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.

Mostly Cloudy

62°F

17°C

Humidity 90%
Wind Speed SW 13 mph
Barometer 29.74 in (1006.9 mb)
Dewpoint 59°F (15°C)
Visibility 10.00 mi
Last update 16 Apr 7:52 am CDT
Extended Forecast for

Prospect Heights IL

  • Today

    Today: Scattered showers and thunderstorms, mainly before 2pm. Partly sunny, with a high near 69. Southwest wind 10 to 15 mph becoming north northeast in the afternoon. Winds could gust as high as 20 mph. Chance of precipitation is 40%.

    High: 69 °F

    Scattered
    Showers

  • Tonight

    Tonight: Patchy fog after 10pm. Otherwise, mostly cloudy, with a low around 50. Northeast wind around 5 mph becoming southeast after midnight.

    Low: 50 °F

    Patchy Fog

  • Friday

    Friday: Areas of fog before 8am. Otherwise, partly sunny, with a high near 79. Breezy, with a south wind 5 to 10 mph increasing to 15 to 20 mph in the afternoon. Winds could gust as high as 30 mph.

    High: 79 °F

    Areas Fog
    then Partly
    Sunny and
    Breezy

  • Friday Night

    Friday Night: Showers and possibly a thunderstorm. Low around 46. South wind around 15 mph becoming west southwest after midnight. Winds could gust as high as 30 mph. Chance of precipitation is 90%.

    Low: 46 °F

    T-storms then
    Showers

  • Saturday

    Saturday: A 20 percent chance of showers before 1pm. Partly sunny, with a high near 54. Breezy, with a west wind 15 to 20 mph, with gusts as high as 30 mph.

    High: 54 °F

    Slight Chance
    Showers and
    Breezy

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 36.

    Low: 36 °F

    Mostly Clear

  • Sunday

    Sunday: Mostly sunny, with a high near 51.

    High: 51 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Areas of frost after 5am. Otherwise, mostly clear, with a low around 35.

    Low: 35 °F

    Partly Cloudy
    then Areas
    Frost

  • Monday

    Monday: Areas of frost before 7am. Otherwise, sunny, with a high near 58.

    High: 58 °F

    Areas Frost
    then Sunny

Detailed Forecast

Today
Scattered showers and thunderstorms, mainly before 2pm. Partly sunny, with a high near 69. Southwest wind 10 to 15 mph becoming north northeast in the afternoon. Winds could gust as high as 20 mph. Chance of precipitation is 40%.
Tonight
Patchy fog after 10pm. Otherwise, mostly cloudy, with a low around 50. Northeast wind around 5 mph becoming southeast after midnight.
Friday
Areas of fog before 8am. Otherwise, partly sunny, with a high near 79. Breezy, with a south wind 5 to 10 mph increasing to 15 to 20 mph in the afternoon. Winds could gust as high as 30 mph.
Friday Night
Showers and possibly a thunderstorm. Low around 46. South wind around 15 mph becoming west southwest after midnight. Winds could gust as high as 30 mph. Chance of precipitation is 90%.
Saturday
A 20 percent chance of showers before 1pm. Partly sunny, with a high near 54. Breezy, with a west wind 15 to 20 mph, with gusts as high as 30 mph.
Saturday Night
Mostly clear, with a low around 36.
Sunday
Mostly sunny, with a high near 51.
Sunday Night
Areas of frost after 5am. Otherwise, mostly clear, with a low around 35.
Monday
Areas of frost before 7am. Otherwise, sunny, with a high near 58.
Monday Night
Partly cloudy, with a low around 47.
Tuesday
Mostly sunny, with a high near 72.
Tuesday Night
Partly cloudy, with a low around 50.
Wednesday
Mostly sunny, with a high near 68.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Prospect Heights IL
 42.09°N 87.92°W
Last Update:
4:01 am CDT Apr 16, 2026
Forecast Valid:
8am CDT Apr 16, 2026-6pm CDT Apr 22, 2026
 
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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