Mount Prospect, Illinois Weather
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Weather Forecast for Mount Prospect, Illinois : Cook County
Issued: 4:26 am CDT Jun 2, 2025 Latitude: 42.0664167 Longitude: -87.9372908 View on Google Maps

MouseOver for Detail Forecast
This Afternoon Tonight Tuesday Wednesday Thursday Friday Saturday Sunday
Mostly Sunny on This Afternoon Cloudy on Tonight 30% chance of thunderstorms on Tuesday 80% chance of thunderstorms on Wednesday 30% chance of on Thursday 20% chance of rain on Friday Mostly Sunny on Saturday 20% chance of on Sunday
High: 84°F Low: 67°F High: 87°F High: 64°F High: 71°F High: 71°F High: 73°F High: 79°F
Low: 59°F Low: 55°F Low: 57°F Low: 55°F Low: 56°F  
Mostly Sunny Cloudy Thunderstorms Thunderstorms Partly Sunny Rain Mostly Sunny Partly Sunny
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Current Conditions at
CHICAGO/WHEELING - (KPWK)
79°
Clear
as of 12:52 PM CDST
Rel. Humidity: 29%
Dew Point: 45°F
Visibility: 10 Miles
Pressure: 29.98 in.
Flight Rule: VFR
Wind Data
8 MPH
240° Southwest
Cloud Level(s): Clear
Current Conditions at
CHICAGO-OHARE - (KORD)
79°
Cloudy
as of 12:51 PM CDST
Rel. Humidity: 27%
Dew Point: 43°F
Visibility: 10 Miles
Pressure: 29.97 in.
Flight Rule: VFR
Wind Data
13 MPH
Gust: 20 MPH
220° Southwest
Cloud Level(s): Solid Overcast at 20000ft
Current Conditions at
WEST CHICAGO - (KDPA)
79°
Clear
as of 12:52 PM CDST
Rel. Humidity: 31%
Dew Point: 46°F
Visibility: 10 Miles
Pressure: 29.97 in.
Flight Rule: VFR
Wind Data
9 MPH
190° South
Cloud Level(s): Clear
Mostly Sunny on This Afternoon This Afternoon... Mostly sunny, with a high near 84. South southwest wind 10 to 15 mph, with gusts as high as 20 mph.
Cloudy on Tonight Tonight... Partly cloudy, with a low around 67. South wind 10 to 15 mph.
30% chance of thunderstorms Tuesday Tuesday... A 30 percent chance of showers and thunderstorms, mainly after 4pm. Partly sunny, with a high near 87. Breezy, with a south southwest wind 15 to 20 mph, with gusts as high as 30 mph.
80% chance of thunderstorms Tuesday Night Tuesday Night... A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 7pm. Low around 59. South southwest wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 80%.
80% chance of thunderstorms Wednesday Wednesday... Showers and possibly a thunderstorm before 1pm, then showers likely. High near 64. North northeast wind around 10 mph, with gusts as high as 15 mph. Chance of precipitation is 80%.
40% chance of rain Wednesday Night Wednesday Night... A 40 percent chance of showers. Mostly cloudy, with a low around 55.
30% chance of Thursday Thursday... A 30 percent chance of showers, mainly after 1pm. Partly sunny, with a high near 71.
20% chance of rain Thursday Night Thursday Night... A chance of showers. Mostly cloudy, with a low around 57.
20% chance of rain Friday Friday... A chance of showers. Mostly sunny, with a high near 71.
Mostly Cloudy on Friday Night Friday Night... Mostly cloudy, with a low around 55.
Mostly Sunny on Saturday Saturday... Mostly sunny, with a high near 73.
Cloudy on Saturday Night Saturday Night... Partly cloudy, with a low around 56.
20% chance of Sunday Sunday... A chance of showers. Partly sunny, with a high near 79.
Sun Almanac for Mount Prospect, Illinois
Sunrise: 05:18 AM
Sunset: 8:22 PM
Civil Sunrise:04:44 AM
Civil Sunset: 8:56 PM
Nautical Sunrise: 04:01 AM
Nautical Sunset: 9:39 PM
Astro Sunrise: 03:10 AM
Astro Sunset: 10:30 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.