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.

Light Snow

17°F

-8°C

Humidity 49%
Wind Speed W 18 G 29 mph
Barometer 30.03 in (1018.6 mb)
Dewpoint 1°F (-17°C)
Visibility 10.00 mi
Wind Chill1°F (-17°C)
Last update 17 Jan 2:53 pm CST
Extended Forecast for

Summit Argo IL

  • This Afternoon

    This Afternoon: Snow likely, mainly after 5pm. Mostly cloudy, with a high near 20. West southwest wind around 15 mph, with gusts as high as 25 mph. Chance of precipitation is 60%. Total daytime snow accumulation of less than a half inch possible.

    High: 20 °F

    Snow Likely

  • Tonight

    Tonight: Snow likely before 10pm, then scattered snow showers between 10pm and midnight, then scattered flurries after midnight. Mostly cloudy, with a low around 10. Wind chill values as low as -3. West wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 70%. New snow accumulation of less than a half inch possible.

    Low: 10 °F

    Snow Likely
    then Mostly
    Cloudy

  • Sunday

    Sunday: Snow likely, mainly after 5pm. Mostly cloudy, with a high near 20. Wind chill values as low as -4. Southwest wind 10 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 70%. New snow accumulation of less than a half inch possible.

    High: 20 °F

    Partly Sunny
    then Snow
    Likely

  • Sunday Night

    Sunday Night: Snow likely, mainly before 11pm. Mostly cloudy, with a low around 3. Wind chill values as low as -16. Blustery, with a southwest wind 15 to 25 mph becoming west northwest after midnight. Winds could gust as high as 30 mph. Chance of precipitation is 70%. New snow accumulation of less than one inch possible.

    Low: 3 °F

    Snow Likely
    and Breezy
    then Slight
    Chance Snow
    and Blustery

  • M.L.King Day

    M.L.King Day: Partly sunny and cold, with a high near 10. Blustery, with a west wind 15 to 20 mph, with gusts as high as 30 mph.

    High: 10 °F

    Cold and
    Blustery

  • Monday Night

    Monday Night: Partly cloudy, with a low around 3.

    Low: 3 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 24.

    High: 24 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: A chance of snow after midnight. Mostly cloudy, with a low around 18.

    Low: 18 °F

    Mostly Cloudy
    then Chance
    Snow

  • Wednesday

    Wednesday: Mostly cloudy, with a high near 30.

    High: 30 °F

    Mostly Cloudy

Detailed Forecast

This Afternoon
Snow likely, mainly after 5pm. Mostly cloudy, with a high near 20. West southwest wind around 15 mph, with gusts as high as 25 mph. Chance of precipitation is 60%. Total daytime snow accumulation of less than a half inch possible.
Tonight
Snow likely before 10pm, then scattered snow showers between 10pm and midnight, then scattered flurries after midnight. Mostly cloudy, with a low around 10. Wind chill values as low as -3. West wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 70%. New snow accumulation of less than a half inch possible.
Sunday
Snow likely, mainly after 5pm. Mostly cloudy, with a high near 20. Wind chill values as low as -4. Southwest wind 10 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 70%. New snow accumulation of less than a half inch possible.
Sunday Night
Snow likely, mainly before 11pm. Mostly cloudy, with a low around 3. Wind chill values as low as -16. Blustery, with a southwest wind 15 to 25 mph becoming west northwest after midnight. Winds could gust as high as 30 mph. Chance of precipitation is 70%. New snow accumulation of less than one inch possible.
M.L.King Day
Partly sunny and cold, with a high near 10. Blustery, with a west wind 15 to 20 mph, with gusts as high as 30 mph.
Monday Night
Partly cloudy, with a low around 3.
Tuesday
Mostly sunny, with a high near 24.
Tuesday Night
A chance of snow after midnight. Mostly cloudy, with a low around 18.
Wednesday
Mostly cloudy, with a high near 30.
Wednesday Night
Mostly cloudy, with a low around 11.
Thursday
Mostly sunny, with a high near 22.
Thursday Night
Mostly cloudy, with a low around 14.
Friday
Partly sunny, with a high near 27.
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ABOUT THIS FORECAST

 
Point Forecast:
Summit Argo IL
 41.78°N 87.83°W
Last Update:
3:11 pm CST Jan 17, 2026
Forecast Valid:
3pm CST Jan 17, 2026-6pm CST Jan 23, 2026
 
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Additional Resources

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Chance of Precipitation