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.

A Few Clouds

40°F

4°C

Humidity 65%
Wind Speed Calm
Barometer 30.25 in (1024.9 mb)
Dewpoint 29°F (-2°C)
Visibility 10.00 mi
Last update 19 Apr 10:52 pm CDT
Extended Forecast for

Prospect Heights IL

Freeze Warning April 20, 12:00am until April 20, 09:00am
Click here for hazard details and duration
Freeze Warning

  • Tonight

    Tonight: Widespread frost, mainly after 2am. Otherwise, mostly clear, with a low around 31. North northeast wind around 5 mph becoming calm.

    Low: 31 °F

    Frost

  • Monday

    Monday: Widespread frost, mainly before 8am. Otherwise, sunny, with a high near 52. Light and variable wind becoming south southeast 5 to 10 mph in the morning.

    High: 52 °F

    Frost then
    Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 44. South southeast wind around 10 mph, with gusts as high as 20 mph.

    Low: 44 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 73. Southwest wind around 15 mph, with gusts as high as 25 mph.

    High: 73 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 49. West southwest wind around 5 mph becoming north after midnight. Winds could gust as high as 15 mph.

    Low: 49 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Sunny, with a high near 70.

    High: 70 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 54.

    Low: 54 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 79. Breezy.

    High: 79 °F

    Mostly Sunny
    then Mostly
    Sunny and
    Breezy

  • Thursday Night

    Thursday Night: Showers likely, mainly after 1am. Mostly cloudy, with a low around 60.

    Low: 60 °F

    Showers
    Likely

Detailed Forecast

Tonight
Widespread frost, mainly after 2am. Otherwise, mostly clear, with a low around 31. North northeast wind around 5 mph becoming calm.
Monday
Widespread frost, mainly before 8am. Otherwise, sunny, with a high near 52. Light and variable wind becoming south southeast 5 to 10 mph in the morning.
Monday Night
Mostly cloudy, with a low around 44. South southeast wind around 10 mph, with gusts as high as 20 mph.
Tuesday
Mostly sunny, with a high near 73. Southwest wind around 15 mph, with gusts as high as 25 mph.
Tuesday Night
Partly cloudy, with a low around 49. West southwest wind around 5 mph becoming north after midnight. Winds could gust as high as 15 mph.
Wednesday
Sunny, with a high near 70.
Wednesday Night
Partly cloudy, with a low around 54.
Thursday
Mostly sunny, with a high near 79. Breezy.
Thursday Night
Showers likely, mainly after 1am. Mostly cloudy, with a low around 60.
Friday
A chance of showers. Mostly cloudy, with a high near 72.
Friday Night
A chance of showers. Mostly cloudy, with a low around 47.
Saturday
Partly sunny, with a high near 63.
Saturday Night
Mostly cloudy, with a low around 44.
Sunday
Partly sunny, with a high near 61.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Prospect Heights IL
 42.11°N 87.92°W
Last Update:
9:21 pm CDT Apr 19, 2026
Forecast Valid:
11pm CDT Apr 19, 2026-6pm CDT Apr 26, 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