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.

Fair

10°F

-12°C

Humidity 55%
Wind Speed NW 8 mph
Barometer 30.30 in (1028.4 mb)
Dewpoint -3°F (-19°C)
Visibility 10.00 mi
Wind Chill-2°F (-19°C)
Last update 27 Jan 7:53 pm CST
Extended Forecast for

Summit Argo IL

  • Tonight

    Tonight: Mostly clear, with a low around 3. Wind chill values as low as -11. West wind 5 to 10 mph.

    Low: 3 °F

    Mostly Clear

  • Wednesday

    Wednesday: Mostly sunny, with a high near 17. Wind chill values as low as -11. West wind 10 to 15 mph, with gusts as high as 20 mph.

    High: 17 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 1. Wind chill values as low as -9. Northwest wind 5 to 10 mph.

    Low: 1 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 14. Wind chill values as low as -9. Northwest wind 5 to 10 mph.

    High: 14 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: A 30 percent chance of snow after midnight. Partly cloudy, with a low around 4. North northwest wind 5 to 10 mph.

    Low: 4 °F

    Partly Cloudy
    then Chance
    Snow

  • Friday

    Friday: Snow likely, mainly before noon. Partly sunny, with a high near 16. Chance of precipitation is 60%.

    High: 16 °F

    Snow Likely

  • Friday Night

    Friday Night: A 30 percent chance of snow. Mostly cloudy, with a low around 7.

    Low: 7 °F

    Chance Snow

  • Saturday

    Saturday: A chance of snow before noon. Partly sunny, with a high near 22.

    High: 22 °F

    Chance Snow
    then Partly
    Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 10.

    Low: 10 °F

    Mostly Cloudy

Detailed Forecast

Tonight
Mostly clear, with a low around 3. Wind chill values as low as -11. West wind 5 to 10 mph.
Wednesday
Mostly sunny, with a high near 17. Wind chill values as low as -11. West wind 10 to 15 mph, with gusts as high as 20 mph.
Wednesday Night
Partly cloudy, with a low around 1. Wind chill values as low as -9. Northwest wind 5 to 10 mph.
Thursday
Mostly sunny, with a high near 14. Wind chill values as low as -9. Northwest wind 5 to 10 mph.
Thursday Night
A 30 percent chance of snow after midnight. Partly cloudy, with a low around 4. North northwest wind 5 to 10 mph.
Friday
Snow likely, mainly before noon. Partly sunny, with a high near 16. Chance of precipitation is 60%.
Friday Night
A 30 percent chance of snow. Mostly cloudy, with a low around 7.
Saturday
A chance of snow before noon. Partly sunny, with a high near 22.
Saturday Night
Mostly cloudy, with a low around 10.
Sunday
Mostly sunny, with a high near 25.
Sunday Night
A chance of snow. Mostly cloudy, with a low around 14.
Monday
Mostly cloudy, with a high near 27.
Monday Night
Mostly cloudy, with a low around 14.
Tuesday
Partly sunny, with a high near 28.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Summit Argo IL
 41.78°N 87.83°W
Last Update:
7:36 pm CST Jan 27, 2026
Forecast Valid:
8pm CST Jan 27, 2026-6pm CST Feb 3, 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