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 17 G 24 mph
Barometer 29.55 in (1000.6 mb)
Dewpoint 49°F (9°C)
Visibility 10.00 mi
Wind Chill47°F (8°C)
Last update 18 Feb 1:52 am CST
Extended Forecast for

Mount Prospect IL

  • Overnight

    Overnight: A chance of showers and thunderstorms before 4am, then a slight chance of showers. Cloudy, with a steady temperature around 53. South wind around 15 mph, with gusts as high as 30 mph. Chance of precipitation is 30%.

    Low: 53 °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. 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 38.

    High: 38 °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 53. 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. 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 38.
Saturday Night
A chance of snow. Mostly cloudy, with a low around 24.
Sunday
Mostly cloudy, with a high near 34.
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:
Mount Prospect IL
 42.06°N 87.93°W
Last Update:
1:11 am CST Feb 18, 2026
Forecast Valid:
2am CST Feb 18, 2026-6pm CST Feb 24, 2026
 
Forecast Discussion
 
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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