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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: 9:06 am CST Dec 6, 2025 Latitude: 42.0883603 Longitude: -87.9806265 View on Google Maps

MouseOver for Detail Forecast
Today Tonight Sunday Monday Tuesday Wednesday Thursday Friday
10% chance of snow on Today 100% chance of snow on Tonight 50% chance of snow on Sunday 20% chance of snow on Monday 20% chance of rain & snow on Tuesday 20% chance of rain & snow on Wednesday 20% chance of snow on Thursday Partly Sunny on Friday
High: 28°F Low: 22°F High: 26 °F High: 24°F High: 38°F High: 35°F High: 24°F High: 20°F
Low: 13°F Low: 14°F Low: 32°F Low: 15°F Low: 12°F  
Snow Snow Snow Snow Rain & Snow Rain & Snow Snow Partly Sunny
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Current Conditions at
CHICAGO/WHEELING - (KPWK)
28°
Cloudy
as of 8:52 AM CST
Rel. Humidity: 74%
Dew Point: 21°F
Visibility: 10 Miles
Pressure: 29.93 in.
Flight Rule: MVFR
Wind Data
6 MPH
300° Northwest
Cloud Level(s): Solid Overcast at 2500ft
Current Conditions at
CHICAGO-OHARE - (KORD)
30°
Cloudy
as of 9:10 AM CST
Rel. Humidity: 68%
Dew Point: 21°F
Visibility: 10 Miles
Pressure: 29.92 in.
Flight Rule: MVFR
Wind Data
6 MPH
310° Northwest
Cloud Level(s): Solid Overcast at 2500ft
Current Conditions at
WEST CHICAGO - (KDPA)
28°
Cloudy
as of 8:52 AM CST
Rel. Humidity: 86%
Dew Point: 25°F
Visibility: 7 Miles
Pressure: 29.91 in.
Flight Rule: MVFR
Wind Data
5 MPH
220° Southwest
Cloud Level(s): Solid Overcast at 2400ft
Current Conditions at
WAUKEGAN - (KUGN)
28°
Cloudy
as of 8:51 AM CST
Rel. Humidity: 74%
Dew Point: 21°F
Visibility: 10 Miles
Pressure: 29.90 in.
Flight Rule: MVFR
Wind Data
Calm
Cloud Level(s): Solid Overcast at 2400ft
10% chance of snow Today Today... A slight chance of flurries after noon. Mostly cloudy, with a high near 28. West northwest wind around 5 mph becoming calm in the afternoon. Winds could gust as high as 15 mph.
100% chance of snow Tonight Tonight... Snow, mainly after midnight. Low around 22. Light and variable wind becoming north northeast 5 to 10 mph after midnight. Chance of precipitation is 100%. New snow accumulation of 2 to 4 inches possible.
50% chance of snow Sunday Sunday... A 50 percent chance of snow, mainly before noon. Cloudy, then gradually becoming mostly sunny, with a temperature rising to near 26 by 9am, then falling to around 19 during the remainder of the day. North wind 10 to 15 mph, with gusts as high as 20 mph.
30% chance of snow Sunday Night Sunday Night... A 30 percent chance of snow showers. Mostly cloudy, with a low around 13. North wind 5 to 10 mph, with gusts as high as 15 mph.
20% chance of snow Monday Monday... A 20 percent chance of snow showers before noon. Partly sunny, with a high near 24. West northwest wind 5 to 10 mph becoming south southwest in the morning.
30% chance of snow Monday Night Monday Night... A 30 percent chance of snow, mainly after midnight. Mostly cloudy, with a low around 14.
20% chance of rain & snow Tuesday Tuesday... A slight chance of snow before noon, then a slight chance of rain and snow. Mostly cloudy, with a high near 38. Chance of precipitation is 20%.
Rain and Snow on Tuesday Night Tuesday Night... Rain and snow, becoming all rain after midnight. Cloudy, with a low around 32.
20% chance of rain & snow Wednesday Wednesday... Rain and snow likely before noon, then a chance of snow. Mostly cloudy, with a high near 35.
20% chance of snow Wednesday Night Wednesday Night... A chance of snow before midnight. Mostly cloudy, with a low around 15.
20% chance of snow Thursday Thursday... A chance of snow. Mostly cloudy, with a high near 24.
20% chance of snow Thursday Night Thursday Night... A chance of snow. Mostly cloudy, with a low around 12.
Partly Sunny on Friday Friday... Partly sunny, with a high near 20.
Current Radar Image


Sun Almanac for Arlington Heights, Illinois
Sunrise: 07:06 AM
Sunset: 4:20 PM
Civil Sunrise:06:35 AM
Civil Sunset: 4:52 PM
Nautical Sunrise: 06:00 AM
Nautical Sunset: 5:27 PM
Astro Sunrise: 05:26 AM
Astro Sunset: 6:00 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.