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Mount Prospect, Illinois Weather Forecast
Mount Prospect, Illinois Weather
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Weather Forecast for Mount Prospect, Illinois : Cook County
Issued: 5:11 am CST Nov 5, 2025 Latitude: 42.0664167 Longitude: -87.9372908 View on Google Maps

MouseOver for Detail Forecast
Today Tonight Thursday Friday Saturday Sunday Monday Veterans Day
Partly Sunny on Today Mostly Clear on Tonight Increasing Clouds on Thursday 30% chance of rain on Friday 50% chance of rain on Saturday 20% chance of rain & snow on Sunday Mostly Sunny on Monday Partly Sunny on Veterans Day
High: 58°F Low: 34°F High: 56°F High: 63°F High: 49°F High: 38°F High: 37°F High: 43°F
Low: 47°F Low: 38°F Low: 32°F Low: 23°F Low: 24°F  
Partly Sunny Mostly Clear Increasing Clouds Rain Rain Rain & Snow Mostly Sunny Partly Sunny
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Current Conditions at
CHICAGO/WHEELING - (KPWK)
54°
Clear
as of 4:52 AM CST
Rel. Humidity: 71%
Dew Point: 45°F
Visibility: 10 Miles
Pressure: 29.81 in.
Flight Rule: VFR
Wind Data
6 MPH
260° West
Cloud Level(s): Clear
Current Conditions at
CHICAGO-OHARE - (KORD)
54°
Clear
as of 4:51 AM CST
Rel. Humidity: 71%
Dew Point: 45°F
Visibility: 10 Miles
Pressure: 29.80 in.
Flight Rule: VFR
Wind Data
10 MPH
Gust: 21 MPH
250° West
Cloud Level(s): Clear
Current Conditions at
WEST CHICAGO - (KDPA)
52°
Clear
as of 4:52 AM CST
Rel. Humidity: 76%
Dew Point: 45°F
Visibility: 10 Miles
Pressure: 29.81 in.
Flight Rule: VFR
Wind Data
13 MPH
240° Southwest
Cloud Level(s): Clear
Partly Sunny on Today Today... Partly sunny, then gradually becoming sunny, with a high near 58. Breezy, with a west southwest wind 10 to 15 mph becoming northwest 15 to 20 mph in the morning. Winds could gust as high as 30 mph.
Mostly Clear on Tonight Tonight... Mostly clear, with a low around 34. Northwest wind 5 to 10 mph becoming light west northwest after midnight.
Increasing Clouds on Thursday Thursday... Increasing clouds, with a high near 56. Light and variable wind becoming south 10 to 15 mph in the morning. Winds could gust as high as 20 mph.
80% chance of rain Thursday Night Thursday Night... Showers, mainly after midnight. Low around 47. South wind 10 to 15 mph, with gusts as high as 30 mph. Chance of precipitation is 80%.
30% chance of rain Friday Friday... A 30 percent chance of showers before noon. Mostly sunny, with a high near 63. West southwest wind 10 to 15 mph, with gusts as high as 25 mph.
Mostly Cloudy on Friday Night Friday Night... Mostly cloudy, with a low around 38.
50% chance of rain Saturday Saturday... A 50 percent chance of rain after noon. Partly sunny, with a high near 49.
70% chance of rain Saturday Night Saturday Night... Rain likely, mainly before midnight. Mostly cloudy, with a low around 32.
20% chance of rain & snow Sunday Sunday... A chance of rain and snow before noon. Partly sunny, with a high near 38.
Cloudy on Sunday Night Sunday Night... Partly cloudy, with a low around 23.
Mostly Sunny on Monday Monday... Mostly sunny, with a high near 37.
Cloudy on Monday Night Monday Night... Partly cloudy, with a low around 24.
Partly Sunny on Veterans Day Veterans Day... Partly sunny, with a high near 43.
Sun Almanac for Mount Prospect, Illinois
Sunrise: 06:30 AM
Sunset: 4:41 PM
Civil Sunrise:06:01 AM
Civil Sunset: 5:10 PM
Nautical Sunrise: 05:28 AM
Nautical Sunset: 5:43 PM
Astro Sunrise: 04:55 AM
Astro Sunset: 6:16 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.