National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Hazardous Weather Conditions

Current conditions at

Chicago, Chicago Midway Airport (KMDW)

Lat: 41.78°NLon: 87.76°WElev: 617ft.

Mostly Cloudy

71°F

22°C

Humidity 73%
Wind Speed SE 5 mph
Barometer 30.00 in (1014.8 mb)
Dewpoint 62°F (17°C)
Visibility 10.00 mi
Last update 31 Jul 4:53 am CDT
Extended Forecast for

Westmont IL

  • Today

    Today: Showers likely, with thunderstorms also possible after 4pm. Increasing clouds, with a high near 82. South wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 82 °F

    Partly Sunny
    then Showers
    Likely

  • Tonight

    Tonight: Showers and possibly a thunderstorm. Low around 67. East wind around 15 mph, with gusts as high as 25 mph. Chance of precipitation is 100%. New rainfall amounts between three quarters and one inch possible.

    Low: 67 °F

    Showers

  • Saturday

    Saturday: Showers and possibly a thunderstorm. High near 73. Northeast wind around 15 mph, with gusts as high as 30 mph. Chance of precipitation is 80%. New rainfall amounts between a half and three quarters of an inch possible.

    High: 73 °F

    Showers

  • Saturday Night

    Saturday Night: A chance of showers and thunderstorms before 10pm, then a chance of showers between 10pm and 1am. Mostly cloudy, with a low around 66. North northeast wind around 15 mph, with gusts as high as 30 mph. Chance of precipitation is 40%.

    Low: 66 °F

    Chance
    Showers

  • Sunday

    Sunday: Partly sunny, with a high near 75. North northeast wind around 15 mph, with gusts as high as 25 mph.

    High: 75 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 61.

    Low: 61 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 78.

    High: 78 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 63.

    Low: 63 °F

    Mostly Clear

  • Tuesday

    Tuesday: Mostly sunny, with a high near 82.

    High: 82 °F

    Mostly Sunny

Detailed Forecast

Today
Showers likely, with thunderstorms also possible after 4pm. Increasing clouds, with a high near 82. South wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Tonight
Showers and possibly a thunderstorm. Low around 67. East wind around 15 mph, with gusts as high as 25 mph. Chance of precipitation is 100%. New rainfall amounts between three quarters and one inch possible.
Saturday
Showers and possibly a thunderstorm. High near 73. Northeast wind around 15 mph, with gusts as high as 30 mph. Chance of precipitation is 80%. New rainfall amounts between a half and three quarters of an inch possible.
Saturday Night
A chance of showers and thunderstorms before 10pm, then a chance of showers between 10pm and 1am. Mostly cloudy, with a low around 66. North northeast wind around 15 mph, with gusts as high as 30 mph. Chance of precipitation is 40%.
Sunday
Partly sunny, with a high near 75. North northeast wind around 15 mph, with gusts as high as 25 mph.
Sunday Night
Mostly clear, with a low around 61.
Monday
Sunny, with a high near 78.
Monday Night
Mostly clear, with a low around 63.
Tuesday
Mostly sunny, with a high near 82.
Tuesday Night
Mostly clear, with a low around 67.
Wednesday
A chance of showers. Mostly sunny, with a high near 82.
Wednesday Night
Partly cloudy, with a low around 67.
Thursday
Mostly sunny, with a high near 82.
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:
2:51 am CDT Jul 31, 2026
Forecast Valid:
5am CDT Jul 31, 2026-6pm CDT Aug 6, 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