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

67°F

19°C

Humidity 73%
Wind Speed E 13 mph
Barometer 29.84 in (1010.0 mb)
Dewpoint 58°F (14°C)
Visibility 10.00 mi
Last update 16 Apr 4:53 pm CDT
Extended Forecast for

Westmont IL

  • Tonight

    Tonight: Areas of fog after 10pm. Otherwise, increasing clouds, with a low around 54. Northwest wind 5 to 10 mph becoming east southeast after midnight.

    Low: 54 °F

    Areas Fog

  • Friday

    Friday: A 20 percent chance of showers and thunderstorms after 4pm. Partly sunny, with a high near 81. Breezy, with a south wind 5 to 10 mph increasing to 15 to 20 mph in the afternoon. Winds could gust as high as 30 mph.

    High: 81 °F

    Partly Sunny
    then Slight
    Chance
    T-storms and
    Breezy

  • Friday Night

    Friday Night: Showers and thunderstorms likely, then showers and possibly a thunderstorm after 10pm. Low around 45. South wind around 15 mph becoming west after midnight. Winds could gust as high as 25 mph. Chance of precipitation is 90%. New rainfall amounts between three quarters and one inch possible.

    Low: 45 °F

    T-storms

  • Saturday

    Saturday: A 20 percent chance of showers before 1pm. Cloudy, then gradually becoming mostly sunny, with a high near 56. Breezy, with a west wind 15 to 20 mph, with gusts as high as 30 mph.

    High: 56 °F

    Slight Chance
    Showers and
    Breezy

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 36. West northwest wind 10 to 15 mph, with gusts as high as 25 mph.

    Low: 36 °F

    Mostly Clear

  • Sunday

    Sunday: Mostly sunny, with a high near 52.

    High: 52 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 34.

    Low: 34 °F

    Mostly Clear

  • Monday

    Monday: Areas of frost before 8am. Otherwise, sunny, with a high near 59.

    High: 59 °F

    Areas Frost
    then Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 49.

    Low: 49 °F

    Partly Cloudy

Detailed Forecast

Tonight
Areas of fog after 10pm. Otherwise, increasing clouds, with a low around 54. Northwest wind 5 to 10 mph becoming east southeast after midnight.
Friday
A 20 percent chance of showers and thunderstorms after 4pm. Partly sunny, with a high near 81. Breezy, with a south wind 5 to 10 mph increasing to 15 to 20 mph in the afternoon. Winds could gust as high as 30 mph.
Friday Night
Showers and thunderstorms likely, then showers and possibly a thunderstorm after 10pm. Low around 45. South wind around 15 mph becoming west after midnight. Winds could gust as high as 25 mph. Chance of precipitation is 90%. New rainfall amounts between three quarters and one inch possible.
Saturday
A 20 percent chance of showers before 1pm. Cloudy, then gradually becoming mostly sunny, with a high near 56. Breezy, with a west wind 15 to 20 mph, with gusts as high as 30 mph.
Saturday Night
Mostly clear, with a low around 36. West northwest wind 10 to 15 mph, with gusts as high as 25 mph.
Sunday
Mostly sunny, with a high near 52.
Sunday Night
Mostly clear, with a low around 34.
Monday
Areas of frost before 8am. Otherwise, sunny, with a high near 59.
Monday Night
Partly cloudy, with a low around 49.
Tuesday
Mostly sunny, with a high near 73.
Tuesday Night
Partly cloudy, with a low around 51.
Wednesday
Sunny, with a high near 71.
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:
3:36 pm CDT Apr 16, 2026
Forecast Valid:
5pm CDT Apr 16, 2026-6pm CDT Apr 23, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation