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

Chicago, Chicago Midway Airport (KMDW)

Lat: 41.78°NLon: 87.76°WElev: 617ft.

A Few Clouds

29°F

-2°C

Humidity 41%
Wind Speed N 8 mph
Barometer 30.39 in (1030.6 mb)
Dewpoint 8°F (-13°C)
Visibility 10.00 mi
Wind Chill21°F (-6°C)
Last update 23 Feb 3:53 pm CST
Extended Forecast for

Westmont IL

  • Tonight

    Tonight: Increasing clouds, with a low around 19. Light and variable wind becoming south 5 to 10 mph after midnight.

    Low: 19 °F

    Increasing
    Clouds

  • Tuesday

    Tuesday: Cloudy, with a high near 42. Breezy, with a south wind 10 to 15 mph increasing to 20 to 25 mph in the afternoon. Winds could gust as high as 40 mph.

    High: 42 °F

    Cloudy and
    Breezy

  • Tuesday Night

    Tuesday Night: Cloudy during the early evening, then gradual clearing, with a low around 25. West northwest wind around 15 mph, with gusts as high as 25 mph.

    Low: 25 °F

    Gradual
    Clearing

  • Wednesday

    Wednesday: Sunny, with a high near 35. West northwest wind 5 to 15 mph.

    High: 35 °F

    Sunny

  • Wednesday Night

    Wednesday Night: A 40 percent chance of snow. Mostly cloudy, with a low around 25. West northwest wind around 5 mph becoming northeast after midnight. Winds could gust as high as 15 mph.

    Low: 25 °F

    Chance Snow

  • Thursday

    Thursday: A 30 percent chance of snow before noon. Mostly sunny, with a high near 41.

    High: 41 °F

    Chance Snow
    then Partly
    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 28.

    Low: 28 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 55.

    High: 55 °F

    Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 33.

    Low: 33 °F

    Partly Cloudy

Detailed Forecast

Tonight
Increasing clouds, with a low around 19. Light and variable wind becoming south 5 to 10 mph after midnight.
Tuesday
Cloudy, with a high near 42. Breezy, with a south wind 10 to 15 mph increasing to 20 to 25 mph in the afternoon. Winds could gust as high as 40 mph.
Tuesday Night
Cloudy during the early evening, then gradual clearing, with a low around 25. West northwest wind around 15 mph, with gusts as high as 25 mph.
Wednesday
Sunny, with a high near 35. West northwest wind 5 to 15 mph.
Wednesday Night
A 40 percent chance of snow. Mostly cloudy, with a low around 25. West northwest wind around 5 mph becoming northeast after midnight. Winds could gust as high as 15 mph.
Thursday
A 30 percent chance of snow before noon. Mostly sunny, with a high near 41.
Thursday Night
Mostly clear, with a low around 28.
Friday
Sunny, with a high near 55.
Friday Night
Partly cloudy, with a low around 33.
Saturday
Partly sunny, with a high near 44.
Saturday Night
Mostly cloudy, with a low around 23.
Sunday
A chance of snow. Partly sunny, with a high near 33.
Sunday Night
A chance of snow. Mostly cloudy, with a low around 22.
Monday
A chance of snow. Mostly cloudy, with a high near 34.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Westmont IL
 41.8°N 87.97°W
Last Update:
3:11 pm CST Feb 23, 2026
Forecast Valid:
4pm CST Feb 23, 2026-6pm CST Mar 2, 2026
 
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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