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.

Light Drizzle Fog/Mist

46°F

8°C

Humidity 93%
Wind Speed NE 6 mph
Barometer 30.08 in (1018.6 mb)
Dewpoint 44°F (7°C)
Visibility 5.00 mi
Wind Chill43°F (6°C)
Last update 10 Apr 4:53 am CDT
Extended Forecast for

Summit IL

  • Overnight

    Overnight: A 40 percent chance of showers. Cloudy, with a low around 44. East wind around 10 mph.

    Low: 44 °F

    Chance
    Showers

  • Friday

    Friday: A 50 percent chance of showers, mainly before 9am. Mostly cloudy, with a high near 51. North wind around 10 mph, with gusts as high as 20 mph.

    High: 51 °F

    Chance
    Showers then
    Partly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 37. Northeast wind 5 to 10 mph.

    Low: 37 °F

    Partly Cloudy

  • Saturday

    Saturday: Increasing clouds, with a high near 55. East wind 5 to 10 mph, with gusts as high as 15 mph.

    High: 55 °F

    Increasing
    Clouds

  • Saturday Night

    Saturday Night: A 40 percent chance of showers, mainly before 1am. Mostly cloudy, with a low around 51. East southeast wind 10 to 15 mph becoming south after midnight. Winds could gust as high as 20 mph.

    Low: 51 °F

    Chance
    Showers

  • Sunday

    Sunday: A slight chance of showers between 1pm and 4pm, then a slight chance of showers and thunderstorms after 4pm. Mostly cloudy, with a high near 76. Breezy. Chance of precipitation is 20%.

    High: 76 °F

    Breezy.
    Mostly Cloudy
    then Slight
    Chance
    T-storms

  • Sunday Night

    Sunday Night: Showers likely and possibly a thunderstorm before 1am, then a chance of showers and thunderstorms after 1am. Cloudy, with a low around 61. Breezy. Chance of precipitation is 60%.

    Low: 61 °F

    Showers
    Likely and
    Breezy

  • Monday

    Monday: Mostly cloudy, with a high near 78.

    High: 78 °F

    Mostly Cloudy

  • Monday Night

    Monday Night: A chance of showers. Mostly cloudy, with a low around 65.

    Low: 65 °F

    Chance
    Showers

Detailed Forecast

Overnight
A 40 percent chance of showers. Cloudy, with a low around 44. East wind around 10 mph.
Friday
A 50 percent chance of showers, mainly before 9am. Mostly cloudy, with a high near 51. North wind around 10 mph, with gusts as high as 20 mph.
Friday Night
Partly cloudy, with a low around 37. Northeast wind 5 to 10 mph.
Saturday
Increasing clouds, with a high near 55. East wind 5 to 10 mph, with gusts as high as 15 mph.
Saturday Night
A 40 percent chance of showers, mainly before 1am. Mostly cloudy, with a low around 51. East southeast wind 10 to 15 mph becoming south after midnight. Winds could gust as high as 20 mph.
Sunday
A slight chance of showers between 1pm and 4pm, then a slight chance of showers and thunderstorms after 4pm. Mostly cloudy, with a high near 76. Breezy. Chance of precipitation is 20%.
Sunday Night
Showers likely and possibly a thunderstorm before 1am, then a chance of showers and thunderstorms after 1am. Cloudy, with a low around 61. Breezy. Chance of precipitation is 60%.
Monday
Mostly cloudy, with a high near 78.
Monday Night
A chance of showers. Mostly cloudy, with a low around 65.
Tuesday
Showers likely and possibly a thunderstorm after 1pm. Mostly cloudy, with a high near 80.
Tuesday Night
Showers and possibly a thunderstorm. Mostly cloudy, with a low around 61.
Wednesday
A chance of showers and thunderstorms. Partly sunny, with a high near 74.
Wednesday Night
A chance of showers. Mostly cloudy, with a low around 54.
Thursday
A chance of showers. Partly sunny, with a high near 76.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Summit IL
 41.8°N 87.83°W
Last Update:
5:21 am CDT Apr 10, 2026
Forecast Valid:
5am CDT Apr 10, 2026-6pm CDT Apr 16, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation