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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: 11:56 pm CST Jan 16, 2026 Latitude: 42.0883603 Longitude: -87.9806265 View on Google Maps

MouseOver for Detail Forecast
Overnight Saturday Sunday M.L.King Day Tuesday Wednesday Thursday Friday
20% chance of snow on Overnight 60% chance of snow on Saturday 50% chance of snow on Sunday Partly Sunny on M.L.King Day Mostly Sunny on Tuesday Mostly Cloudy on Wednesday Mostly Sunny on Thursday Mostly Cloudy on Friday
Low: 15°F High: 20°F High: 20°F High: 8 °F High: 19°F High: 29°F High: 21°F High: 26°F
Low: 8 °F Low: 1 °F Low: 1°F Low: 13°F Low: 12°F Low: 11°F  
Snow Snow Snow Partly Sunny Mostly Sunny Mostly Cloudy Mostly Sunny Mostly Cloudy
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Current Conditions at
CHICAGO/WHEELING - (KPWK)
27°
Cloudy
as of 10:52 PM CST
Rel. Humidity: 68%
Dew Point: 18°F
Visibility: 10 Miles
Pressure: 29.71 in.
Flight Rule: VFR
Wind Data
8 MPH
Gust: 22 MPH
270° West
Cloud Level(s): Broken at 6000ft, Solid Overcast at 9500ft
Current Conditions at
CHICAGO-OHARE - (KORD)
27°
Feels like 13°F
Cloudy
as of 10:51 PM CST
Rel. Humidity: 53%
Dew Point: 12°F
Visibility: 10 Miles
Pressure: 29.70 in.
Flight Rule: VFR
Wind Data
20 MPH
Gust: 29 MPH
260° West
Cloud Level(s): Solid Overcast at 5000ft
Current Conditions at
WEST CHICAGO - (KDPA)
25°
Feels like 10°F
Cloudy
as of 10:52 PM CST
Rel. Humidity: 68%
Dew Point: 16°F
Visibility: 10 Miles
Pressure: 29.71 in.
Flight Rule: VFR
Wind Data
20 MPH
Gust: 28 MPH
250° West
Cloud Level(s): Solid Overcast at 4900ft
Current Conditions at
WAUKEGAN - (KUGN)
25°
Feels like 11°F
Cloudy
as of 10:51 PM CST
Rel. Humidity: 62%
Dew Point: 14°F
Visibility: 10 Miles
Pressure: 29.66 in.
Flight Rule: VFR
Wind Data
17 MPH
Gust: 30 MPH
270° West
Cloud Level(s): Few at 6000ft, Broken at 9000ft, Solid Overcast at 11000ft
20% chance of snow Overnight Overnight... Intermittent flurries with isolated snow showers before 4am, then isolated snow showers after 4am. Mostly cloudy, with a low around 15. West wind around 15 mph, with gusts as high as 25 mph. Chance of precipitation is 20%.
60% chance of snow Saturday Saturday... Snow likely, mainly after 3pm. Mostly cloudy, with a high near 20. Wind chill values as low as 1. 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 Saturday Night Saturday Night... A 40 percent chance of snow before midnight. Mostly cloudy, with a low around 8. Wind chill values as low as -4. West wind 10 to 15 mph, with gusts as high as 25 mph.
50% chance of snow Sunday Sunday... A 50 percent chance of snow after noon. Mostly cloudy, with a high near 20. Wind chill values as low as -5. Southwest wind 10 to 15 mph, with gusts as high as 25 mph.
40% chance of snow Sunday Night Sunday Night... A 40 percent chance of snow, mainly before midnight. Mostly cloudy, with a low around 1. Blustery, with a southwest wind 10 to 20 mph becoming west northwest after midnight. Winds could gust as high as 30 mph.
Partly Sunny on M.L.King Day M.L.King Day... Partly sunny and cold, with a high near 8. 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 19.
Mostly Cloudy on Tuesday Night Tuesday Night... Mostly cloudy, with a low around 13.
Mostly Cloudy on Wednesday Wednesday... Mostly cloudy, with a high near 29.
Mostly Cloudy on Wednesday Night Wednesday Night... Mostly cloudy, with a low around 12.
Mostly Sunny on Thursday Thursday... Mostly sunny, with a high near 21.
Mostly Cloudy on Thursday Night Thursday Night... Mostly cloudy, with a low around 11.
Mostly Cloudy on Friday Friday... Mostly cloudy, with a high near 26.
Current Radar Image


Sun Almanac for Arlington Heights, Illinois
Sunrise: 07:17 AM
Sunset: 4:48 PM
Civil Sunrise:06:46 AM
Civil Sunset: 5:18 PM
Nautical Sunrise: 06:11 AM
Nautical Sunset: 5:53 PM
Astro Sunrise: 05:38 AM
Astro Sunset: 6:26 PM
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