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.

Overcast

52°F

11°C

Humidity 89%
Wind Speed S 16 mph
Barometer 29.50 in (999.0 mb)
Dewpoint 49°F (9°C)
Visibility 10.00 mi
Wind Chill47°F (8°C)
Last update 18 Feb 2:52 am CST
Extended Forecast for

Prospect Heights IL

  • Overnight

    Overnight: A chance of showers and thunderstorms before 4am, then a slight chance of showers. Cloudy, with a steady temperature around 52. South wind around 15 mph, with gusts as high as 30 mph. Chance of precipitation is 30%.

    Low: 52 °F

    Chance
    Showers

  • Wednesday

    Wednesday: Mostly cloudy through mid morning, then gradual clearing, with a high near 65. Breezy, with a west southwest wind 15 to 25 mph, with gusts as high as 40 mph.

    High: 65 °F

    Becoming
    Sunny and
    Breezy

  • Wednesday Night

    Wednesday Night: Increasing clouds, with a low around 41. Southwest wind 5 to 15 mph becoming south southeast after midnight. Winds could gust as high as 20 mph.

    Low: 41 °F

    Increasing
    Clouds

  • Thursday

    Thursday: A 50 percent chance of rain, mainly after noon. Mostly cloudy, with a high near 59. East southeast wind 5 to 10 mph, with gusts as high as 15 mph.

    High: 59 °F

    Slight Chance
    Rain then
    Chance Rain

  • Thursday Night

    Thursday Night: Rain likely and possibly a thunderstorm. Mostly cloudy, with a low around 35. East southeast wind 10 to 15 mph becoming west southwest after midnight. Winds could gust as high as 25 mph. Chance of precipitation is 70%.

    Low: 35 °F

    Rain Likely

  • Friday

    Friday: A slight chance of rain before 9am, then a slight chance of snow between 9am and noon. Mostly cloudy, with a high near 43. Breezy. Chance of precipitation is 20%.

    High: 43 °F

    Breezy.
    Slight Chance
    Rain/Snow
    then Partly
    Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 25.

    Low: 25 °F

    Partly Cloudy

  • Saturday

    Saturday: Partly sunny, with a high near 37.

    High: 37 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: A chance of snow. Mostly cloudy, with a low around 24.

    Low: 24 °F

    Chance Snow

Detailed Forecast

Overnight
A chance of showers and thunderstorms before 4am, then a slight chance of showers. Cloudy, with a steady temperature around 52. South wind around 15 mph, with gusts as high as 30 mph. Chance of precipitation is 30%.
Wednesday
Mostly cloudy through mid morning, then gradual clearing, with a high near 65. Breezy, with a west southwest wind 15 to 25 mph, with gusts as high as 40 mph.
Wednesday Night
Increasing clouds, with a low around 41. Southwest wind 5 to 15 mph becoming south southeast after midnight. Winds could gust as high as 20 mph.
Thursday
A 50 percent chance of rain, mainly after noon. Mostly cloudy, with a high near 59. East southeast wind 5 to 10 mph, with gusts as high as 15 mph.
Thursday Night
Rain likely and possibly a thunderstorm. Mostly cloudy, with a low around 35. East southeast wind 10 to 15 mph becoming west southwest after midnight. Winds could gust as high as 25 mph. Chance of precipitation is 70%.
Friday
A slight chance of rain before 9am, then a slight chance of snow between 9am and noon. Mostly cloudy, with a high near 43. Breezy. Chance of precipitation is 20%.
Friday Night
Partly cloudy, with a low around 25.
Saturday
Partly sunny, with a high near 37.
Saturday Night
A chance of snow. Mostly cloudy, with a low around 24.
Sunday
Mostly cloudy, with a high near 33.
Sunday Night
Mostly cloudy, with a low around 19.
Monday
Mostly sunny, with a high near 32.
Monday Night
Partly cloudy, with a low around 20.
Tuesday
Mostly cloudy, with a high near 36.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Prospect Heights IL
 42.11°N 87.92°W
Last Update:
3:11 am CST Feb 18, 2026
Forecast Valid:
3am CST Feb 18, 2026-6pm CST Feb 24, 2026
 
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