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Prospect Heights, Illinois Weather Forecast
Prospect Heights, Illinois Weather
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Weather Forecast for Prospect Heights, Illinois : Cook County
Issued: 9:16 pm CST Dec 14, 2025 Latitude: 42.0953049 Longitude: -87.9375694 View on Google Maps

MouseOver for Detail Forecast
Tonight Monday Tuesday Wednesday Thursday Friday Saturday Sunday
Increasing Clouds on Tonight Partly Sunny on Monday Partly Sunny on Tuesday Mostly Sunny on Wednesday Rain on Thursday Mostly Sunny on Friday Mostly Cloudy on Saturday Mostly Sunny on Sunday
Low: 2 °F High: 24°F High: 37°F High: 40°F High: 47°F High: 27°F High: 43°F High: 33°F
Low: 16°F Low: 30°F Low: 34°F Low: 10°F Low: 22°F Low: 24°F  
Increasing Clouds Partly Sunny Partly Sunny Mostly Sunny Rain Mostly Sunny Mostly Cloudy Mostly Sunny
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Current Conditions at
CHICAGO/WHEELING - (KPWK)
5°
Clear
as of 9:52 PM CST
Rel. Humidity: 60%
Dew Point: -6°F
Visibility: 10 Miles
Pressure: 30.55 in.
Flight Rule: VFR
Wind Data
Calm
Cloud Level(s): Clear
Current Conditions at
CHICAGO-OHARE - (KORD)
3°
Feels like -13°F
Mostly Cloudy
as of 9:51 PM CST
Rel. Humidity: 65%
Dew Point: -6°F
Visibility: 10 Miles
Pressure: 30.53 in.
Flight Rule: VFR
Wind Data
12 MPH
220° Southwest
Cloud Level(s): Scattered at 16000ft, Broken at 21000ft
Current Conditions at
WEST CHICAGO - (KDPA)
1°
Feels like -13°F
Clear
as of 9:52 PM CST
Rel. Humidity: 70%
Dew Point: -6°F
Visibility: 10 Miles
Pressure: 30.54 in.
Flight Rule: VFR
Wind Data
9 MPH
230° Southwest
Cloud Level(s): Clear
Increasing Clouds on Tonight Tonight... Increasing clouds, with a low around 2. Wind chill values as low as -14. South southwest wind 5 to 15 mph, with gusts as high as 25 mph.
Partly Sunny on Monday Monday... Partly sunny, with a high near 24. Wind chill values as low as -12. Breezy, with a south southwest wind 10 to 20 mph, with gusts as high as 30 mph.
Cloudy on Monday Night Monday Night... Partly cloudy, with a low around 16. Southwest wind around 5 mph becoming calm in the evening. Winds could gust as high as 10 mph.
Partly Sunny on Tuesday Tuesday... Partly sunny, with a high near 37. South southwest wind 5 to 15 mph, with gusts as high as 25 mph.
Mostly Cloudy on Tuesday Night Tuesday Night... Mostly cloudy, with a low around 30. Southwest wind 5 to 15 mph, with gusts as high as 25 mph.
Mostly Sunny on Wednesday Wednesday... Mostly sunny, with a high near 40.
40% chance of rain Wednesday Night Wednesday Night... A 40 percent chance of showers after midnight. Mostly cloudy, with a low around 34.
Rain on Thursday Thursday... Showers likely, mainly before noon. Mostly cloudy, with a high near 47. Breezy.
Mostly Cloudy on Thursday Night Thursday Night... Mostly cloudy, with a low around 10.
Mostly Sunny on Friday Friday... Mostly sunny, with a high near 27.
Mostly Cloudy on Friday Night Friday Night... Mostly cloudy, with a low around 22.
Mostly Cloudy on Saturday Saturday... Mostly cloudy, with a high near 43.
Mostly Cloudy on Saturday Night Saturday Night... Mostly cloudy, with a low around 24.
Mostly Sunny on Sunday Sunday... Mostly sunny, with a high near 33.
Sun Almanac for Prospect Heights, Illinois
Sunrise: 07:13 AM
Sunset: 4:21 PM
Civil Sunrise:06:41 AM
Civil Sunset: 4:52 PM
Nautical Sunrise: 06:06 AM
Nautical Sunset: 5:28 PM
Astro Sunrise: 05:32 AM
Astro Sunset: 6:02 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.