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.

Mostly Cloudy

47°F

8°C

Humidity 56%
Wind Speed W 9 mph
Barometer 30.17 in (1022.1 mb)
Dewpoint 32°F (0°C)
Visibility 10.00 mi
Wind Chill43°F (6°C)
Last update 5 Apr 10:53 pm CDT
Extended Forecast for

Westmont IL

  • Tonight

    Tonight: Showers, mainly before 3am. Low around 38. West southwest wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 38 °F

    Showers

  • Monday

    Monday: Partly sunny, with a high near 50. Northwest wind around 15 mph, with gusts as high as 30 mph.

    High: 50 °F

    Partly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 28. North wind 10 to 15 mph, with gusts as high as 20 mph.

    Low: 28 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 41. Northeast wind around 10 mph.

    High: 41 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 34. South southeast wind around 10 mph, with gusts as high as 15 mph.

    Low: 34 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Mostly cloudy, with a high near 65. Breezy.

    High: 65 °F

    Mostly Cloudy
    then Partly
    Sunny and
    Breezy

  • Wednesday Night

    Wednesday Night: A slight chance of showers, then a chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 54. Chance of precipitation is 40%.

    Low: 54 °F

    Chance
    Showers

  • Thursday

    Thursday: A chance of showers. Partly sunny, with a high near 69.

    High: 69 °F

    Chance
    Showers

  • Thursday Night

    Thursday Night: A chance of showers. Mostly cloudy, with a low around 46.

    Low: 46 °F

    Chance
    Showers

Detailed Forecast

Tonight
Showers, mainly before 3am. Low around 38. West southwest wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.
Monday
Partly sunny, with a high near 50. Northwest wind around 15 mph, with gusts as high as 30 mph.
Monday Night
Partly cloudy, with a low around 28. North wind 10 to 15 mph, with gusts as high as 20 mph.
Tuesday
Mostly sunny, with a high near 41. Northeast wind around 10 mph.
Tuesday Night
Mostly cloudy, with a low around 34. South southeast wind around 10 mph, with gusts as high as 15 mph.
Wednesday
Mostly cloudy, with a high near 65. Breezy.
Wednesday Night
A slight chance of showers, then a chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 54. Chance of precipitation is 40%.
Thursday
A chance of showers. Partly sunny, with a high near 69.
Thursday Night
A chance of showers. Mostly cloudy, with a low around 46.
Friday
A chance of showers. Partly sunny, with a high near 60.
Friday Night
A chance of showers. Mostly cloudy, with a low around 44.
Saturday
A chance of showers. Partly sunny, with a high near 63.
Saturday Night
A chance of showers. Mostly cloudy, with a low around 53.
Sunday
A chance of showers. Mostly cloudy, with a high near 76.
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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:
11:26 pm CDT Apr 5, 2026
Forecast Valid:
11pm CDT Apr 5, 2026-6pm CDT Apr 12, 2026
 
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Additional Resources

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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