National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce
Current conditions at

Chicago, Chicago-O'Hare International Airport (KORD)

Lat: 41.98°NLon: 87.9°WElev: 666ft.

Mostly Cloudy

18°F

-8°C

Humidity 68%
Wind Speed N 15 mph
Barometer 30.29 in (1026.8 mb)
Dewpoint 9°F (-13°C)
Visibility 10.00 mi
Wind Chill4°F (-16°C)
Last update 7 Dec 7:51 pm CST
Extended Forecast for

Mount Prospect IL

  • Tonight

    Tonight: Scattered snow showers, mainly before 1am. Mostly cloudy, with a low around 16. North wind 5 to 10 mph becoming light northeast after midnight. Chance of precipitation is 50%.

    Low: 16 °F

    Scattered
    Snow Showers

  • Monday

    Monday: Partly sunny, with a high near 24. East northeast wind 5 to 10 mph becoming south in the afternoon.

    High: 24 °F

    Partly Sunny

  • Monday Night

    Monday Night: A 20 percent chance of snow after midnight. Mostly cloudy, with a temperature falling to near 17 by 8pm, then rising to around 26 during the remainder of the night. South wind 5 to 15 mph, with gusts as high as 25 mph.

    Low: 17 °F⇑

    Mostly Cloudy
    then Slight
    Chance Snow

  • Tuesday

    Tuesday: A slight chance of snow between noon and 3pm, then a slight chance of rain after 3pm. Cloudy, with a high near 36. West southwest wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 20%.

    High: 36 °F

    Cloudy then
    Slight Chance
    Rain/Snow

  • Tuesday Night

    Tuesday Night: Rain and snow, becoming all rain after 9pm. Low around 34. Breezy, with a south southwest wind 10 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 80%.

    Low: 34 °F

    Rain/Snow
    then Rain
    Likely and
    Breezy

  • Wednesday

    Wednesday: A chance of rain and snow before noon, then a slight chance of snow. Mostly cloudy, with a high near 36. Chance of precipitation is 50%.

    High: 36 °F

    Chance
    Rain/Snow
    then Slight
    Chance Snow

  • Wednesday Night

    Wednesday Night: A 20 percent chance of snow. Mostly cloudy, with a low around 18.

    Low: 18 °F

    Slight Chance
    Snow

  • Thursday

    Thursday: A chance of snow. Partly sunny, with a high near 25.

    High: 25 °F

    Chance Snow

  • Thursday Night

    Thursday Night: A chance of snow. Mostly cloudy, with a low around 10.

    Low: 10 °F

    Chance Snow

Detailed Forecast

Tonight
Scattered snow showers, mainly before 1am. Mostly cloudy, with a low around 16. North wind 5 to 10 mph becoming light northeast after midnight. Chance of precipitation is 50%.
Monday
Partly sunny, with a high near 24. East northeast wind 5 to 10 mph becoming south in the afternoon.
Monday Night
A 20 percent chance of snow after midnight. Mostly cloudy, with a temperature falling to near 17 by 8pm, then rising to around 26 during the remainder of the night. South wind 5 to 15 mph, with gusts as high as 25 mph.
Tuesday
A slight chance of snow between noon and 3pm, then a slight chance of rain after 3pm. Cloudy, with a high near 36. West southwest wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 20%.
Tuesday Night
Rain and snow, becoming all rain after 9pm. Low around 34. Breezy, with a south southwest wind 10 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 80%.
Wednesday
A chance of rain and snow before noon, then a slight chance of snow. Mostly cloudy, with a high near 36. Chance of precipitation is 50%.
Wednesday Night
A 20 percent chance of snow. Mostly cloudy, with a low around 18.
Thursday
A chance of snow. Partly sunny, with a high near 25.
Thursday Night
A chance of snow. Mostly cloudy, with a low around 10.
Friday
A chance of snow. Mostly cloudy, with a high near 18.
Friday Night
A chance of snow. Mostly cloudy, with a low around 2.
Saturday
Partly sunny, with a high near 11.
Saturday Night
Mostly cloudy, with a low around 1.
Sunday
Partly sunny, with a high near 16.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Mount Prospect IL
 42.04°N 87.93°W
Last Update:
6:25 pm CST Dec 7, 2025
Forecast Valid:
8pm CST Dec 7, 2025-6pm CST Dec 14, 2025
 
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Additional Resources

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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