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

66°F

19°C

Humidity 52%
Wind Speed S 9 mph
Barometer 30.06 in (1017.0 mb)
Dewpoint 48°F (9°C)
Visibility 10.00 mi
Last update 10 Oct 10:53 pm CDT
Extended Forecast for

Westmont IL

  • Tonight

    Tonight: Partly cloudy, with a low around 57. South southeast wind 5 to 10 mph, with gusts as high as 15 mph.

    Low: 57 °F

    Partly Cloudy

  • Sunday

    Sunday: Sunny, with a high near 79. Calm wind becoming south around 5 mph in the morning.

    High: 79 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 60. South southwest wind 5 to 10 mph.

    Low: 60 °F

    Mostly Clear

  • Columbus Day

    Columbus Day: Mostly sunny, with a high near 84. Southwest wind 10 to 15 mph, with gusts as high as 20 mph.

    High: 84 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 68. Southwest wind 10 to 15 mph, with gusts as high as 20 mph.

    Low: 68 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 79.

    High: 79 °F

    Sunny

  • Tuesday Night

    Tuesday Night: A 30 percent chance of showers, mainly after 1am. Partly cloudy, with a low around 59.

    Low: 59 °F

    Chance
    Showers

  • Wednesday

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

    High: 69 °F

    Chance
    Showers

  • Wednesday Night

    Wednesday Night: A chance of showers. Mostly cloudy, with a low around 56.

    Low: 56 °F

    Chance
    Showers

Detailed Forecast

Tonight
Partly cloudy, with a low around 57. South southeast wind 5 to 10 mph, with gusts as high as 15 mph.
Sunday
Sunny, with a high near 79. Calm wind becoming south around 5 mph in the morning.
Sunday Night
Mostly clear, with a low around 60. South southwest wind 5 to 10 mph.
Columbus Day
Mostly sunny, with a high near 84. Southwest wind 10 to 15 mph, with gusts as high as 20 mph.
Monday Night
Mostly clear, with a low around 68. Southwest wind 10 to 15 mph, with gusts as high as 20 mph.
Tuesday
Sunny, with a high near 79.
Tuesday Night
A 30 percent chance of showers, mainly after 1am. Partly cloudy, with a low around 59.
Wednesday
A chance of showers. Partly sunny, with a high near 69.
Wednesday Night
A chance of showers. Mostly cloudy, with a low around 56.
Thursday
A chance of showers. Mostly cloudy, with a high near 68.
Thursday Night
A chance of showers. Mostly cloudy, with a low around 51.
Friday
A chance of showers. Partly sunny, with a high near 63.
Friday Night
Mostly cloudy, with a low around 43.
Saturday
Mostly sunny, with a high near 56.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Westmont IL
 41.8°N 87.97°W
Last Update:
11:26 pm CDT Oct 10, 2026
Forecast Valid:
11pm CDT Oct 10, 2026-6pm CDT Oct 17, 2026
 
Forecast Discussion
 
Get as KML Get as XML

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