Mount Prospect, Illinois Weather
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Weather Forecast for Mount Prospect, Illinois : Cook County
Issued: 12:41 am CDT Aug 2, 2025 Latitude: 42.0664167 Longitude: -87.9372908 View on Google Maps

MouseOver for Detail Forecast
Overnight Saturday Sunday Monday Tuesday Wednesday Thursday Friday
Cloudy on Overnight Mostly Sunny on Saturday Sunny on Sunday Mostly Sunny on Monday Mostly Sunny on Tuesday Mostly Sunny on Wednesday Sunny on Thursday Mostly Sunny on Friday
Low: 60°F High: 78°F High: 82°F High: 84°F High: 85°F High: 87°F High: 89°F High: 91°F
Low: 62°F Low: 64°F Low: 68°F Low: 68°F Low: 69°F Low: 72°F  
Cloudy Mostly Sunny Sunny Mostly Sunny Mostly Sunny Mostly Sunny Sunny Mostly Sunny
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Current Conditions at
CHICAGO/WHEELING - (KPWK)
61°
Clear
as of 12:52 AM CDST
Rel. Humidity: 72%
Dew Point: 52°F
Visibility: 10 Miles
Pressure: 30.38 in.
Flight Rule: VFR
Wind Data
Calm
Cloud Level(s): Clear
Current Conditions at
CHICAGO-OHARE - (KORD)
63°
Mostly Cloudy
as of 12:51 AM CDST
Rel. Humidity: 59%
Dew Point: 48°F
Visibility: 9 Miles
Pressure: 30.36 in.
Flight Rule: VFR
Wind Data
3 MPH
300° Northwest
Cloud Level(s): Broken at 25000ft
Current Conditions at
WEST CHICAGO - (KDPA)
57°
Clear
as of 12:52 AM CDST
Rel. Humidity: 71%
Dew Point: 48°F
Visibility: 8 Miles
Pressure: 30.37 in.
Flight Rule: VFR
Wind Data
Calm
Cloud Level(s): Clear
Cloudy on Overnight Overnight... Partly cloudy, with a low around 60. North wind around 5 mph.
Mostly Sunny on Saturday Saturday... Mostly sunny, with a high near 78. North wind 5 to 10 mph becoming east northeast in the afternoon.
Mostly Clear on Saturday Night Saturday Night... Mostly clear, with a low around 62. East northeast wind around 5 mph becoming calm in the evening.
Sunny on Sunday Sunday... Sunny, with a high near 82. Light and variable wind becoming east 5 to 10 mph in the morning.
Mostly Clear on Sunday Night Sunday Night... Mostly clear, with a low around 64. East northeast wind around 5 mph becoming calm in the evening.
Mostly Sunny on Monday Monday... Mostly sunny, with a high near 84.
Cloudy on Monday Night Monday Night... Partly cloudy, with a low around 68.
Mostly Sunny on Tuesday Tuesday... Mostly sunny, with a high near 85.
Cloudy on Tuesday Night Tuesday Night... Partly cloudy, with a low around 68.
Mostly Sunny on Wednesday Wednesday... Mostly sunny, with a high near 87.
Mostly Clear on Wednesday Night Wednesday Night... Mostly clear, with a low around 69.
Sunny on Thursday Thursday... Sunny, with a high near 89.
Mostly Clear on Thursday Night Thursday Night... Mostly clear, with a low around 72.
Mostly Sunny on Friday Friday... Mostly sunny, with a high near 91.
Sun Almanac for Mount Prospect, Illinois
Sunrise: 05:47 AM
Sunset: 8:09 PM
Civil Sunrise:05:15 AM
Civil Sunset: 8:41 PM
Nautical Sunrise: 04:36 AM
Nautical Sunset: 9:20 PM
Astro Sunrise: 03:53 AM
Astro Sunset: 10:03 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.