National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce
Current conditions at

Chicago / Wheeling, Pal-Waukee Airport (KPWK)

Lat: 42.12°NLon: 87.9°WElev: 646ft.

Overcast

59°F

15°C

Humidity 87%
Wind Speed S 10 mph
Barometer 30.04 in (1017.2 mb)
Dewpoint 55°F (13°C)
Visibility 10.00 mi
Last update 2 Nov 1:52 pm CST
Extended Forecast for

Mount Prospect IL

  • This Afternoon

    This Afternoon: A 20 percent chance of showers after 5pm. Cloudy, with a high near 61. South southeast wind around 15 mph, with gusts as high as 25 mph.

    High: 61 °F

    Slight Chance
    Showers

  • Tonight

    Tonight: A 20 percent chance of showers before midnight. Cloudy, with a low around 61. South wind around 15 mph, with gusts as high as 25 mph.

    Low: 61 °F

    Slight Chance
    Showers then
    Cloudy

  • Tuesday

    Tuesday: A slight chance of showers before 1pm, then a chance of showers after 2pm. Mostly cloudy, with a high near 70. Breezy, with a south wind 15 to 25 mph, with gusts as high as 35 mph. Chance of precipitation is 50%.

    High: 70 °F

    Breezy.
    Mostly Cloudy
    then Chance
    Showers

  • Tuesday Night

    Tuesday Night: Showers. Low around 61. South wind around 15 mph, with gusts as high as 25 mph. Chance of precipitation is 90%.

    Low: 61 °F

    Showers

  • Wednesday

    Wednesday: Showers, mainly before noon. High near 63. Southwest wind around 15 mph, with gusts as high as 25 mph. Chance of precipitation is 80%.

    High: 63 °F

    Showers then
    Chance
    Showers

  • Wednesday Night

    Wednesday Night: A 20 percent chance of showers before midnight. Mostly cloudy, with a low around 50.

    Low: 50 °F

    Slight Chance
    Showers then
    Mostly Cloudy

  • Thursday

    Thursday: A 30 percent chance of showers, mainly after noon. Mostly cloudy, with a high near 56.

    High: 56 °F

    Chance
    Showers

  • Thursday Night

    Thursday Night: A chance of rain. Mostly cloudy, with a low around 44.

    Low: 44 °F

    Chance Rain

  • Friday

    Friday: A chance of rain before noon. Mostly cloudy, with a high near 53.

    High: 53 °F

    Chance Rain
    then Partly
    Sunny

Detailed Forecast

This Afternoon
A 20 percent chance of showers after 5pm. Cloudy, with a high near 61. South southeast wind around 15 mph, with gusts as high as 25 mph.
Tonight
A 20 percent chance of showers before midnight. Cloudy, with a low around 61. South wind around 15 mph, with gusts as high as 25 mph.
Tuesday
A slight chance of showers before 1pm, then a chance of showers after 2pm. Mostly cloudy, with a high near 70. Breezy, with a south wind 15 to 25 mph, with gusts as high as 35 mph. Chance of precipitation is 50%.
Tuesday Night
Showers. Low around 61. South wind around 15 mph, with gusts as high as 25 mph. Chance of precipitation is 90%.
Wednesday
Showers, mainly before noon. High near 63. Southwest wind around 15 mph, with gusts as high as 25 mph. Chance of precipitation is 80%.
Wednesday Night
A 20 percent chance of showers before midnight. Mostly cloudy, with a low around 50.
Thursday
A 30 percent chance of showers, mainly after noon. Mostly cloudy, with a high near 56.
Thursday Night
A chance of rain. Mostly cloudy, with a low around 44.
Friday
A chance of rain before noon. Mostly cloudy, with a high near 53.
Friday Night
Mostly cloudy, with a low around 40.
Saturday
Partly sunny, with a high near 54.
Saturday Night
Mostly cloudy, with a low around 38.
Sunday
Partly sunny, with a high near 56.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Mount Prospect IL
 42.06°N 87.93°W
Last Update:
12:21 pm CST Nov 2, 2026
Forecast Valid:
2pm CST Nov 2, 2026-6pm CST Nov 8, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation