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

71°F

22°C

Humidity 31%
Wind Speed S 17 G 33 mph
Barometer 30.04 in (1017.3 mb)
Dewpoint 39°F (4°C)
Visibility 10.00 mi
Last update 8 Apr 3:53 pm CDT
Extended Forecast for

Summit Argo IL

  • Tonight

    Tonight: A 40 percent chance of showers, mainly after 2am. Increasing clouds, with a low around 54. Breezy, with a south wind 15 to 20 mph, with gusts as high as 30 mph.

    Low: 54 °F

    Partly Cloudy
    and Breezy
    then Chance
    Showers

  • Thursday

    Thursday: A 40 percent chance of showers, mainly before 9am. Mostly cloudy, then gradually becoming sunny, with a high near 67. West wind around 10 mph, with gusts as high as 20 mph.

    High: 67 °F

    Chance
    Showers then
    Mostly Sunny

  • Thursday Night

    Thursday Night: A chance of showers and thunderstorms before 10pm, then showers likely and possibly a thunderstorm between 10pm and 1am, then showers after 1am. Low around 44. North northwest wind 5 to 10 mph becoming east northeast in the evening. Chance of precipitation is 90%. New rainfall amounts between a half and three quarters of an inch possible.

    Low: 44 °F

    Showers

  • Friday

    Friday: Showers likely, mainly before 10am. Cloudy, then gradually becoming mostly sunny, with a high near 54. North northeast wind 5 to 10 mph. Chance of precipitation is 70%.

    High: 54 °F

    Showers
    Likely

  • Friday Night

    Friday Night: Mostly clear, with a low around 37. East northeast wind 5 to 10 mph.

    Low: 37 °F

    Mostly Clear

  • Saturday

    Saturday: Partly sunny, with a high near 59.

    High: 59 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: A 30 percent chance of showers, mainly after 1am. Mostly cloudy, with a low around 52.

    Low: 52 °F

    Chance
    Showers

  • Sunday

    Sunday: A chance of showers after 1pm. Mostly cloudy, with a high near 77.

    High: 77 °F

    Mostly Cloudy
    then Chance
    Showers

  • Sunday Night

    Sunday Night: Showers likely, mainly after 1am. Mostly cloudy, with a low around 64.

    Low: 64 °F

    Showers
    Likely

Detailed Forecast

Tonight
A 40 percent chance of showers, mainly after 2am. Increasing clouds, with a low around 54. Breezy, with a south wind 15 to 20 mph, with gusts as high as 30 mph.
Thursday
A 40 percent chance of showers, mainly before 9am. Mostly cloudy, then gradually becoming sunny, with a high near 67. West wind around 10 mph, with gusts as high as 20 mph.
Thursday Night
A chance of showers and thunderstorms before 10pm, then showers likely and possibly a thunderstorm between 10pm and 1am, then showers after 1am. Low around 44. North northwest wind 5 to 10 mph becoming east northeast in the evening. Chance of precipitation is 90%. New rainfall amounts between a half and three quarters of an inch possible.
Friday
Showers likely, mainly before 10am. Cloudy, then gradually becoming mostly sunny, with a high near 54. North northeast wind 5 to 10 mph. Chance of precipitation is 70%.
Friday Night
Mostly clear, with a low around 37. East northeast wind 5 to 10 mph.
Saturday
Partly sunny, with a high near 59.
Saturday Night
A 30 percent chance of showers, mainly after 1am. Mostly cloudy, with a low around 52.
Sunday
A chance of showers after 1pm. Mostly cloudy, with a high near 77.
Sunday Night
Showers likely, mainly after 1am. Mostly cloudy, with a low around 64.
Monday
A chance of showers. Mostly cloudy, with a high near 78.
Monday Night
Showers likely. Mostly cloudy, with a low around 62.
Tuesday
Showers likely and possibly a thunderstorm. Mostly cloudy, with a high near 74.
Tuesday Night
Showers likely. Mostly cloudy, with a low around 45.
Wednesday
A chance of showers. Mostly cloudy, with a high near 57.
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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:
2:41 pm CDT Apr 8, 2026
Forecast Valid:
4pm CDT Apr 8, 2026-6pm CDT Apr 15, 2026
 
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Additional Resources

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Hourly Weather Forecast

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation