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.

Fair

32°F

0°C

Humidity 50%
Wind Speed N 15 G 20 mph
Barometer 30.60 in (1037.3 mb)
Dewpoint 15°F (-9°C)
Visibility 10.00 mi
Wind Chill22°F (-6°C)
Last update 28 Mar 2:53 am CDT
Extended Forecast for

Westmont IL

  • Overnight

    Overnight: Clear, with a low around 27. North wind around 5 mph, with gusts as high as 10 mph.

    Low: 27 °F

    Clear

  • Saturday

    Saturday: Sunny, with a high near 48. North northeast wind 5 to 10 mph becoming south southwest 10 to 15 mph in the afternoon. Winds could gust as high as 25 mph.

    High: 48 °F

    Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 39. South southwest wind 10 to 15 mph, with gusts as high as 20 mph.

    Low: 39 °F

    Partly Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 63. South southwest wind around 15 mph, with gusts as high as 25 mph.

    High: 63 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 49. South southwest wind around 10 mph, with gusts as high as 20 mph.

    Low: 49 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 75.

    High: 75 °F

    Mostly Sunny

  • Monday Night

    Monday Night: A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 62.

    Low: 62 °F

    Chance
    T-storms

  • Tuesday

    Tuesday: A chance of showers, then showers and possibly a thunderstorm after 1pm. Mostly cloudy, with a high near 77. Breezy.

    High: 77 °F

    Showers and
    Breezy

  • Tuesday Night

    Tuesday Night: Showers likely, mainly before 1am. Mostly cloudy, with a low around 40.

    Low: 40 °F

    Showers
    Likely

Detailed Forecast

Overnight
Clear, with a low around 27. North wind around 5 mph, with gusts as high as 10 mph.
Saturday
Sunny, with a high near 48. North northeast wind 5 to 10 mph becoming south southwest 10 to 15 mph in the afternoon. Winds could gust as high as 25 mph.
Saturday Night
Partly cloudy, with a low around 39. South southwest wind 10 to 15 mph, with gusts as high as 20 mph.
Sunday
Partly sunny, with a high near 63. South southwest wind around 15 mph, with gusts as high as 25 mph.
Sunday Night
Partly cloudy, with a low around 49. South southwest wind around 10 mph, with gusts as high as 20 mph.
Monday
Mostly sunny, with a high near 75.
Monday Night
A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 62.
Tuesday
A chance of showers, then showers and possibly a thunderstorm after 1pm. Mostly cloudy, with a high near 77. Breezy.
Tuesday Night
Showers likely, mainly before 1am. Mostly cloudy, with a low around 40.
Wednesday
Mostly cloudy, with a high near 47.
Wednesday Night
Partly cloudy, with a low around 34.
Thursday
A chance of showers. Partly sunny, with a high near 48.
Thursday Night
A chance of showers. Mostly cloudy, with a low around 38.
Friday
A chance of showers. Mostly sunny, with a high near 59.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Westmont IL
 41.8°N 87.97°W
Last Update:
3:31 am CDT Mar 28, 2026
Forecast Valid:
3am CDT Mar 28, 2026-6pm CDT Apr 3, 2026
 
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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