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Hazardous Weather Conditions

Current conditions at

Chicago, Chicago Midway Airport (KMDW)

Lat: 41.78°NLon: 87.76°WElev: 617ft.

Overcast

23°F

-5°C

Humidity 53%
Wind Speed S 10 mph
Barometer 30.16 in (1023.2 mb)
Dewpoint 8°F (-13°C)
Visibility 10.00 mi
Wind Chill13°F (-11°C)
Last update 20 Jan 10:53 pm CST
Extended Forecast for

Summit IL

Winter Weather Advisory January 21, 12:00am until January 21, 08:00am
Click here for hazard details and duration
Winter Weather Advisory

  • Tonight

    Tonight: Snow, mainly after midnight. Low around 22. South wind around 10 mph, with gusts as high as 15 mph. Chance of precipitation is 90%. Total nighttime snow accumulation of 1 to 2 inches possible.

    Low: 22 °F

    Snow

  • Wednesday

    Wednesday: Snow likely before 10am, then a chance of flurries between 10am and 11am. Mostly cloudy, with a high near 31. West wind around 15 mph, with gusts as high as 25 mph. Chance of precipitation is 70%. New snow accumulation of less than a half inch possible.

    High: 31 °F

    Snow Likely
    then Partly
    Sunny

  • Wednesday Night

    Wednesday Night: Snow showers likely, mainly before 10pm. Patchy blowing snow between 9pm and 3am. Mostly cloudy, with a low around 14. Wind chill values as low as 1. Breezy, with a west wind 15 to 20 mph, with gusts as high as 35 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.

    Low: 14 °F

    Snow Showers
    Likely and
    Patchy
    Blowing Snow

  • Thursday

    Thursday: Mostly sunny, with a high near 22. Wind chill values as low as zero. West wind 10 to 15 mph, with gusts as high as 25 mph.

    High: 22 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around -6. Northwest wind 10 to 15 mph, with gusts as high as 20 mph.

    Low: -6 °F

    Mostly Cloudy

  • Friday

    Friday: Mostly sunny and cold, with a high near 0.

    High: 0 °F

    Cold

  • Friday Night

    Friday Night: Mostly cloudy, with a low around -6.

    Low: -6 °F

    Mostly Cloudy

  • Saturday

    Saturday: Mostly cloudy and cold, with a high near 10.

    High: 10 °F

    Cold

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 4.

    Low: 4 °F

    Mostly Cloudy

Detailed Forecast

Tonight
Snow, mainly after midnight. Low around 22. South wind around 10 mph, with gusts as high as 15 mph. Chance of precipitation is 90%. Total nighttime snow accumulation of 1 to 2 inches possible.
Wednesday
Snow likely before 10am, then a chance of flurries between 10am and 11am. Mostly cloudy, with a high near 31. West wind around 15 mph, with gusts as high as 25 mph. Chance of precipitation is 70%. New snow accumulation of less than a half inch possible.
Wednesday Night
Snow showers likely, mainly before 10pm. Patchy blowing snow between 9pm and 3am. Mostly cloudy, with a low around 14. Wind chill values as low as 1. Breezy, with a west wind 15 to 20 mph, with gusts as high as 35 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.
Thursday
Mostly sunny, with a high near 22. Wind chill values as low as zero. West wind 10 to 15 mph, with gusts as high as 25 mph.
Thursday Night
Mostly cloudy, with a low around -6. Northwest wind 10 to 15 mph, with gusts as high as 20 mph.
Friday
Mostly sunny and cold, with a high near 0.
Friday Night
Mostly cloudy, with a low around -6.
Saturday
Mostly cloudy and cold, with a high near 10.
Saturday Night
Mostly cloudy, with a low around 4.
Sunday
Partly sunny, with a high near 16.
Sunday Night
Mostly cloudy, with a low around 3.
Monday
Mostly sunny, with a high near 18.
Monday Night
Partly cloudy, with a low around 8.
Tuesday
Mostly sunny, with a high near 26.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Summit IL
 41.8°N 87.83°W
Last Update:
10:01 pm CST Jan 20, 2026
Forecast Valid:
11pm CST Jan 20, 2026-6pm CST Jan 27, 2026
 
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Additional Resources

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Chance of Precipitation