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.

Light Rain

35°F

2°C

Humidity 89%
Wind Speed S 10 mph
Barometer 29.55 in (1001.5 mb)
Dewpoint 32°F (0°C)
Visibility 9.00 mi
Wind Chill27°F (-3°C)
Last update 9 Dec 6:52 pm CST
Extended Forecast for

Mount Prospect IL

  • Tonight

    Tonight: Rain before 5am, then snow likely, possibly mixed with rain. Low around 31. Breezy, with a south wind 15 to 20 mph becoming west after midnight. Winds could gust as high as 35 mph. Chance of precipitation is 100%. Little or no snow accumulation expected.

    Low: 31 °F

    Breezy. Rain
    then
    Rain/Snow
    Likely

  • Wednesday

    Wednesday: Snow, possibly mixed with rain, becoming all snow after 7am. Temperature falling to around 26 by 3pm. Breezy, with a northwest wind 15 to 20 mph, with gusts as high as 35 mph. Chance of precipitation is 90%. New snow accumulation of less than a half inch possible.

    High: 33 °F⇓

    Breezy.
    Rain/Snow
    then Slight
    Chance Snow

  • Wednesday Night

    Wednesday Night: A 20 percent chance of snow before midnight. Cloudy during the early evening, then gradual clearing, with a low around 13. Northwest wind 5 to 10 mph, with gusts as high as 20 mph.

    Low: 13 °F

    Slight Chance
    Snow then
    Partly Cloudy

  • Thursday

    Thursday: Increasing clouds, with a high near 24. West wind around 5 mph, with gusts as high as 10 mph.

    High: 24 °F

    Increasing
    Clouds

  • Thursday Night

    Thursday Night: A 50 percent chance of snow. Cloudy, with a low around 19. Southwest wind around 5 mph becoming north after midnight. Winds could gust as high as 10 mph.

    Low: 19 °F

    Chance Snow

  • Friday

    Friday: A 50 percent chance of snow. Mostly cloudy, with a high near 29.

    High: 29 °F

    Chance Snow

  • Friday Night

    Friday Night: A 20 percent chance of snow before midnight. Mostly cloudy, with a low around 8.

    Low: 8 °F

    Slight Chance
    Snow then
    Mostly Cloudy

  • Saturday

    Saturday: Snow likely, mainly after noon. Mostly cloudy, with a high near 14.

    High: 14 °F

    Snow Likely

  • Saturday Night

    Saturday Night: A chance of snow before midnight. Mostly cloudy, with a low around -3.

    Low: -3 °F

    Chance Snow
    then Partly
    Cloudy

Detailed Forecast

Tonight
Rain before 5am, then snow likely, possibly mixed with rain. Low around 31. Breezy, with a south wind 15 to 20 mph becoming west after midnight. Winds could gust as high as 35 mph. Chance of precipitation is 100%. Little or no snow accumulation expected.
Wednesday
Snow, possibly mixed with rain, becoming all snow after 7am. Temperature falling to around 26 by 3pm. Breezy, with a northwest wind 15 to 20 mph, with gusts as high as 35 mph. Chance of precipitation is 90%. New snow accumulation of less than a half inch possible.
Wednesday Night
A 20 percent chance of snow before midnight. Cloudy during the early evening, then gradual clearing, with a low around 13. Northwest wind 5 to 10 mph, with gusts as high as 20 mph.
Thursday
Increasing clouds, with a high near 24. West wind around 5 mph, with gusts as high as 10 mph.
Thursday Night
A 50 percent chance of snow. Cloudy, with a low around 19. Southwest wind around 5 mph becoming north after midnight. Winds could gust as high as 10 mph.
Friday
A 50 percent chance of snow. Mostly cloudy, with a high near 29.
Friday Night
A 20 percent chance of snow before midnight. Mostly cloudy, with a low around 8.
Saturday
Snow likely, mainly after noon. Mostly cloudy, with a high near 14.
Saturday Night
A chance of snow before midnight. Mostly cloudy, with a low around -3.
Sunday
Mostly sunny and cold, with a high near 9.
Sunday Night
Partly cloudy, with a low around 1.
Monday
Mostly cloudy, with a high near 22.
Monday Night
Mostly cloudy, with a low around 12.
Tuesday
Partly sunny, with a high near 28.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Mount Prospect IL
 42.06°N 87.93°W
Last Update:
3:11 pm CST Dec 9, 2025
Forecast Valid:
7pm CST Dec 9, 2025-6pm CST Dec 16, 2025
 
Forecast Discussion
 
Get as KML Get as XML

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