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.

Partly Cloudy

14°F

-10°C

Humidity 61%
Wind Speed N 15 mph
Barometer 30.44 in (1033.0 mb)
Dewpoint 3°F (-16°C)
Visibility 10.00 mi
Wind Chill-1°F (-18°C)
Last update 30 Jan 8:53 pm CST
Extended Forecast for

Summit Argo IL

Winter Weather Advisory January 31, 06:00am until January 31, 04:00pm
Click here for hazard details and duration
Winter Weather Advisory

  • Tonight

    Tonight: Isolated snow showers after 5am. Mostly cloudy, with a low around 10. Wind chill values as low as -4. North northwest wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 20%.

    Low: 10 °F

    Mostly Cloudy
    then Isolated
    Snow Showers

  • Saturday

    Saturday: Snow showers likely, mainly before noon. Mostly cloudy, with a high near 25. Wind chill values as low as -3. North northwest wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.

    High: 25 °F

    Snow Showers
    Likely

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 9. North northwest wind around 5 mph becoming west southwest after midnight. Winds could gust as high as 10 mph.

    Low: 9 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 26. South southwest wind 5 to 10 mph, with gusts as high as 15 mph.

    High: 26 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: A 40 percent chance of snow. Mostly cloudy, with a low around 18. South southwest wind 5 to 10 mph.

    Low: 18 °F

    Chance Snow

  • Monday

    Monday: A 20 percent chance of snow before noon. Mostly cloudy, with a high near 31.

    High: 31 °F

    Slight Chance
    Snow then
    Partly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 19.

    Low: 19 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: A chance of snow after noon. Mostly cloudy, with a high near 29.

    High: 29 °F

    Mostly Cloudy
    then Chance
    Snow

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 19.

    Low: 19 °F

    Mostly Cloudy

Detailed Forecast

Tonight
Isolated snow showers after 5am. Mostly cloudy, with a low around 10. Wind chill values as low as -4. North northwest wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 20%.
Saturday
Snow showers likely, mainly before noon. Mostly cloudy, with a high near 25. Wind chill values as low as -3. North northwest wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.
Saturday Night
Partly cloudy, with a low around 9. North northwest wind around 5 mph becoming west southwest after midnight. Winds could gust as high as 10 mph.
Sunday
Mostly sunny, with a high near 26. South southwest wind 5 to 10 mph, with gusts as high as 15 mph.
Sunday Night
A 40 percent chance of snow. Mostly cloudy, with a low around 18. South southwest wind 5 to 10 mph.
Monday
A 20 percent chance of snow before noon. Mostly cloudy, with a high near 31.
Monday Night
Mostly cloudy, with a low around 19.
Tuesday
A chance of snow after noon. Mostly cloudy, with a high near 29.
Tuesday Night
Mostly cloudy, with a low around 19.
Wednesday
Mostly cloudy, with a high near 27.
Wednesday Night
Mostly cloudy, with a low around 14.
Thursday
Partly sunny, with a high near 29.
Thursday Night
A chance of snow. Mostly cloudy, with a low around 23.
Friday
A chance of snow. Mostly cloudy, with a high near 33.
Basemap Options
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Summit Argo IL
 41.78°N 87.83°W
Last Update:
9:21 pm CST Jan 30, 2026
Forecast Valid:
9pm CST Jan 30, 2026-6pm CST Feb 6, 2026
 
Forecast Discussion
 
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Additional Resources

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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