National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce
Current conditions at

Chicago, Chicago Midway Airport (KMDW)

Lat: 41.78°NLon: 87.76°WElev: 617ft.

Light Snow

22°F

-6°C

Humidity 71%
Wind Speed NW 8 mph
Barometer 30.34 in (1028.7 mb)
Dewpoint 14°F (-10°C)
Visibility 10.00 mi
Wind Chill13°F (-11°C)
Last update 4 Feb 2:53 am CST
Extended Forecast for

Summit IL

  • Overnight

    Overnight: Scattered flurries. Cloudy, with a steady temperature around 22. North wind around 5 mph.

    Low: 22 °F

    Scattered
    Flurries

  • Wednesday

    Wednesday: Scattered flurries before noon. Cloudy, with a high near 27. North northwest wind around 5 mph.

    High: 27 °F

    Scattered
    Flurries

  • Wednesday Night

    Wednesday Night: Increasing clouds, with a low around 16. Calm wind becoming southwest around 5 mph after midnight.

    Low: 16 °F

    Increasing
    Clouds

  • Thursday

    Thursday: Scattered snow showers between 9am and 3pm. Mostly cloudy, with a high near 31. South southwest wind 5 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 30%.

    High: 31 °F

    Scattered
    Snow Showers

  • Thursday Night

    Thursday Night: Scattered snow showers after midnight. Mostly cloudy, with a low around 27. Southwest wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 40%.

    Low: 27 °F

    Mostly Cloudy
    then
    Scattered
    Snow Showers

  • Friday

    Friday: Isolated snow showers before noon. Mostly cloudy, with a high near 39. Chance of precipitation is 20%.

    High: 39 °F

    Isolated Snow
    Showers then
    Mostly Cloudy

  • Friday Night

    Friday Night: Partly cloudy, with a low around 15.

    Low: 15 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 28.

    High: 28 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 22.

    Low: 22 °F

    Mostly Cloudy

Detailed Forecast

Overnight
Scattered flurries. Cloudy, with a steady temperature around 22. North wind around 5 mph.
Wednesday
Scattered flurries before noon. Cloudy, with a high near 27. North northwest wind around 5 mph.
Wednesday Night
Increasing clouds, with a low around 16. Calm wind becoming southwest around 5 mph after midnight.
Thursday
Scattered snow showers between 9am and 3pm. Mostly cloudy, with a high near 31. South southwest wind 5 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 30%.
Thursday Night
Scattered snow showers after midnight. Mostly cloudy, with a low around 27. Southwest wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 40%.
Friday
Isolated snow showers before noon. Mostly cloudy, with a high near 39. Chance of precipitation is 20%.
Friday Night
Partly cloudy, with a low around 15.
Saturday
Mostly sunny, with a high near 28.
Saturday Night
Mostly cloudy, with a low around 22.
Sunday
Partly sunny, with a high near 33.
Sunday Night
Partly cloudy, with a low around 21.
Monday
Mostly sunny, with a high near 39.
Monday Night
Mostly cloudy, with a low around 28.
Tuesday
Partly sunny, with a high near 44.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Summit IL
 41.8°N 87.83°W
Last Update:
2:46 am CST Feb 4, 2026
Forecast Valid:
3am CST Feb 4, 2026-6pm CST Feb 10, 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