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.

Mostly Cloudy

28°F

-2°C

Humidity 85%
Wind Speed W 6 mph
Barometer 29.88 in (1013.4 mb)
Dewpoint 24°F (-4°C)
Visibility 10.00 mi
Wind Chill21°F (-6°C)
Last update 6 Dec 6:53 am CST
Extended Forecast for

Summit Argo IL

Winter Weather Advisory December 7, 12:00am until December 7, 09:00am
Click here for hazard details and duration
Winter Weather Advisory

  • Today

    Today: A slight chance of flurries after noon. Mostly cloudy, with a high near 30. West northwest wind around 5 mph, with gusts as high as 15 mph.

    High: 30 °F

    Slight Chance
    Flurries

  • Tonight

    Tonight: Snow, mainly after midnight. Low around 24. East southeast wind 5 to 10 mph. Chance of precipitation is 100%. New snow accumulation of 2 to 4 inches possible.

    Low: 24 °F

    Slight Chance
    Snow then
    Snow

  • Sunday

    Sunday: Snow likely, mainly before noon. Cloudy, then gradually becoming mostly sunny, with a temperature falling to around 21 by 5pm. North wind 10 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 60%. New snow accumulation of around an inch possible.

    High: 28 °F⇓

    Snow Likely
    then Slight
    Chance Snow

  • Sunday Night

    Sunday Night: A 40 percent chance of snow showers. Mostly cloudy, with a low around 15. North wind 5 to 10 mph becoming east southeast after midnight. Winds could gust as high as 15 mph.

    Low: 15 °F

    Chance Snow
    Showers

  • Monday

    Monday: A 20 percent chance of snow showers before noon. Partly sunny, with a high near 23. South wind 5 to 10 mph.

    High: 23 °F

    Slight Chance
    Snow Showers
    then Mostly
    Sunny

  • Monday Night

    Monday Night: A 30 percent chance of snow after midnight. Mostly cloudy, with a low around 14.

    Low: 14 °F

    Mostly Cloudy
    then Chance
    Snow

  • Tuesday

    Tuesday: A 20 percent chance of snow before noon. Mostly cloudy, with a high near 38.

    High: 38 °F

    Slight Chance
    Snow then
    Cloudy

  • Tuesday Night

    Tuesday Night: Rain likely. Cloudy, with a low around 34.

    Low: 34 °F

    Rain Likely

  • Wednesday

    Wednesday: A chance of rain and snow before noon, then a chance of snow. Mostly cloudy, with a high near 36.

    High: 36 °F

    Chance
    Rain/Snow
    then Chance
    Snow

Detailed Forecast

Today
A slight chance of flurries after noon. Mostly cloudy, with a high near 30. West northwest wind around 5 mph, with gusts as high as 15 mph.
Tonight
Snow, mainly after midnight. Low around 24. East southeast wind 5 to 10 mph. Chance of precipitation is 100%. New snow accumulation of 2 to 4 inches possible.
Sunday
Snow likely, mainly before noon. Cloudy, then gradually becoming mostly sunny, with a temperature falling to around 21 by 5pm. North wind 10 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 60%. New snow accumulation of around an inch possible.
Sunday Night
A 40 percent chance of snow showers. Mostly cloudy, with a low around 15. North wind 5 to 10 mph becoming east southeast after midnight. Winds could gust as high as 15 mph.
Monday
A 20 percent chance of snow showers before noon. Partly sunny, with a high near 23. South wind 5 to 10 mph.
Monday Night
A 30 percent chance of snow after midnight. Mostly cloudy, with a low around 14.
Tuesday
A 20 percent chance of snow before noon. Mostly cloudy, with a high near 38.
Tuesday Night
Rain likely. Cloudy, with a low around 34.
Wednesday
A chance of rain and snow before noon, then a chance of snow. Mostly cloudy, with a high near 36.
Wednesday Night
A chance of snow before midnight. Mostly cloudy, with a low around 17.
Thursday
A chance of snow. Mostly cloudy, with a high near 25.
Thursday Night
A chance of snow. Mostly cloudy, with a low around 14.
Friday
Partly sunny, with a high near 21.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Summit Argo IL
 41.78°N 87.83°W
Last Update:
6:16 am CST Dec 6, 2025
Forecast Valid:
7am CST Dec 6, 2025-6pm CST Dec 12, 2025
 
Forecast Discussion
 
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Additional Resources

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation