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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: 2:51 pm CST Dec 9, 2025 Latitude: 42.0883603 Longitude: -87.9806265 View on Google Maps

MouseOver for Detail Forecast
This Afternoon Tonight Wednesday Thursday Friday Saturday Sunday Monday
30% chance of rain & snow on This Afternoon 100% chance of rain & snow on Tonight 90% chance of rain & snow on Wednesday Mostly Sunny on Thursday 50% chance of snow on Friday Snow on Saturday Mostly Sunny on Sunday Mostly Cloudy on Monday
High: 34°F Low: 31°F High: 25 °F High: 23°F High: 29°F High: 13°F High: 9°F High: 22°F
Low: 12°F Low: 18°F Low: 8°F Low: -3°F Low: 0°F  
Rain & Snow Rain & Snow Rain & Snow Mostly Sunny Snow Snow Mostly Sunny Mostly Cloudy
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Current Conditions at
CHICAGO/WHEELING - (KPWK)
34°
Mostly Cloudy
as of 1:52 PM CST
Rel. Humidity: 80%
Dew Point: 28°F
Visibility: 10 Miles
Pressure: 29.65 in.
Flight Rule: VFR
Wind Data
8 MPH
240° Southwest
Cloud Level(s): Broken at 11000ft
Current Conditions at
CHICAGO-OHARE - (KORD)
36°
Feels like 26°F
Cloudy
as of 1:51 PM CST
Rel. Humidity: 74%
Dew Point: 28°F
Visibility: 10 Miles
Pressure: 29.63 in.
Flight Rule: VFR
Wind Data
14 MPH
Gust: 21 MPH
240° Southwest
Cloud Level(s): Few at 1500ft, Broken at 11000ft, Solid Overcast at 25000ft
Current Conditions at
WEST CHICAGO - (KDPA)
34°
Feels like 25°F
Cloudy
as of 1:52 PM CST
Rel. Humidity: 80%
Dew Point: 28°F
Visibility: 9 Miles
Pressure: 29.64 in.
Flight Rule: VFR
Wind Data
12 MPH
230° Southwest
Cloud Level(s): Solid Overcast at 10000ft
Current Conditions at
WAUKEGAN - (KUGN)
32°
Mostly Cloudy
as of 2:37 PM CST
Rel. Humidity: 86%
Dew Point: 28°F
Visibility: 10 Miles
Pressure: 29.62 in.
Flight Rule: VFR
Wind Data
7 MPH
250° West
Cloud Level(s): Scattered at 1300ft, Broken at 9500ft
30% chance of rain & snow This Afternoon This Afternoon... A slight chance of rain and snow between 4pm and 5pm, then a chance of rain. Cloudy, with a high near 34. South southwest wind around 10 mph, with gusts as high as 15 mph. Chance of precipitation is 30%.
100% chance of rain & snow Tonight Tonight... Rain before 5am, then snow likely, possibly mixed with rain. Low around 31. Breezy, with a south wind 10 to 15 mph becoming southwest 15 to 20 mph after midnight. Winds could gust as high as 35 mph. Chance of precipitation is 100%. Little or no snow accumulation expected.
90% chance of rain & snow Wednesday Wednesday... Snow, possibly mixed with rain, becoming all snow after 7am. Temperature falling to around 25 by 5pm. Breezy, with a northwest wind 15 to 20 mph, with gusts as high as 35 mph. Chance of precipitation is 90%. New snow accumulation of less than one inch possible.
20% chance of snow Wednesday Night Wednesday Night... A 20 percent chance of snow before midnight. Mostly cloudy, then gradually becoming mostly clear, with a low around 12. Northwest wind 5 to 10 mph, with gusts as high as 20 mph.
Mostly Sunny on Thursday Thursday... Mostly sunny, with a high near 23. West wind around 5 mph, with gusts as high as 10 mph.
60% chance of snow Thursday Night Thursday Night... Snow likely, mainly after midnight. Mostly cloudy, with a low around 18. Chance of precipitation is 60%.
50% chance of snow Friday Friday... A 50 percent chance of snow. Mostly cloudy, with a high near 29.
Mostly Cloudy on Friday Night Friday Night... Mostly cloudy, with a low around 8.
Snow on Saturday Saturday... Snow likely, mainly after noon. Mostly cloudy, with a high near 13.
20% chance of snow Saturday Night Saturday Night... A chance of snow before midnight. Mostly cloudy, with a low around -3.
Mostly Sunny on Sunday Sunday... Mostly sunny and cold, with a high near 9.
Cloudy on Sunday Night Sunday Night... Partly cloudy, with a low around 0.
Mostly Cloudy on Monday Monday... Mostly cloudy, with a high near 22.
Current Radar Image


Sun Almanac for Arlington Heights, Illinois
Sunrise: 07:09 AM
Sunset: 4:20 PM
Civil Sunrise:06:37 AM
Civil Sunset: 4:52 PM
Nautical Sunrise: 06:02 AM
Nautical Sunset: 5:27 PM
Astro Sunrise: 05:28 AM
Astro Sunset: 6:01 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.