Current conditions at

Chicago / Wheeling, Pal-Waukee Airport (KPWK)

Lat: 42.12°NLon: 87.9°WElev: 646ft.

Overcast

78°F

26°C

Humidity 79%
Wind Speed E 8 mph
Barometer 30.11 in (1019.0 mb)
Dewpoint 71°F (22°C)
Visibility 10.00 mi
Heat Index80°F (27°C)
Last update 14 Aug 12:52 pm CDT
Extended Forecast for

Prospect Heights IL

Flood Watch August 14, 10:00pm until August 15, 10:00am
Click here for hazard details and duration
Flood Watch
  • This Afternoon

    This Afternoon: A 20 percent chance of showers.  Partly sunny, with a high near 79. East northeast wind around 10 mph, with gusts as high as 15 mph.

    High: 79 °F

    Slight Chance
    Showers

  • Tonight

    Tonight: A chance of showers before midnight, then a chance of showers and thunderstorms between midnight and 4am, then showers likely and possibly a thunderstorm after 4am.  Mostly cloudy, with a low around 69. Northeast wind around 5 mph becoming southeast after midnight. Winds could gust as high as 10 mph.  Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 69 °F

    Chance
    Showers then
    Showers
    Likely

  • Saturday

    Saturday: Showers and thunderstorms, mainly before 1pm.  High near 84. South southeast wind around 10 mph.  Chance of precipitation is 90%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 84 °F

    Showers then
    Chance
    Showers

  • Saturday Night

    Saturday Night: A 30 percent chance of showers and thunderstorms, mainly after 4am.  Mostly cloudy, with a low around 72. West southwest wind 5 to 10 mph.

    Low: 72 °F

    Mostly Cloudy
    then Chance
    T-storms

  • Sunday

    Sunday: A 30 percent chance of showers and thunderstorms, mainly before 1pm.  Partly sunny, with a high near 84. West northwest wind around 10 mph, with gusts as high as 20 mph.

    High: 84 °F

    Chance
    T-storms

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 66.

    Low: 66 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 80.

    High: 80 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 64.

    Low: 64 °F

    Mostly Clear

  • Tuesday

    Tuesday: Mostly sunny, with a high near 83.

    High: 83 °F

    Mostly Sunny

Detailed Forecast

This Afternoon
A 20 percent chance of showers. Partly sunny, with a high near 79. East northeast wind around 10 mph, with gusts as high as 15 mph.
Tonight
A chance of showers before midnight, then a chance of showers and thunderstorms between midnight and 4am, then showers likely and possibly a thunderstorm after 4am. Mostly cloudy, with a low around 69. Northeast wind around 5 mph becoming southeast after midnight. Winds could gust as high as 10 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Saturday
Showers and thunderstorms, mainly before 1pm. High near 84. South southeast wind around 10 mph. Chance of precipitation is 90%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Saturday Night
A 30 percent chance of showers and thunderstorms, mainly after 4am. Mostly cloudy, with a low around 72. West southwest wind 5 to 10 mph.
Sunday
A 30 percent chance of showers and thunderstorms, mainly before 1pm. Partly sunny, with a high near 84. West northwest wind around 10 mph, with gusts as high as 20 mph.
Sunday Night
Partly cloudy, with a low around 66.
Monday
Mostly sunny, with a high near 80.
Monday Night
Mostly clear, with a low around 64.
Tuesday
Mostly sunny, with a high near 83.
Tuesday Night
A chance of showers, with thunderstorms also possible after 1am. Mostly cloudy, with a low around 67.
Wednesday
A chance of showers. Mostly cloudy, with a high near 80.
Wednesday Night
Partly cloudy, with a low around 62.
Thursday
Mostly sunny, with a high near 74.
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ABOUT THIS FORECAST

 
Point Forecast:
Prospect Heights IL
 42.11°N 87.92°W
1:21 pm CDT Aug 14, 2026
1pm CDT Aug 14, 2026-6pm CDT Aug 20, 2026
 
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Additional Resources

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Hourly Weather Forecast

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