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.

Overcast

17°F

-8°C

Humidity 80%
Wind Speed SW 7 mph
Barometer 30.21 in (1024.8 mb)
Dewpoint 12°F (-11°C)
Visibility 10.00 mi
Wind Chill7°F (-14°C)
Last update 5 Feb 2:53 am CST
Extended Forecast for

Summit Argo IL

  • Overnight

    Overnight: Mostly cloudy, with a low around 16. Southwest wind around 5 mph, with gusts as high as 10 mph.

    Low: 16 °F

    Mostly Cloudy

  • Thursday

    Thursday: A slight chance of snow before 8am, then scattered snow showers between 8am and 3pm. Cloudy, with a high near 30. South southwest wind 5 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 50%.

    High: 30 °F

    Scattered
    Snow Showers

  • Thursday Night

    Thursday Night: A chance of snow showers after midnight, mixing with freezing rain after 3am. Cloudy, with a steady temperature around 29. South southwest wind around 10 mph, with gusts as high as 15 mph. Chance of precipitation is 40%.

    Low: 29 °F

    Cloudy then
    Chance Wintry
    Mix

  • Friday

    Friday: A chance of snow showers, freezing rain, and sleet before 9am, then a chance of snow showers. Mostly cloudy, with a high near 38. Breezy, with a north northwest wind 5 to 10 mph increasing to 15 to 20 mph in the afternoon. Winds could gust as high as 30 mph. Chance of precipitation is 30%.

    High: 38 °F

    Chance Wintry
    Mix then
    Slight Chance
    Snow Showers
    and Breezy

  • Friday Night

    Friday Night: Partly cloudy, with a low around 12. Blustery, with a north wind 10 to 20 mph, with gusts as high as 30 mph.

    Low: 12 °F

    Mostly Cloudy
    and Blustery
    then Partly
    Cloudy

  • Saturday

    Saturday: Partly sunny, with a high near 24.

    High: 24 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: A 20 percent chance of snow before midnight. Mostly cloudy, with a low around 19.

    Low: 19 °F

    Slight Chance
    Snow then
    Cloudy

  • Sunday

    Sunday: Mostly cloudy, with a high near 34.

    High: 34 °F

    Mostly Cloudy

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 23.

    Low: 23 °F

    Partly Cloudy

Detailed Forecast

Overnight
Mostly cloudy, with a low around 16. Southwest wind around 5 mph, with gusts as high as 10 mph.
Thursday
A slight chance of snow before 8am, then scattered snow showers between 8am and 3pm. Cloudy, with a high near 30. South southwest wind 5 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 50%.
Thursday Night
A chance of snow showers after midnight, mixing with freezing rain after 3am. Cloudy, with a steady temperature around 29. South southwest wind around 10 mph, with gusts as high as 15 mph. Chance of precipitation is 40%.
Friday
A chance of snow showers, freezing rain, and sleet before 9am, then a chance of snow showers. Mostly cloudy, with a high near 38. Breezy, with a north northwest wind 5 to 10 mph increasing to 15 to 20 mph in the afternoon. Winds could gust as high as 30 mph. Chance of precipitation is 30%.
Friday Night
Partly cloudy, with a low around 12. Blustery, with a north wind 10 to 20 mph, with gusts as high as 30 mph.
Saturday
Partly sunny, with a high near 24.
Saturday Night
A 20 percent chance of snow before midnight. Mostly cloudy, with a low around 19.
Sunday
Mostly cloudy, with a high near 34.
Sunday Night
Partly cloudy, with a low around 23.
Monday
Mostly sunny, with a high near 44.
Monday Night
Partly cloudy, with a low around 31.
Tuesday
Partly sunny, with a high near 45.
Tuesday Night
A chance of showers. Partly cloudy, with a low around 32.
Wednesday
A chance of showers. Partly sunny, with a high near 42.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Summit Argo IL
 41.78°N 87.83°W
Last Update:
11:46 pm CST Feb 4, 2026
Forecast Valid:
3am CST Feb 5, 2026-6pm CST Feb 11, 2026
 
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Additional Resources

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation