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

38°F

3°C

Humidity 89%
Wind Speed Calm
Barometer 30.41 in (1030.3 mb)
Dewpoint 35°F (2°C)
Visibility 10.00 mi
Last update 11 Apr 4:53 am CDT
Extended Forecast for

Westmont IL

  • Today

    Today: Patchy fog before 8am. Otherwise, increasing clouds, with a high near 59. East wind 5 to 10 mph, with gusts as high as 15 mph.

    High: 59 °F

    Patchy Fog
    then Partly
    Sunny

  • Tonight

    Tonight: A 30 percent chance of showers, mainly between 9pm and midnight. Mostly cloudy, with a low around 51. East southeast wind 10 to 15 mph becoming south after midnight. Winds could gust as high as 20 mph.

    Low: 51 °F

    Chance
    Showers

  • Sunday

    Sunday: Scattered showers, with thunderstorms also possible after 1pm. Mostly cloudy, with a high near 76. Breezy, with a south southwest wind 15 to 25 mph, with gusts as high as 35 mph. Chance of precipitation is 50%.

    High: 76 °F

    Scattered
    Showers and
    Breezy

  • Sunday Night

    Sunday Night: Showers and possibly a thunderstorm. Low around 63. Breezy, with a south southwest wind 15 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 80%.

    Low: 63 °F

    Showers and
    Breezy

  • Monday

    Monday: A chance of showers and thunderstorms before 10am, then a chance of showers between 10am and 1pm, then a slight chance of showers and thunderstorms after 1pm. Mostly cloudy, with a high near 78. Southwest wind around 15 mph, with gusts as high as 25 mph. Chance of precipitation is 30%.

    High: 78 °F

    Chance
    Showers

  • Monday Night

    Monday Night: A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 66.

    Low: 66 °F

    Chance
    T-storms

  • Tuesday

    Tuesday: A 50 percent chance of showers and thunderstorms, mainly after 1pm. Partly sunny, with a high near 82.

    High: 82 °F

    Slight Chance
    T-storms then
    Chance
    T-storms

  • Tuesday Night

    Tuesday Night: Showers likely and possibly a thunderstorm before 1am, then a chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 65.

    Low: 65 °F

    Showers
    Likely

  • Wednesday

    Wednesday: A chance of showers, then showers likely and possibly a thunderstorm after 1pm. Mostly cloudy, with a high near 78.

    High: 78 °F

    Showers
    Likely

Detailed Forecast

Today
Patchy fog before 8am. Otherwise, increasing clouds, with a high near 59. East wind 5 to 10 mph, with gusts as high as 15 mph.
Tonight
A 30 percent chance of showers, mainly between 9pm and midnight. Mostly cloudy, with a low around 51. East southeast wind 10 to 15 mph becoming south after midnight. Winds could gust as high as 20 mph.
Sunday
Scattered showers, with thunderstorms also possible after 1pm. Mostly cloudy, with a high near 76. Breezy, with a south southwest wind 15 to 25 mph, with gusts as high as 35 mph. Chance of precipitation is 50%.
Sunday Night
Showers and possibly a thunderstorm. Low around 63. Breezy, with a south southwest wind 15 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 80%.
Monday
A chance of showers and thunderstorms before 10am, then a chance of showers between 10am and 1pm, then a slight chance of showers and thunderstorms after 1pm. Mostly cloudy, with a high near 78. Southwest wind around 15 mph, with gusts as high as 25 mph. Chance of precipitation is 30%.
Monday Night
A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 66.
Tuesday
A 50 percent chance of showers and thunderstorms, mainly after 1pm. Partly sunny, with a high near 82.
Tuesday Night
Showers likely and possibly a thunderstorm before 1am, then a chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 65.
Wednesday
A chance of showers, then showers likely and possibly a thunderstorm after 1pm. Mostly cloudy, with a high near 78.
Wednesday Night
Showers likely, mainly before 1am. Mostly cloudy, with a low around 61.
Thursday
A chance of showers. Partly sunny, with a high near 78.
Thursday Night
A chance of showers. Partly cloudy, with a low around 59.
Friday
A chance of showers. Partly sunny, with a high near 77.
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ABOUT THIS FORECAST

 
Point Forecast:
Westmont IL
 41.8°N 87.97°W
Last Update:
3:06 am CDT Apr 11, 2026
Forecast Valid:
5am CDT Apr 11, 2026-6pm CDT Apr 17, 2026
 
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