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

Hazardous Weather Conditions

Current conditions at

Chicago / Wheeling, Pal-Waukee Airport (KPWK)

Lat: 42.12°NLon: 87.9°WElev: 646ft.

Light Rain

65°F

18°C

Humidity 97%
Wind Speed Calm
Barometer 29.90 in (1012.4 mb)
Dewpoint 64°F (18°C)
Visibility 10.00 mi
Last update 13 Oct 10:52 pm CDT
Extended Forecast for

Mount Prospect IL

  • Tonight

    Tonight: Showers and thunderstorms likely, mainly before 3am. Mostly cloudy, with a low around 60. North wind around 5 mph becoming calm after midnight. Winds could gust as high as 10 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 60 °F

    Showers
    Likely

  • Wednesday

    Wednesday: A slight chance of showers and thunderstorms before 1pm, then a slight chance of showers between 1pm and 2pm. Mostly cloudy, with a high near 66. North northeast wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 20%.

    High: 66 °F

    Slight Chance
    T-storms then
    Slight Chance
    Showers

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 56. Northeast wind around 10 mph, with gusts as high as 15 mph.

    Low: 56 °F

    Mostly Cloudy

  • Thursday

    Thursday: A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 7am. High near 62. East wind around 10 mph, with gusts as high as 15 mph. Chance of precipitation is 90%.

    High: 62 °F

    Showers

  • Thursday Night

    Thursday Night: Showers likely before 1am. Cloudy, with a low around 47. Breezy, with an east wind 5 to 10 mph becoming west northwest 15 to 20 mph after midnight. Winds could gust as high as 25 mph. Chance of precipitation is 70%.

    Low: 47 °F

    Showers
    Likely and
    Breezy

  • Friday

    Friday: Partly sunny, with a high near 57. Breezy.

    High: 57 °F

    Partly Sunny
    and Breezy

  • Friday Night

    Friday Night: Mostly clear, with a low around 38.

    Low: 38 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 59.

    High: 59 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 42.

    Low: 42 °F

    Mostly Clear

Detailed Forecast

Tonight
Showers and thunderstorms likely, mainly before 3am. Mostly cloudy, with a low around 60. North wind around 5 mph becoming calm after midnight. Winds could gust as high as 10 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Wednesday
A slight chance of showers and thunderstorms before 1pm, then a slight chance of showers between 1pm and 2pm. Mostly cloudy, with a high near 66. North northeast wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 20%.
Wednesday Night
Mostly cloudy, with a low around 56. Northeast wind around 10 mph, with gusts as high as 15 mph.
Thursday
A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 7am. High near 62. East wind around 10 mph, with gusts as high as 15 mph. Chance of precipitation is 90%.
Thursday Night
Showers likely before 1am. Cloudy, with a low around 47. Breezy, with an east wind 5 to 10 mph becoming west northwest 15 to 20 mph after midnight. Winds could gust as high as 25 mph. Chance of precipitation is 70%.
Friday
Partly sunny, with a high near 57. Breezy.
Friday Night
Mostly clear, with a low around 38.
Saturday
Sunny, with a high near 59.
Saturday Night
Mostly clear, with a low around 42.
Sunday
Sunny, with a high near 65.
Sunday Night
Mostly cloudy, with a low around 49.
Monday
Partly sunny, with a high near 67.
Monday Night
Mostly cloudy, with a low around 50.
Tuesday
Mostly sunny, with a high near 69.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Mount Prospect IL
 42.06°N 87.93°W
Last Update:
9:46 pm CDT Oct 13, 2026
Forecast Valid:
11pm CDT Oct 13, 2026-6pm CDT Oct 20, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation