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.

Fog/Mist

43°F

6°C

Humidity 93%
Wind Speed E 3 mph
Barometer 29.36 in (994.2 mb)
Dewpoint 41°F (5°C)
Visibility 5.00 mi
Last update 19 Feb 11:53 pm CST
Extended Forecast for

Westmont IL

Wind Advisory February 20, 06:00am until February 20, 04:00pm
Click here for hazard details and duration
Wind Advisory

  • Tonight

    Tonight: Showers likely and possibly a thunderstorm before 3am, then a chance of showers. Cloudy, with a low around 34. Breezy, with an east northeast wind 10 to 20 mph becoming southwest after midnight. Winds could gust as high as 35 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 34 °F

    Showers
    Likely and
    Breezy

  • Friday

    Friday: A chance of rain and snow showers before 8am, then a chance of snow showers between 8am and noon, then a chance of flurries after noon. Mostly cloudy, with a temperature falling to around 33 by 5pm. Breezy, with a west wind 20 to 25 mph, with gusts as high as 45 mph. Chance of precipitation is 50%.

    High: 37 °F⇓

    Breezy.
    Chance
    Rain/Snow
    then Chance
    Flurries

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 26. Breezy, with a west wind 10 to 20 mph, with gusts as high as 30 mph.

    Low: 26 °F

    Mostly Cloudy
    and Breezy
    then Partly
    Cloudy

  • Saturday

    Saturday: Partly sunny, with a high near 37. West northwest wind 10 to 15 mph, with gusts as high as 20 mph.

    High: 37 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: A 20 percent chance of snow after midnight. Mostly cloudy, with a low around 26. West northwest wind 10 to 15 mph, with gusts as high as 20 mph.

    Low: 26 °F

    Mostly Cloudy
    then Slight
    Chance Snow

  • Sunday

    Sunday: A 20 percent chance of snow before noon. Mostly cloudy, with a high near 32. Breezy.

    High: 32 °F

    Slight Chance
    Snow then
    Mostly Cloudy
    and Breezy

  • Sunday Night

    Sunday Night: A 20 percent chance of snow. Mostly cloudy, with a low around 20.

    Low: 20 °F

    Slight Chance
    Snow

  • Monday

    Monday: Partly sunny, with a high near 32.

    High: 32 °F

    Partly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 20.

    Low: 20 °F

    Mostly Cloudy

Detailed Forecast

Tonight
Showers likely and possibly a thunderstorm before 3am, then a chance of showers. Cloudy, with a low around 34. Breezy, with an east northeast wind 10 to 20 mph becoming southwest after midnight. Winds could gust as high as 35 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Friday
A chance of rain and snow showers before 8am, then a chance of snow showers between 8am and noon, then a chance of flurries after noon. Mostly cloudy, with a temperature falling to around 33 by 5pm. Breezy, with a west wind 20 to 25 mph, with gusts as high as 45 mph. Chance of precipitation is 50%.
Friday Night
Mostly cloudy, with a low around 26. Breezy, with a west wind 10 to 20 mph, with gusts as high as 30 mph.
Saturday
Partly sunny, with a high near 37. West northwest wind 10 to 15 mph, with gusts as high as 20 mph.
Saturday Night
A 20 percent chance of snow after midnight. Mostly cloudy, with a low around 26. West northwest wind 10 to 15 mph, with gusts as high as 20 mph.
Sunday
A 20 percent chance of snow before noon. Mostly cloudy, with a high near 32. Breezy.
Sunday Night
A 20 percent chance of snow. Mostly cloudy, with a low around 20.
Monday
Partly sunny, with a high near 32.
Monday Night
Mostly cloudy, with a low around 20.
Tuesday
Partly sunny, with a high near 41.
Tuesday Night
Mostly cloudy, with a low around 35.
Wednesday
Partly sunny, with a high near 48.
Wednesday Night
Partly cloudy, with a low around 26.
Thursday
Mostly sunny, with a high near 46.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Westmont IL
 41.8°N 87.97°W
Last Update:
8:21 pm CST Feb 19, 2026
Forecast Valid:
11pm CST Feb 19, 2026-6pm CST Feb 26, 2026
 
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