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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: 6:51 pm CST Jan 15, 2026 Latitude: 42.0883603 Longitude: -87.9806265 View on Google Maps

MouseOver for Detail Forecast
Tonight Friday Saturday Sunday M.L.King Day Tuesday Wednesday Thursday
90% chance of snow on Tonight 60% chance of snow on Friday 30% chance of snow on Saturday 20% chance of snow on Sunday Partly Sunny on M.L.King Day Mostly Sunny on Tuesday Partly Sunny on Wednesday Mostly Sunny on Thursday
Low: 26 °F High: 36°F High: 19°F High: 19°F High: 9 °F High: 20°F High: 25°F High: 27°F
Low: 14°F Low: 8 °F Low: 3 °F Low: 1°F Low: 13°F Low: 11°F  
Snow Snow Snow Snow Partly Sunny Mostly Sunny Partly Sunny Mostly Sunny
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Current Conditions at
CHICAGO/WHEELING - (KPWK)
23°
Mostly Cloudy
as of 7:52 PM CST
Rel. Humidity: 57%
Dew Point: 10°F
Visibility: 10 Miles
Pressure: 29.77 in.
Flight Rule: VFR
Wind Data
6 MPH
200° South
Cloud Level(s): Broken at 10000ft, Broken at 12000ft
Current Conditions at
CHICAGO-OHARE - (KORD)
23°
Feels like 13°F
Cloudy
as of 7:51 PM CST
Rel. Humidity: 57%
Dew Point: 10°F
Visibility: 10 Miles
Pressure: 29.76 in.
Flight Rule: VFR
Wind Data
9 MPH
200° South
Cloud Level(s): Broken at 11000ft, Broken at 14000ft, Broken at 17000ft, Solid Overcast at 25000ft
Current Conditions at
WEST CHICAGO - (KDPA)
23°
Feels like 13°F
Mostly Cloudy
as of 7:52 PM CST
Rel. Humidity: 57%
Dew Point: 10°F
Visibility: 10 Miles
Pressure: 29.76 in.
Flight Rule: VFR
Wind Data
9 MPH
190° South
Cloud Level(s): Broken at 11000ft
Current Conditions at
WAUKEGAN - (KUGN)
21°
Feels like 10°F
Cloudy
as of 7:51 PM CST
Rel. Humidity: 62%
Dew Point: 10°F
Visibility: 10 Miles
Pressure: 29.74 in.
Flight Rule: VFR
Wind Data
9 MPH
200° South
Cloud Level(s): Solid Overcast at 9500ft
90% chance of snow Tonight Tonight... Snow, mainly before 3am. Temperature rising to around 26 by 5am. South southwest wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 90%. Total nighttime snow accumulation of less than one inch possible.
60% chance of snow Friday Friday... Snow likely, mainly before 9am. Mostly cloudy, with a high near 36. West wind around 15 mph, with gusts as high as 25 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.
40% chance of snow Friday Night Friday Night... A 40 percent chance of snow showers. Mostly cloudy, with a low around 14. West wind 10 to 15 mph, with gusts as high as 20 mph.
30% chance of snow Saturday Saturday... A 30 percent chance of snow showers, mainly after noon. Mostly cloudy, with a high near 19. Wind chill values as low as 1. West wind around 15 mph, with gusts as high as 25 mph.
20% chance of snow Saturday Night Saturday Night... A 20 percent chance of snow showers before midnight. Mostly cloudy, with a low around 8. West wind 10 to 15 mph, with gusts as high as 20 mph.
20% chance of snow Sunday Sunday... A 20 percent chance of snow showers after noon. Mostly cloudy, with a high near 19.
20% chance of snow Sunday Night Sunday Night... A 20 percent chance of snow showers. Mostly cloudy, with a low around 3. Blustery.
Partly Sunny on M.L.King Day M.L.King Day... Partly sunny and cold, with a high near 9. Blustery.
Cloudy on Monday Night Monday Night... Partly cloudy, with a low around 1.
Mostly Sunny on Tuesday Tuesday... Mostly sunny, with a high near 20.
Mostly Cloudy on Tuesday Night Tuesday Night... Mostly cloudy, with a low around 13.
Partly Sunny on Wednesday Wednesday... Partly sunny, with a high near 25.
Cloudy on Wednesday Night Wednesday Night... Partly cloudy, with a low around 11.
Mostly Sunny on Thursday Thursday... Mostly sunny, with a high near 27.
Current Radar Image


Sun Almanac for Arlington Heights, Illinois
Sunrise: 07:18 AM
Sunset: 4:45 PM
Civil Sunrise:06:47 AM
Civil Sunset: 5:16 PM
Nautical Sunrise: 06:12 AM
Nautical Sunset: 5:51 PM
Astro Sunrise: 05:39 AM
Astro Sunset: 6:24 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.