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.

A Few Clouds and Breezy

53°F

12°C

Humidity 37%
Wind Speed S 22 G 38 mph
Barometer 29.97 in (1015.5 mb)
Dewpoint 27°F (-3°C)
Visibility 10.00 mi
Wind Chill47°F (8°C)
Last update 17 Mar 3:53 pm CDT
Extended Forecast for

Summit IL

  • Tonight

    Tonight: Mostly clear, with a low around 43. Breezy, with a south southwest wind 10 to 20 mph, with gusts as high as 30 mph.

    Low: 43 °F

    Mostly Clear
    and Breezy
    then Partly
    Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 66. South wind 5 to 15 mph, with gusts as high as 25 mph.

    High: 66 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 55. South wind 10 to 15 mph, with gusts as high as 20 mph.

    Low: 55 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Scattered showers, then showers and possibly a thunderstorm after 1pm. High near 66. Breezy, with a south wind 15 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 90%.

    High: 66 °F

    Breezy.
    Scattered
    Showers then
    Showers

  • Wednesday Night

    Wednesday Night: Rain showers before 1am, then snow showers, possibly mixed with rain. Some thunder is also possible. Low around 33. Breezy, with a south southwest wind around 20 mph becoming north northwest after midnight. Winds could gust as high as 30 mph. Chance of precipitation is 90%.

    Low: 33 °F

    Breezy.
    Showers then
    Rain/Snow

  • Thursday

    Thursday: Snow showers, possibly mixed with rain before 7am, then a chance of snow showers between 7am and 1pm. High near 45. Breezy. Chance of precipitation is 80%.

    High: 45 °F

    Rain/Snow and
    Breezy then
    Chance Snow
    Showers

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 34.

    Low: 34 °F

    Mostly Clear

  • Friday

    Friday: Partly sunny, with a high near 57.

    High: 57 °F

    Partly Sunny

  • Friday Night

    Friday Night: A chance of showers. Mostly cloudy, with a low around 38.

    Low: 38 °F

    Chance
    Showers

Detailed Forecast

Tonight
Mostly clear, with a low around 43. Breezy, with a south southwest wind 10 to 20 mph, with gusts as high as 30 mph.
Tuesday
Partly sunny, with a high near 66. South wind 5 to 15 mph, with gusts as high as 25 mph.
Tuesday Night
Mostly cloudy, with a low around 55. South wind 10 to 15 mph, with gusts as high as 20 mph.
Wednesday
Scattered showers, then showers and possibly a thunderstorm after 1pm. High near 66. Breezy, with a south wind 15 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 90%.
Wednesday Night
Rain showers before 1am, then snow showers, possibly mixed with rain. Some thunder is also possible. Low around 33. Breezy, with a south southwest wind around 20 mph becoming north northwest after midnight. Winds could gust as high as 30 mph. Chance of precipitation is 90%.
Thursday
Snow showers, possibly mixed with rain before 7am, then a chance of snow showers between 7am and 1pm. High near 45. Breezy. Chance of precipitation is 80%.
Thursday Night
Mostly clear, with a low around 34.
Friday
Partly sunny, with a high near 57.
Friday Night
A chance of showers. Mostly cloudy, with a low around 38.
Saturday
Mostly sunny, with a high near 50.
Saturday Night
Partly cloudy, with a low around 34.
Sunday
A chance of showers. Partly sunny, with a high near 50.
Sunday Night
Showers likely. Mostly cloudy, with a low around 37.
Monday
A chance of showers. Mostly cloudy, with a high near 44.
Click Map For Forecast
Disclaimer
Map Legend

ABOUT THIS FORECAST

 
Point Forecast:
Summit IL
 41.8°N 87.83°W
Last Update:
3:57 pm CDT Mar 17, 2025
Forecast Valid:
4pm CDT Mar 17, 2025-6pm CDT Mar 24, 2025
 
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