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

25°F

-4°C

Humidity 92%
Wind Speed W 8 mph
Barometer 29.93 in (1015.0 mb)
Dewpoint 23°F (-5°C)
Visibility 8.00 mi
Wind Chill16°F (-9°C)
Last update 30 Dec 11:53 pm CST
Extended Forecast for

Westmont IL

  • Overnight

    Overnight: Cloudy, with a steady temperature around 26. West northwest wind around 10 mph.

    Low: 26 °F

    Cloudy

  • Wednesday

    Wednesday: Snow likely, mainly after noon. Cloudy, with a high near 31. West northwest wind 10 to 15 mph, with gusts as high as 30 mph. Chance of precipitation is 70%. New snow accumulation of around an inch possible.

    High: 31 °F

    Chance Snow
    then Snow
    Likely

  • Wednesday Night

    Wednesday Night: A 20 percent chance of snow before midnight. Cloudy during the early evening, then gradual clearing, with a low around 10. Wind chill values as low as zero. Northwest wind 5 to 15 mph, with gusts as high as 20 mph.

    Low: 10 °F

    Slight Chance
    Snow then
    Mostly Clear

  • New Year's Day

    New Year's Day: Partly sunny, with a high near 21. Wind chill values as low as zero. West wind around 5 mph, with gusts as high as 10 mph.

    High: 21 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 15. West southwest wind around 5 mph.

    Low: 15 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 27.

    High: 27 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 14.

    Low: 14 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 26.

    High: 26 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 18.

    Low: 18 °F

    Partly Cloudy

Detailed Forecast

Overnight
Cloudy, with a steady temperature around 26. West northwest wind around 10 mph.
Wednesday
Snow likely, mainly after noon. Cloudy, with a high near 31. West northwest wind 10 to 15 mph, with gusts as high as 30 mph. Chance of precipitation is 70%. New snow accumulation of around an inch possible.
Wednesday Night
A 20 percent chance of snow before midnight. Cloudy during the early evening, then gradual clearing, with a low around 10. Wind chill values as low as zero. Northwest wind 5 to 15 mph, with gusts as high as 20 mph.
New Year's Day
Partly sunny, with a high near 21. Wind chill values as low as zero. West wind around 5 mph, with gusts as high as 10 mph.
Thursday Night
Partly cloudy, with a low around 15. West southwest wind around 5 mph.
Friday
Mostly sunny, with a high near 27.
Friday Night
Partly cloudy, with a low around 14.
Saturday
Mostly sunny, with a high near 26.
Saturday Night
Partly cloudy, with a low around 18.
Sunday
Mostly cloudy, with a high near 32.
Sunday Night
Mostly cloudy, with a low around 26.
Monday
Mostly sunny, with a high near 35.
Monday Night
Mostly cloudy, with a low around 23.
Tuesday
Partly sunny, with a high near 32.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Westmont IL
 41.8°N 87.97°W
Last Update:
11:56 pm CST Dec 30, 2025
Forecast Valid:
12am CST Dec 31, 2025-6pm CST Jan 6, 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