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.

Overcast

61°F

16°C

Humidity 87%
Wind Speed SW 16 G 26 mph
Barometer 29.71 in (1005.9 mb)
Dewpoint 57°F (14°C)
Visibility 10.00 mi
Last update 7 Mar 7:53 am CST
Extended Forecast for

Summit Argo IL

  • Today

    Today: A 40 percent chance of showers, mainly before 1pm. Cloudy, with a temperature falling to around 46 by 5pm. Breezy, with a west wind 15 to 20 mph, with gusts as high as 30 mph.

    High: 62 °F⇓

    Chance
    Showers and
    Breezy

  • Tonight

    Tonight: Cloudy during the early evening, then gradual clearing, with a low around 36. West northwest wind 10 to 15 mph becoming southwest after midnight. Winds could gust as high as 20 mph.

    Low: 36 °F

    Gradual
    Clearing

  • Sunday

    Sunday: Sunny, with a high near 61. Breezy, with a southwest wind 10 to 20 mph, with gusts as high as 30 mph.

    High: 61 °F

    Sunny and
    Breezy

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 47. Southwest wind around 15 mph, with gusts as high as 25 mph.

    Low: 47 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 69. Southwest wind 10 to 15 mph, with gusts as high as 25 mph.

    High: 69 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 46.

    Low: 46 °F

    Mostly Clear

  • Tuesday

    Tuesday: Showers likely after noon. Mostly sunny, with a high near 61. Chance of precipitation is 70%.

    High: 61 °F

    Sunny then
    Showers
    Likely

  • Tuesday Night

    Tuesday Night: Showers. Cloudy, with a low around 40.

    Low: 40 °F

    Showers

  • Wednesday

    Wednesday: Rain showers likely before noon, then a chance of rain and snow showers. Cloudy, with a high near 47.

    High: 47 °F

    Showers
    Likely then
    Chance
    Rain/Snow

Detailed Forecast

Today
A 40 percent chance of showers, mainly before 1pm. Cloudy, with a temperature falling to around 46 by 5pm. Breezy, with a west wind 15 to 20 mph, with gusts as high as 30 mph.
Tonight
Cloudy during the early evening, then gradual clearing, with a low around 36. West northwest wind 10 to 15 mph becoming southwest after midnight. Winds could gust as high as 20 mph.
Sunday
Sunny, with a high near 61. Breezy, with a southwest wind 10 to 20 mph, with gusts as high as 30 mph.
Sunday Night
Mostly clear, with a low around 47. Southwest wind around 15 mph, with gusts as high as 25 mph.
Monday
Sunny, with a high near 69. Southwest wind 10 to 15 mph, with gusts as high as 25 mph.
Monday Night
Mostly clear, with a low around 46.
Tuesday
Showers likely after noon. Mostly sunny, with a high near 61. Chance of precipitation is 70%.
Tuesday Night
Showers. Cloudy, with a low around 40.
Wednesday
Rain showers likely before noon, then a chance of rain and snow showers. Cloudy, with a high near 47.
Wednesday Night
Mostly cloudy, with a low around 30.
Thursday
Mostly sunny, with a high near 45.
Thursday Night
A chance of rain and snow showers. Mostly cloudy, with a low around 36.
Friday
Mostly cloudy, with a high near 54.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Summit Argo IL
 41.78°N 87.83°W
Last Update:
3:25 am CST Mar 7, 2026
Forecast Valid:
8am CST Mar 7, 2026-6pm CDT Mar 13, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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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