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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: 4:26 am CST Jan 11, 2026 Latitude: 42.0883603 Longitude: -87.9806265 View on Google Maps

MouseOver for Detail Forecast
Today Tonight Monday Tuesday Wednesday Thursday Friday Saturday
10% chance of snow on Today Cloudy on Tonight Mostly Sunny on Monday 30% chance of on Tuesday 60% chance of snow on Wednesday Partly Sunny on Thursday 20% chance of snow on Friday Mostly Cloudy on Saturday
High: 34°F Low: 27°F High: 42°F High: 48°F High: 33°F High: 28°F High: 32°F High: 26°F
Low: 33°F Low: 30°F Low: 17°F Low: 22°F Low: 19°F  
Snow Cloudy Mostly Sunny Partly Sunny Snow Partly Sunny Snow Mostly Cloudy
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Current Conditions at
CHICAGO/WHEELING - (KPWK)
25°
Feels like 12°F
Cloudy
as of 5:52 AM CST
Rel. Humidity: 73%
Dew Point: 18°F
Visibility: 10 Miles
Pressure: 30.17 in.
Flight Rule: MVFR
Wind Data
14 MPH
310° Northwest
Cloud Level(s): Solid Overcast at 2200ft
Current Conditions at
CHICAGO-OHARE - (KORD)
25°
Feels like 12°F
Cloudy
as of 5:51 AM CST
Rel. Humidity: 68%
Dew Point: 16°F
Visibility: 10 Miles
Pressure: 30.15 in.
Flight Rule: MVFR
Wind Data
14 MPH
Gust: 22 MPH
290° West
Cloud Level(s): Solid Overcast at 2400ft
Current Conditions at
WEST CHICAGO - (KDPA)
25°
Feels like 13°F
Cloudy
as of 5:52 AM CST
Rel. Humidity: 73%
Dew Point: 18°F
Visibility: 10 Miles
Pressure: 30.17 in.
Flight Rule: MVFR
Wind Data
13 MPH
Gust: 23 MPH
300° Northwest
Cloud Level(s): Solid Overcast at 2300ft
Current Conditions at
WAUKEGAN - (KUGN)
25°
Feels like 15°F
Cloudy
as of 5:51 AM CST
Rel. Humidity: 73%
Dew Point: 18°F
Visibility: 10 Miles
Pressure: 30.13 in.
Flight Rule: MVFR
Wind Data
9 MPH
Gust: 21 MPH
300° Northwest
Cloud Level(s): Solid Overcast at 2000ft
10% chance of snow Today Today... Scattered flurries with a slight chance of snow showers before 9am. Cloudy, then gradually becoming mostly sunny, with a high near 34. Breezy, with a northwest wind 15 to 20 mph decreasing to 10 to 15 mph in the afternoon. Winds could gust as high as 35 mph.
Cloudy on Tonight Tonight... Partly cloudy, with a low around 27. Southwest wind 10 to 15 mph, with gusts as high as 25 mph.
Mostly Sunny on Monday Monday... Mostly sunny, with a high near 42. West southwest wind 10 to 15 mph, with gusts as high as 20 mph.
Increasing Clouds on Monday Night Monday Night... Increasing clouds, with a low around 33. West southwest wind 5 to 10 mph, with gusts as high as 15 mph.
30% chance of Tuesday Tuesday... A 30 percent chance of showers, mainly before noon. Partly sunny, with a high near 48. West southwest wind 10 to 15 mph, with gusts as high as 25 mph.
20% chance of rain & snow Tuesday Night Tuesday Night... A slight chance of rain and snow showers after 3am. Mostly cloudy, with a low around 30. Chance of precipitation is 20%.
60% chance of snow Wednesday Wednesday... Snow showers likely. Mostly cloudy, with a high near 33. Breezy. Chance of precipitation is 60%.
20% chance of snow Wednesday Night Wednesday Night... A chance of snow showers. Mostly cloudy, with a low around 17.
Partly Sunny on Thursday Thursday... Partly sunny, with a high near 28.
20% chance of snow Thursday Night Thursday Night... A chance of snow. Mostly cloudy, with a low around 22.
20% chance of snow Friday Friday... A chance of snow showers. Cloudy, with a high near 32.
20% chance of snow Friday Night Friday Night... A chance of snow showers. Mostly cloudy, with a low around 19.
Mostly Cloudy on Saturday Saturday... Mostly cloudy, with a high near 26.
Current Radar Image


Sun Almanac for Arlington Heights, Illinois
Sunrise: 07:19 AM
Sunset: 4:41 PM
Civil Sunrise:06:48 AM
Civil Sunset: 5:12 PM
Nautical Sunrise: 06:13 AM
Nautical Sunset: 5:47 PM
Astro Sunrise: 05:40 AM
Astro Sunset: 6:20 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.