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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: 7:51 pm CST Jan 11, 2026 Latitude: 42.0883603 Longitude: -87.9806265 View on Google Maps

MouseOver for Detail Forecast
Tonight Monday Tuesday Wednesday Thursday Friday Saturday Sunday
Partly Cloudy on Tonight Mostly Sunny on Monday 30% chance of rain on Tuesday 70% chance of rain & snow on Wednesday Partly Sunny on Thursday 20% chance of snow on Friday 20% chance of snow on Saturday Partly Sunny on Sunday
Low: 28°F High: 43°F High: 48°F High: 37°F High: 28°F High: 33°F High: 25°F High: 23°F
Low: 33°F Low: 29°F Low: 15°F Low: 22°F Low: 18°F Low: 11°F  
Partly Cloudy Mostly Sunny Rain Rain & Snow Partly Sunny Snow Snow Partly Sunny
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Current Conditions at
CHICAGO/WHEELING - (KPWK)
28°
Feels like 18°F
Mostly Cloudy
as of 7:43 PM CST
Rel. Humidity: 74%
Dew Point: 21°F
Visibility: 10 Miles
Pressure: 30.37 in.
Flight Rule: MVFR
Wind Data
12 MPH
Gust: 20 MPH
260° West
Cloud Level(s): Broken at 1700ft
Current Conditions at
CHICAGO-OHARE - (KORD)
28°
Feels like 17°F
Mostly Cloudy
as of 6:51 PM CST
Rel. Humidity: 68%
Dew Point: 19°F
Visibility: 10 Miles
Pressure: 30.35 in.
Flight Rule: MVFR
Wind Data
15 MPH
Gust: 21 MPH
240° Southwest
Cloud Level(s): Broken at 1900ft
Current Conditions at
WEST CHICAGO - (KDPA)
27°
Feels like 15°F
Cloudy
as of 6:52 PM CST
Rel. Humidity: 79%
Dew Point: 21°F
Visibility: 10 Miles
Pressure: 30.36 in.
Flight Rule: MVFR
Wind Data
14 MPH
240° Southwest
Cloud Level(s): Solid Overcast at 1600ft
Current Conditions at
WAUKEGAN - (KUGN)
27°
Feels like 14°F
Clear
as of 6:51 PM CST
Rel. Humidity: 79%
Dew Point: 21°F
Visibility: 10 Miles
Pressure: 30.32 in.
Flight Rule: VFR
Wind Data
15 MPH
240° Southwest
Cloud Level(s): Clear
Partly Cloudy on Tonight Tonight... Cloudy, then gradually becoming partly cloudy, with a low around 28. West southwest wind 10 to 15 mph, with gusts as high as 30 mph.
Mostly Sunny on Monday Monday... Mostly sunny, with a high near 43. 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. Southwest wind 5 to 10 mph, with gusts as high as 20 mph.
30% chance of rain Tuesday Tuesday... A 30 percent chance of rain, mainly after noon. Partly sunny, with a high near 48. West southwest wind around 15 mph, with gusts as high as 25 mph.
30% chance of rain & snow Tuesday Night Tuesday Night... A chance of rain before 3am, then a chance of rain and snow. Mostly cloudy, with a low around 29. West wind 10 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 30%.
70% chance of rain & snow Wednesday Wednesday... Snow likely, possibly mixed with rain, becoming all snow after noon. Mostly cloudy, with a high near 37. Breezy. Chance of precipitation is 70%.
40% chance of snow Wednesday Night Wednesday Night... A 40 percent chance of snow. Mostly cloudy, with a low around 15. Blustery.
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. Mostly cloudy, with a high near 33.
20% chance of snow Friday Night Friday Night... A chance of snow. Mostly cloudy, with a low around 18.
20% chance of snow Saturday Saturday... A chance of snow. Mostly cloudy, with a high near 25.
20% chance of snow Saturday Night Saturday Night... A chance of snow. Mostly cloudy, with a low around 11.
Partly Sunny on Sunday Sunday... Partly sunny, with a high near 23.
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.