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.

Mostly Cloudy

55°F

13°C

Humidity 72%
Wind Speed W 14 mph
Barometer 29.88 in (1011.7 mb)
Dewpoint 46°F (8°C)
Visibility 10.00 mi
Wind Chill51°F (11°C)
Last update 5 Nov 8:53 am CST
Extended Forecast for

Summit IL

  • Today

    Today: Partly sunny, then gradually becoming sunny, with a temperature rising to near 60 by 11am, then falling to around 53 during the remainder of the day. Breezy, with a north northwest wind 10 to 20 mph, with gusts as high as 30 mph.

    High: 60 °F⇓

    Becoming
    Sunny and
    Breezy

  • Tonight

    Tonight: Mostly clear, with a low around 37. Northwest wind 5 to 10 mph becoming light west northwest after midnight.

    Low: 37 °F

    Mostly Clear

  • Thursday

    Thursday: Increasing clouds, with a high near 56. Light and variable wind becoming south 5 to 10 mph in the morning. Winds could gust as high as 20 mph.

    High: 56 °F

    Increasing
    Clouds

  • Thursday Night

    Thursday Night: A slight chance of showers before midnight, then showers and possibly a thunderstorm between midnight and 3am, then showers after 3am. Low around 48. South wind 10 to 15 mph, with gusts as high as 30 mph. Chance of precipitation is 80%.

    Low: 48 °F

    Slight Chance
    Showers then
    Showers

  • Friday

    Friday: A 40 percent chance of showers before noon. Partly sunny, with a high near 64. West wind 10 to 15 mph, with gusts as high as 25 mph.

    High: 64 °F

    Chance
    Showers then
    Mostly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 40.

    Low: 40 °F

    Partly Cloudy

  • Saturday

    Saturday: A 50 percent chance of rain after noon. Mostly cloudy, with a high near 50.

    High: 50 °F

    Partly Sunny
    then Chance
    Rain

  • Saturday Night

    Saturday Night: Rain likely, mainly before midnight. Mostly cloudy, with a low around 34.

    Low: 34 °F

    Rain Likely

  • Sunday

    Sunday: A chance of rain before noon. Partly sunny, with a high near 38.

    High: 38 °F

    Chance Rain
    then Partly
    Sunny

Detailed Forecast

Today
Partly sunny, then gradually becoming sunny, with a temperature rising to near 60 by 11am, then falling to around 53 during the remainder of the day. Breezy, with a north northwest wind 10 to 20 mph, with gusts as high as 30 mph.
Tonight
Mostly clear, with a low around 37. Northwest wind 5 to 10 mph becoming light west northwest after midnight.
Thursday
Increasing clouds, with a high near 56. Light and variable wind becoming south 5 to 10 mph in the morning. Winds could gust as high as 20 mph.
Thursday Night
A slight chance of showers before midnight, then showers and possibly a thunderstorm between midnight and 3am, then showers after 3am. Low around 48. South wind 10 to 15 mph, with gusts as high as 30 mph. Chance of precipitation is 80%.
Friday
A 40 percent chance of showers before noon. Partly sunny, with a high near 64. West wind 10 to 15 mph, with gusts as high as 25 mph.
Friday Night
Partly cloudy, with a low around 40.
Saturday
A 50 percent chance of rain after noon. Mostly cloudy, with a high near 50.
Saturday Night
Rain likely, mainly before midnight. Mostly cloudy, with a low around 34.
Sunday
A chance of rain before noon. Partly sunny, with a high near 38.
Sunday Night
Partly cloudy, with a low around 25.
Monday
Mostly sunny, with a high near 36.
Monday Night
Partly cloudy, with a low around 25.
Veterans Day
Partly sunny, with a high near 43.
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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:
5:11 am CST Nov 5, 2025
Forecast Valid:
9am CST Nov 5, 2025-6pm CST Nov 11, 2025
 
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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