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

57°F

14°C

Humidity 69%
Wind Speed SE 8 mph
Barometer 30.23 in (1023.6 mb)
Dewpoint 47°F (8°C)
Visibility 10.00 mi
Last update 16 Oct 7:53 am CDT
Extended Forecast for

Westmont IL

  • Today

    Today: A 20 percent chance of showers after 4pm. Mostly cloudy, with a high near 69. Southeast wind 5 to 10 mph.

    High: 69 °F

    Mostly Cloudy
    then Slight
    Chance
    Showers

  • Tonight

    Tonight: A 20 percent chance of showers after 4am. Mostly cloudy, with a low around 56. South wind 5 to 10 mph.

    Low: 56 °F

    Mostly Cloudy
    then Slight
    Chance
    Showers

  • Friday

    Friday: Partly sunny, with a high near 75. South wind 10 to 15 mph, with gusts as high as 25 mph.

    High: 75 °F

    Partly Sunny

  • Friday Night

    Friday Night: A 50 percent chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 62. South wind around 15 mph, with gusts as high as 25 mph.

    Low: 62 °F

    Mostly Cloudy
    then Chance
    T-storms

  • Saturday

    Saturday: Showers and possibly a thunderstorm. High near 72. Southwest wind 10 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 80%.

    High: 72 °F

    Showers

  • Saturday Night

    Saturday Night: Showers and possibly a thunderstorm. Low around 49. Chance of precipitation is 80%.

    Low: 49 °F

    Showers

  • Sunday

    Sunday: A 50 percent chance of showers, mainly before 1pm. Partly sunny, with a high near 58. Breezy.

    High: 58 °F

    Chance
    Showers and
    Breezy

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 44.

    Low: 44 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 65.

    High: 65 °F

    Sunny

Detailed Forecast

Today
A 20 percent chance of showers after 4pm. Mostly cloudy, with a high near 69. Southeast wind 5 to 10 mph.
Tonight
A 20 percent chance of showers after 4am. Mostly cloudy, with a low around 56. South wind 5 to 10 mph.
Friday
Partly sunny, with a high near 75. South wind 10 to 15 mph, with gusts as high as 25 mph.
Friday Night
A 50 percent chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 62. South wind around 15 mph, with gusts as high as 25 mph.
Saturday
Showers and possibly a thunderstorm. High near 72. Southwest wind 10 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 80%.
Saturday Night
Showers and possibly a thunderstorm. Low around 49. Chance of precipitation is 80%.
Sunday
A 50 percent chance of showers, mainly before 1pm. Partly sunny, with a high near 58. Breezy.
Sunday Night
Mostly clear, with a low around 44.
Monday
Sunny, with a high near 65.
Monday Night
A chance of showers after 1am. Partly cloudy, with a low around 50.
Tuesday
A chance of showers. Mostly sunny, with a high near 62.
Tuesday Night
A chance of showers. Partly cloudy, with a low around 43.
Wednesday
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:
7:21 am CDT Oct 16, 2025
Forecast Valid:
8am CDT Oct 16, 2025-6pm CDT Oct 22, 2025
 
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