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.

Overcast

42°F

6°C

Humidity 79%
Wind Speed W 15 G 25 mph
Barometer 29.91 in (1012.9 mb)
Dewpoint 36°F (2°C)
Visibility 10.00 mi
Wind Chill34°F (1°C)
Last update 7 Mar 6:53 pm CST
Extended Forecast for

Westmont IL

  • Tonight

    Tonight: Cloudy during the early evening, then gradual clearing, with a low around 33. West wind 10 to 15 mph, with gusts as high as 25 mph.

    Low: 33 °F

    Gradual
    Clearing

  • Sunday

    Sunday: Sunny, with a high near 61. Breezy, with a southwest wind 15 to 20 mph, with gusts as high as 30 mph.

    High: 61 °F

    Sunny and
    Breezy

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 47. Southwest wind around 15 mph, with gusts as high as 30 mph.

    Low: 47 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 70. Southwest wind 10 to 15 mph, with gusts as high as 25 mph.

    High: 70 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 49. South southwest wind around 10 mph, with gusts as high as 15 mph.

    Low: 49 °F

    Mostly Clear

  • Tuesday

    Tuesday: A 50 percent chance of showers and thunderstorms after noon. Partly sunny, with a high near 68.

    High: 68 °F

    Mostly Sunny
    then Chance
    T-storms

  • Tuesday Night

    Tuesday Night: Showers and possibly a thunderstorm. Low around 42. Chance of precipitation is 90%.

    Low: 42 °F

    Showers

  • Wednesday

    Wednesday: Showers, mainly before noon. Cloudy, with a high near 48.

    High: 48 °F

    Showers

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 28.

    Low: 28 °F

    Partly Cloudy

Detailed Forecast

Tonight
Cloudy during the early evening, then gradual clearing, with a low around 33. West wind 10 to 15 mph, with gusts as high as 25 mph.
Sunday
Sunny, with a high near 61. Breezy, with a southwest wind 15 to 20 mph, with gusts as high as 30 mph.
Sunday Night
Mostly clear, with a low around 47. Southwest wind around 15 mph, with gusts as high as 30 mph.
Monday
Sunny, with a high near 70. Southwest wind 10 to 15 mph, with gusts as high as 25 mph.
Monday Night
Mostly clear, with a low around 49. South southwest wind around 10 mph, with gusts as high as 15 mph.
Tuesday
A 50 percent chance of showers and thunderstorms after noon. Partly sunny, with a high near 68.
Tuesday Night
Showers and possibly a thunderstorm. Low around 42. Chance of precipitation is 90%.
Wednesday
Showers, mainly before noon. Cloudy, with a high near 48.
Wednesday Night
Partly cloudy, with a low around 28.
Thursday
Partly sunny, with a high near 46.
Thursday Night
A chance of rain and snow showers. Mostly cloudy, with a low around 37. Breezy.
Friday
Mostly cloudy, with a high near 58. Breezy.
Friday Night
Mostly cloudy, with a low around 31.
Saturday
Mostly cloudy, with a high near 44.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Westmont IL
 41.8°N 87.97°W
Last Update:
7:06 pm CST Mar 7, 2026
Forecast Valid:
7pm CST Mar 7, 2026-6pm CDT Mar 14, 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