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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: 2:06 pm CST Jan 7, 2026 Latitude: 42.0883603 Longitude: -87.9806265 View on Google Maps

MouseOver for Detail Forecast
This Afternoon Tonight Thursday Friday Saturday Sunday Monday Tuesday
Mostly Sunny on This Afternoon Increasing Clouds on Tonight 100% chance of rain on Thursday 20% chance of rain on Friday 70% chance of rain & snow on Saturday Partly Sunny on Sunday Partly Sunny on Monday Mostly Cloudy on Tuesday
High: 40°F Low: 38°F High: 53°F High: 42°F High: 38°F High: 31°F High: 38°F High: 39°F
Low: 42°F Low: 36°F Low: 23°F Low: 22°F Low: 31°F  
Mostly Sunny Increasing Clouds Rain Rain Rain & Snow Partly Sunny Partly Sunny Mostly Cloudy
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Current Conditions at
CHICAGO/WHEELING - (KPWK)
43°
Clear
as of 1:52 PM CST
Rel. Humidity: 65%
Dew Point: 32°F
Visibility: 10 Miles
Pressure: 29.91 in.
Flight Rule: VFR
Wind Data
8 MPH
250° West
Cloud Level(s): Clear
Current Conditions at
CHICAGO-OHARE - (KORD)
41°
Feels like 34°F
Partly Cloudy
as of 1:51 PM CST
Rel. Humidity: 70%
Dew Point: 32°F
Visibility: 9 Miles
Pressure: 29.90 in.
Flight Rule: VFR
Wind Data
10 MPH
200° South
Cloud Level(s): Scattered at 25000ft
Current Conditions at
WEST CHICAGO - (KDPA)
37°
Partly Cloudy
as of 2:08 PM CST
Rel. Humidity: 86%
Dew Point: 34°F
Visibility: 7 Miles
Pressure: 29.89 in.
Flight Rule: VFR
Wind Data
8 MPH
160° South
Cloud Level(s): Scattered at 800ft
Current Conditions at
WAUKEGAN - (KUGN)
39°
Clear
as of 1:51 PM CST
Rel. Humidity: 80%
Dew Point: 34°F
Visibility: 10 Miles
Pressure: 29.89 in.
Flight Rule: VFR
Wind Data
7 MPH
240° Southwest
Cloud Level(s): Clear
Mostly Sunny on This Afternoon This Afternoon... Mostly sunny, with a high near 40. South wind around 10 mph.

Increasing Clouds on Tonight Tonight... Increasing clouds, with a low around 38. South southwest wind around 10 mph, with gusts as high as 15 mph.

100% chance of rain Thursday Thursday... Rain, mainly after noon. High near 53. South wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 100%. New precipitation amounts between a tenth and quarter of an inch possible.

100% chance of rain Thursday Night Thursday Night... Rain, mainly before midnight. Low around 42. Breezy, with a south southeast wind 10 to 20 mph becoming west after midnight. Winds could gust as high as 30 mph. Chance of precipitation is 100%.

20% chance of rain Friday Friday... A 20 percent chance of rain before 9am. Mostly cloudy, with a high near 42. West wind 5 to 10 mph becoming north northeast in the afternoon. Winds could gust as high as 20 mph.

40% chance of rain Friday Night Friday Night... A 40 percent chance of rain after midnight. Mostly cloudy, with a low around 36.

70% chance of rain & snow Saturday Saturday... Rain likely before 3pm, then snow likely, possibly mixed with rain. Mostly cloudy, with a high near 38. Chance of precipitation is 70%.

20% chance of snow Saturday Night Saturday Night... A chance of snow. Mostly cloudy, with a low around 23.

Partly Sunny on Sunday Sunday... Partly sunny, with a high near 31.

Cloudy on Sunday Night Sunday Night... Partly cloudy, with a low around 22.

Partly Sunny on Monday Monday... Partly sunny, with a high near 38.

Mostly Cloudy on Monday Night Monday Night... Mostly cloudy, with a low around 31.

Mostly Cloudy on Tuesday Tuesday... Mostly cloudy, with a high near 39.

Current Radar Image


Sun Almanac for Arlington Heights, Illinois
Sunrise: 07:20 AM
Sunset: 4:37 PM
Civil Sunrise:06:49 AM
Civil Sunset: 5:08 PM
Nautical Sunrise: 06:14 AM
Nautical Sunset: 5:43 PM
Astro Sunrise: 05:40 AM
Astro Sunset: 6:17 PM
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