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.

Overcast

28°F

-2°C

Humidity 58%
Wind Speed Calm
Barometer 30.39 in (1030.5 mb)
Dewpoint 15°F (-9°C)
Visibility 10.00 mi
Last update 28 Nov 11:53 pm CST
Extended Forecast for

Westmont IL

Winter Storm Warning November 29, 03:00am until November 30, 06:00am
Click here for hazard details and duration
Winter Storm Warning

  • Overnight

    Overnight: A 50 percent chance of snow, mainly after 4am. Cloudy, with a low around 25. Calm wind becoming south southeast around 5 mph.

    Low: 25 °F

    Chance Snow

  • Saturday

    Saturday: Snow. The snow could be heavy at times. High near 30. Southeast wind 5 to 15 mph, with gusts as high as 30 mph. Chance of precipitation is 100%. New snow accumulation of 4 to 8 inches possible.

    High: 30 °F

    Heavy Snow

  • Saturday Night

    Saturday Night: Snow. Steady temperature around 31. Southeast wind 10 to 15 mph becoming west after midnight. Winds could gust as high as 30 mph. Chance of precipitation is 100%. New snow accumulation of 1 to 3 inches possible.

    Low: 31 °F

    Snow

  • Sunday

    Sunday: A chance of snow before noon, then a slight chance of snow showers after noon. Cloudy, then gradually becoming mostly sunny, with a high near 30. Breezy, with a west northwest wind 15 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 50%.

    High: 30 °F

    Chance Snow
    and Breezy
    then Slight
    Chance Snow
    Showers

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 9. West northwest wind 5 to 10 mph, with gusts as high as 20 mph.

    Low: 9 °F

    Partly Cloudy

  • Monday

    Monday: A 30 percent chance of snow after noon. Mostly cloudy, with a high near 22.

    High: 22 °F

    Mostly Cloudy
    then Chance
    Snow

  • Monday Night

    Monday Night: A 50 percent chance of snow. Mostly cloudy, with a low around 14.

    Low: 14 °F

    Chance Snow

  • Tuesday

    Tuesday: Partly sunny, with a high near 24.

    High: 24 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 14.

    Low: 14 °F

    Mostly Cloudy

Detailed Forecast

Overnight
A 50 percent chance of snow, mainly after 4am. Cloudy, with a low around 25. Calm wind becoming south southeast around 5 mph.
Saturday
Snow. The snow could be heavy at times. High near 30. Southeast wind 5 to 15 mph, with gusts as high as 30 mph. Chance of precipitation is 100%. New snow accumulation of 4 to 8 inches possible.
Saturday Night
Snow. Steady temperature around 31. Southeast wind 10 to 15 mph becoming west after midnight. Winds could gust as high as 30 mph. Chance of precipitation is 100%. New snow accumulation of 1 to 3 inches possible.
Sunday
A chance of snow before noon, then a slight chance of snow showers after noon. Cloudy, then gradually becoming mostly sunny, with a high near 30. Breezy, with a west northwest wind 15 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 50%.
Sunday Night
Partly cloudy, with a low around 9. West northwest wind 5 to 10 mph, with gusts as high as 20 mph.
Monday
A 30 percent chance of snow after noon. Mostly cloudy, with a high near 22.
Monday Night
A 50 percent chance of snow. Mostly cloudy, with a low around 14.
Tuesday
Partly sunny, with a high near 24.
Tuesday Night
Mostly cloudy, with a low around 14.
Wednesday
Mostly cloudy, with a high near 30.
Wednesday Night
Mostly cloudy, with a low around 11.
Thursday
Mostly sunny, with a high near 21.
Thursday Night
Mostly cloudy, with a low around 7.
Friday
Partly sunny, with a high near 27.
Basemap Options
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Westmont IL
 41.8°N 87.97°W
Last Update:
11:41 pm CST Nov 28, 2025
Forecast Valid:
12am CST Nov 29, 2025-6pm CST Dec 5, 2025
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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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