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.

Overcast

58°F

14°C

Humidity 84%
Wind Speed W 14 G 25 mph
Barometer 29.82 in (1009.7 mb)
Dewpoint 53°F (12°C)
Visibility 10.00 mi
Last update 16 Oct 12:53 am CDT
Extended Forecast for

Westmont IL

  • Overnight

    Overnight: Cloudy, with a low around 50. Breezy, with a west northwest wind 15 to 20 mph, with gusts as high as 25 mph.

    Low: 50 °F

    Cloudy and
    Breezy

  • Friday

    Friday: Showers likely, mainly between noon and 4pm. Cloudy, with a high near 54. Breezy, with a west northwest wind 15 to 20 mph, with gusts as high as 35 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    High: 54 °F

    Cloudy then
    Showers
    Likely and
    Breezy

  • Friday Night

    Friday Night: A 30 percent chance of showers before 7pm. Mostly cloudy during the early evening, then gradual clearing, with a low around 36. Breezy, with a north wind 15 to 20 mph decreasing to 10 to 15 mph after midnight. Winds could gust as high as 30 mph.

    Low: 36 °F

    Chance
    Showers and
    Breezy then
    Clear

  • Saturday

    Saturday: Sunny, with a high near 55. Light and variable wind becoming southwest 5 to 10 mph in the afternoon.

    High: 55 °F

    Sunny

  • Saturday Night

    Saturday Night: Clear, with a low around 39. South southwest wind 5 to 10 mph.

    Low: 39 °F

    Clear

  • Sunday

    Sunday: Sunny, with a high near 63.

    High: 63 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 43.

    Low: 43 °F

    Mostly Clear

  • Monday

    Monday: Mostly sunny, with a high near 68.

    High: 68 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 45.

    Low: 45 °F

    Partly Cloudy

Detailed Forecast

Overnight
Cloudy, with a low around 50. Breezy, with a west northwest wind 15 to 20 mph, with gusts as high as 25 mph.
Friday
Showers likely, mainly between noon and 4pm. Cloudy, with a high near 54. Breezy, with a west northwest wind 15 to 20 mph, with gusts as high as 35 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Friday Night
A 30 percent chance of showers before 7pm. Mostly cloudy during the early evening, then gradual clearing, with a low around 36. Breezy, with a north wind 15 to 20 mph decreasing to 10 to 15 mph after midnight. Winds could gust as high as 30 mph.
Saturday
Sunny, with a high near 55. Light and variable wind becoming southwest 5 to 10 mph in the afternoon.
Saturday Night
Clear, with a low around 39. South southwest wind 5 to 10 mph.
Sunday
Sunny, with a high near 63.
Sunday Night
Mostly clear, with a low around 43.
Monday
Mostly sunny, with a high near 68.
Monday Night
Partly cloudy, with a low around 45.
Tuesday
Sunny, with a high near 70.
Tuesday Night
Mostly clear, with a low around 48.
Wednesday
Sunny, with a high near 72.
Wednesday Night
Mostly clear, with a low around 51.
Thursday
Mostly sunny, with a high near 72.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Westmont IL
 41.8°N 87.97°W
Last Update:
12:21 am CDT Oct 16, 2026
Forecast Valid:
1am CDT Oct 16, 2026-6pm CDT Oct 22, 2026
 
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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