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

24°F

-4°C

Humidity 71%
Wind Speed N 8 mph
Barometer 30.33 in (1028.4 mb)
Dewpoint 16°F (-9°C)
Visibility 9.00 mi
Wind Chill15°F (-9°C)
Last update 3 Feb 11:53 pm CST
Extended Forecast for

Summit Argo IL

  • Overnight

    Overnight: A slight chance of flurries after 2am. Mostly cloudy, with a low around 20. North northeast wind around 5 mph.

    Low: 20 °F

    Slight Chance
    Flurries

  • Wednesday

    Wednesday: A 20 percent chance of snow showers before 7am. Partly sunny, with a high near 27. North northwest wind around 5 mph.

    High: 27 °F

    Slight Chance
    Snow Showers
    then Partly
    Sunny

  • Wednesday Night

    Wednesday Night: Increasing clouds, with a low around 14. Calm wind becoming southwest around 5 mph after midnight.

    Low: 14 °F

    Increasing
    Clouds

  • Thursday

    Thursday: A 20 percent chance of snow before noon. Mostly cloudy, with a high near 32. South southwest wind 5 to 15 mph, with gusts as high as 20 mph.

    High: 32 °F

    Slight Chance
    Snow then
    Mostly Cloudy

  • Thursday Night

    Thursday Night: A chance of snow after midnight, mixing with sleet after 3am. Mostly cloudy, with a low around 27. Southwest wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 40%.

    Low: 27 °F

    Mostly Cloudy
    then Chance
    Snow/Sleet

  • Friday

    Friday: A 20 percent chance of snow after noon. Mostly cloudy, with a high near 40. Breezy.

    High: 40 °F

    Breezy.
    Mostly Cloudy
    then Slight
    Chance Snow

  • 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
A slight chance of flurries after 2am. Mostly cloudy, with a low around 20. North northeast wind around 5 mph.
Wednesday
A 20 percent chance of snow showers before 7am. Partly sunny, with a high near 27. North northwest wind around 5 mph.
Wednesday Night
Increasing clouds, with a low around 14. Calm wind becoming southwest around 5 mph after midnight.
Thursday
A 20 percent chance of snow before noon. Mostly cloudy, with a high near 32. South southwest wind 5 to 15 mph, with gusts as high as 20 mph.
Thursday Night
A chance of snow after midnight, mixing with sleet after 3am. Mostly cloudy, with a low around 27. Southwest wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 40%.
Friday
A 20 percent chance of snow after noon. Mostly cloudy, with a high near 40. Breezy.
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 32.
Sunday Night
Partly cloudy, with a low around 19.
Monday
Mostly sunny, with a high near 36.
Monday Night
Mostly cloudy, with a low around 26.
Tuesday
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:
9:36 pm CST Feb 3, 2026
Forecast Valid:
12am CST Feb 4, 2026-6pm CST Feb 10, 2026
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation