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

21°F

-6°C

Humidity 65%
Wind Speed S 8 mph
Barometer 30.37 in (1029.6 mb)
Dewpoint 11°F (-12°C)
Visibility 10.00 mi
Wind Chill11°F (-12°C)
Last update 8 Dec 9:51 am CST
Extended Forecast for

Rosemont IL

  • Today

    Today: Partly sunny, with a high near 25. South southeast wind 5 to 10 mph.

    High: 25 °F

    Partly Sunny

  • Tonight

    Tonight: A 20 percent chance of snow after midnight. Mostly cloudy, with a temperature rising to around 26 by 5am. South southwest wind 5 to 15 mph, with gusts as high as 30 mph.

    Low: 20 °F⇑

    Mostly Cloudy
    then Slight
    Chance Snow

  • Tuesday

    Tuesday: Cloudy, with a high near 37. Southwest wind 10 to 15 mph, with gusts as high as 30 mph.

    High: 37 °F

    Cloudy

  • Tuesday Night

    Tuesday Night: Rain. Low around 34. Breezy, with a south southwest wind 15 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 90%.

    Low: 34 °F

    Rain and
    Breezy

  • Wednesday

    Wednesday: Rain and snow likely, becoming all snow after 9am. Mostly cloudy, with a high near 38. Breezy, with a northwest wind 15 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 60%.

    High: 38 °F

    Breezy.
    Rain/Snow
    Likely then
    Chance Snow

  • Wednesday Night

    Wednesday Night: A 30 percent chance of snow, mainly before midnight. Mostly cloudy, with a low around 14.

    Low: 14 °F

    Chance Snow

  • Thursday

    Thursday: A 20 percent chance of snow. Partly sunny, with a high near 24.

    High: 24 °F

    Slight Chance
    Snow

  • Thursday Night

    Thursday Night: A chance of snow. Mostly cloudy, with a low around 12.

    Low: 12 °F

    Chance Snow

  • Friday

    Friday: A chance of snow. Mostly cloudy, with a high near 21.

    High: 21 °F

    Chance Snow

Detailed Forecast

Today
Partly sunny, with a high near 25. South southeast wind 5 to 10 mph.
Tonight
A 20 percent chance of snow after midnight. Mostly cloudy, with a temperature rising to around 26 by 5am. South southwest wind 5 to 15 mph, with gusts as high as 30 mph.
Tuesday
Cloudy, with a high near 37. Southwest wind 10 to 15 mph, with gusts as high as 30 mph.
Tuesday Night
Rain. Low around 34. Breezy, with a south southwest wind 15 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 90%.
Wednesday
Rain and snow likely, becoming all snow after 9am. Mostly cloudy, with a high near 38. Breezy, with a northwest wind 15 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 60%.
Wednesday Night
A 30 percent chance of snow, mainly before midnight. Mostly cloudy, with a low around 14.
Thursday
A 20 percent chance of snow. Partly sunny, with a high near 24.
Thursday Night
A chance of snow. Mostly cloudy, with a low around 12.
Friday
A chance of snow. Mostly cloudy, with a high near 21.
Friday Night
A chance of snow before midnight. Mostly cloudy, with a low around 2.
Saturday
Partly sunny, with a high near 11.
Saturday Night
Mostly cloudy, with a low around 3.
Sunday
Partly sunny, with a high near 18.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Rosemont IL
 41.97°N 87.87°W
Last Update:
9:11 am CST Dec 8, 2025
Forecast Valid:
10am CST Dec 8, 2025-6pm CST Dec 14, 2025
 
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