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

42°F

6°C

Humidity 49%
Wind Speed S 12 mph
Barometer 29.90 in (1013.3 mb)
Dewpoint 24°F (-4°C)
Visibility 10.00 mi
Wind Chill35°F (2°C)
Last update 12 Mar 10:53 pm CDT
Extended Forecast for

Westmont IL

High Wind Warning March 13, 01:00am until March 13, 04:00pm
Click here for hazard details and duration
High Wind Warning

  • Tonight

    Tonight: Showers likely, mainly between 1am and 4am. Cloudy, with a steady temperature around 42. Windy, with a south wind 20 to 30 mph, with gusts as high as 45 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 42 °F

    Showers
    Likely and
    Windy

  • Friday

    Friday: Cloudy, then gradually becoming mostly sunny, with a steady temperature around 43. Very windy, with a west wind 25 to 35 mph, with gusts as high as 55 mph.

    High: 43 °F

    Decreasing
    Clouds and
    Very Windy

  • Friday Night

    Friday Night: Increasing clouds, with a low around 30. Northwest wind 10 to 15 mph decreasing to 5 to 10 mph after midnight. Winds could gust as high as 35 mph.

    Low: 30 °F

    Increasing
    Clouds

  • Saturday

    Saturday: A slight chance of snow showers before 1pm, then a slight chance of rain and snow showers between 1pm and 4pm, then a slight chance of rain showers after 4pm. Cloudy, with a high near 40. Northeast wind 5 to 10 mph becoming southeast in the morning. Chance of precipitation is 20%.

    High: 40 °F

    Slight Chance
    Snow Showers
    then Slight
    Chance
    Rain/Snow

  • Saturday Night

    Saturday Night: A chance of rain showers before 1am, then rain likely, possibly mixed with snow showers between 1am and 4am, then rain showers likely after 4am. Cloudy, with a low around 37. East wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 70%.

    Low: 37 °F

    Chance
    Showers then
    Rain/Snow
    Likely

  • Sunday

    Sunday: Showers likely before 1pm, then showers and possibly a thunderstorm between 1pm and 4pm, then showers after 4pm. High near 56. Breezy. Chance of precipitation is 90%.

    High: 56 °F

    Showers and
    Breezy

  • Sunday Night

    Sunday Night: Rain and snow, becoming all snow after 1am. Low around 19. Blustery. Chance of precipitation is 100%.

    Low: 19 °F

    Rain/Snow and
    Blustery

  • Monday

    Monday: Snow likely, mainly before 1pm. Cloudy, with a high near 25. Blustery.

    High: 25 °F

    Snow Likely
    and Blustery

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 7. Blustery.

    Low: 7 °F

    Mostly Cloudy
    and Blustery
    then Partly
    Cloudy

Detailed Forecast

Tonight
Showers likely, mainly between 1am and 4am. Cloudy, with a steady temperature around 42. Windy, with a south wind 20 to 30 mph, with gusts as high as 45 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Friday
Cloudy, then gradually becoming mostly sunny, with a steady temperature around 43. Very windy, with a west wind 25 to 35 mph, with gusts as high as 55 mph.
Friday Night
Increasing clouds, with a low around 30. Northwest wind 10 to 15 mph decreasing to 5 to 10 mph after midnight. Winds could gust as high as 35 mph.
Saturday
A slight chance of snow showers before 1pm, then a slight chance of rain and snow showers between 1pm and 4pm, then a slight chance of rain showers after 4pm. Cloudy, with a high near 40. Northeast wind 5 to 10 mph becoming southeast in the morning. Chance of precipitation is 20%.
Saturday Night
A chance of rain showers before 1am, then rain likely, possibly mixed with snow showers between 1am and 4am, then rain showers likely after 4am. Cloudy, with a low around 37. East wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 70%.
Sunday
Showers likely before 1pm, then showers and possibly a thunderstorm between 1pm and 4pm, then showers after 4pm. High near 56. Breezy. Chance of precipitation is 90%.
Sunday Night
Rain and snow, becoming all snow after 1am. Low around 19. Blustery. Chance of precipitation is 100%.
Monday
Snow likely, mainly before 1pm. Cloudy, with a high near 25. Blustery.
Monday Night
Mostly cloudy, with a low around 7. Blustery.
Tuesday
Mostly sunny, with a high near 24.
Tuesday Night
A chance of snow. Mostly cloudy, with a low around 14.
Wednesday
Mostly cloudy, with a high near 38.
Wednesday Night
Mostly cloudy, with a low around 29.
Thursday
Mostly cloudy, with a high near 49.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Westmont IL
 41.8°N 87.97°W
Last Update:
9:01 pm CDT Mar 12, 2026
Forecast Valid:
11pm CDT Mar 12, 2026-6pm CDT Mar 19, 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