high as 20 mph.
50% chance of snow Wednesday Wednesday... A 50 percent chance of snow after noon. Cloudy, with a high near 32. Northwest wind around 15 mph, with gusts as high as 25 mph.
20% chance of snow Wednesday Night Wednesday Night... A 20 percent chance of snow before midnight. Partly cloudy, with a low around 9.
Mostly Sunny on New Year's Day New Year's Day... Mostly sunny, with a high near 19.
Cloudy on Thursday Night Thursday Night... Partly cloudy, with a low around 11.
Partly Sunny on Friday Friday... Partly sunny, with a high near 24.
Mostly Cloudy on Friday Night Friday Night... Mostly cloudy, with a low around 14.
Mostly Sunny on Saturday Saturday... Mostly sunny, with a high near 27.
Mostly Cloudy on Saturday Night Saturday Night... Mostly cloudy, with a low around 16.
Partly Sunny on Sunday Sunday... Partly sunny, with a high near 29.
Current Radar Image


Sun Almanac for Arlington Heights, Illinois
Sunrise: 07:20 AM
Sunset: 4:28 PM
Civil Sunrise:06:48 AM
Civil Sunset: 5:00 PM
Nautical Sunrise: 06:13 AM
Nautical Sunset: 5:35 PM
Astro Sunrise: 05:39 AM
Astro Sunset: 6:09 PM
Any use of the information on this page is at your own risk. This information should not be relied upon in life-threatening situations, potential financial loss situations or in lieu of any officially disseminated information. Visit the National Weather Service for official information.