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.

Fair

39°F

4°C

Humidity 67%
Wind Speed N 7 mph
Barometer 30.24 in (1024.5 mb)
Dewpoint 29°F (-2°C)
Visibility 10.00 mi
Wind Chill34°F (1°C)
Last update 23 Dec 9:52 pm CST
Extended Forecast for

Prospect Heights IL

  • Tonight

    Tonight: Partly cloudy, with a low around 30. North wind around 5 mph becoming east northeast after midnight.

    Low: 30 °F

    Partly Cloudy

  • Wednesday

    Wednesday: A slight chance of drizzle between 3pm and 5pm, then a chance of rain or drizzle after 5pm. Patchy fog after 3pm. Otherwise, mostly cloudy, with a high near 42. East wind 5 to 10 mph becoming south southeast in the afternoon. Winds could gust as high as 15 mph. Chance of precipitation is 40%.

    High: 42 °F

    Partly Sunny
    then Chance
    Rain and
    Patchy Fog

  • Wednesday Night

    Wednesday Night: Rain or drizzle likely before midnight, then a slight chance of drizzle after midnight. Patchy fog. Otherwise, cloudy, with a low around 36. Calm wind becoming north around 5 mph after midnight. Winds could gust as high as 15 mph. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 36 °F

    Rain Likely
    and Patchy
    Fog

  • Christmas Day

    Christmas Day: Cloudy, with a high near 40. Northeast wind 5 to 10 mph, with gusts as high as 15 mph.

    High: 40 °F

    Cloudy

  • Thursday Night

    Thursday Night: Rain, mainly after midnight. Low around 37. Southeast wind around 10 mph, with gusts as high as 15 mph. Chance of precipitation is 80%.

    Low: 37 °F

    Slight Chance
    Rain then
    Rain

  • Friday

    Friday: A 50 percent chance of rain before noon. Cloudy, with a high near 49.

    High: 49 °F

    Chance Rain
    then Mostly
    Cloudy

  • Friday Night

    Friday Night: Cloudy, with a low around 39.

    Low: 39 °F

    Cloudy

  • Saturday

    Saturday: Cloudy, with a high near 49.

    High: 49 °F

    Cloudy

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 29.

    Low: 29 °F

    Mostly Cloudy

Detailed Forecast

Tonight
Partly cloudy, with a low around 30. North wind around 5 mph becoming east northeast after midnight.
Wednesday
A slight chance of drizzle between 3pm and 5pm, then a chance of rain or drizzle after 5pm. Patchy fog after 3pm. Otherwise, mostly cloudy, with a high near 42. East wind 5 to 10 mph becoming south southeast in the afternoon. Winds could gust as high as 15 mph. Chance of precipitation is 40%.
Wednesday Night
Rain or drizzle likely before midnight, then a slight chance of drizzle after midnight. Patchy fog. Otherwise, cloudy, with a low around 36. Calm wind becoming north around 5 mph after midnight. Winds could gust as high as 15 mph. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.
Christmas Day
Cloudy, with a high near 40. Northeast wind 5 to 10 mph, with gusts as high as 15 mph.
Thursday Night
Rain, mainly after midnight. Low around 37. Southeast wind around 10 mph, with gusts as high as 15 mph. Chance of precipitation is 80%.
Friday
A 50 percent chance of rain before noon. Cloudy, with a high near 49.
Friday Night
Cloudy, with a low around 39.
Saturday
Cloudy, with a high near 49.
Saturday Night
Mostly cloudy, with a low around 29.
Sunday
Mostly sunny, with a high near 36. Breezy.
Sunday Night
Partly cloudy, with a low around 10. Blustery.
Monday
Sunny, with a high near 23. Blustery.
Monday Night
Mostly clear, with a low around 14.
Tuesday
Mostly sunny, with a high near 29.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Prospect Heights IL
 42.11°N 87.92°W
Last Update:
7:51 pm CST Dec 23, 2025
Forecast Valid:
10pm CST Dec 23, 2025-6pm CST Dec 30, 2025
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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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