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 and Breezy

68°F

20°C

Humidity 76%
Wind Speed W 21 G 26 mph
Barometer 29.79 in (1008.2 mb)
Dewpoint 60°F (16°C)
Visibility 10.00 mi
Last update 16 Apr 11:53 am CDT
Extended Forecast for

Summit IL

  • This Afternoon

    This Afternoon: Scattered showers and thunderstorms before 3pm, then isolated showers between 3pm and 4pm. Partly sunny, with a high near 71. West wind 10 to 15 mph becoming north. Winds could gust as high as 20 mph. Chance of precipitation is 40%.

    High: 71 °F

    Scattered
    Showers

  • Tonight

    Tonight: Patchy fog after 10pm. Otherwise, partly cloudy, with a low around 51. Northeast wind around 5 mph becoming southeast after midnight. Winds could gust as high as 10 mph.

    Low: 51 °F

    Patchy Fog

  • Friday

    Friday: Patchy fog before 8am. Otherwise, partly sunny, with a high near 81. Breezy, with a south southeast wind 5 to 10 mph increasing to 15 to 20 mph in the afternoon. Winds could gust as high as 30 mph.

    High: 81 °F

    Patchy Fog
    then Partly
    Sunny and
    Breezy

  • Friday Night

    Friday Night: Showers and thunderstorms likely before 10pm, then showers and possibly a thunderstorm between 10pm and 4am, then showers after 4am. Low around 48. South wind around 15 mph, with gusts as high as 30 mph. Chance of precipitation is 90%.

    Low: 48 °F

    T-storms then
    Showers

  • Saturday

    Saturday: A 20 percent chance of showers before 1pm. Partly sunny, with a high near 56. Breezy, with a west wind 15 to 20 mph, with gusts as high as 30 mph.

    High: 56 °F

    Slight Chance
    Showers and
    Breezy

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 37.

    Low: 37 °F

    Mostly Clear

  • Sunday

    Sunday: Mostly sunny, with a high near 52.

    High: 52 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 35.

    Low: 35 °F

    Mostly Clear

  • Monday

    Monday: Areas of frost before 7am. Otherwise, sunny, with a high near 58.

    High: 58 °F

    Areas Frost
    then Sunny

Detailed Forecast

This Afternoon
Scattered showers and thunderstorms before 3pm, then isolated showers between 3pm and 4pm. Partly sunny, with a high near 71. West wind 10 to 15 mph becoming north. Winds could gust as high as 20 mph. Chance of precipitation is 40%.
Tonight
Patchy fog after 10pm. Otherwise, partly cloudy, with a low around 51. Northeast wind around 5 mph becoming southeast after midnight. Winds could gust as high as 10 mph.
Friday
Patchy fog before 8am. Otherwise, partly sunny, with a high near 81. Breezy, with a south southeast wind 5 to 10 mph increasing to 15 to 20 mph in the afternoon. Winds could gust as high as 30 mph.
Friday Night
Showers and thunderstorms likely before 10pm, then showers and possibly a thunderstorm between 10pm and 4am, then showers after 4am. Low around 48. South wind around 15 mph, with gusts as high as 30 mph. Chance of precipitation is 90%.
Saturday
A 20 percent chance of showers before 1pm. Partly sunny, with a high near 56. Breezy, with a west wind 15 to 20 mph, with gusts as high as 30 mph.
Saturday Night
Mostly clear, with a low around 37.
Sunday
Mostly sunny, with a high near 52.
Sunday Night
Mostly clear, with a low around 35.
Monday
Areas of frost before 7am. Otherwise, sunny, with a high near 58.
Monday Night
Partly cloudy, with a low around 49.
Tuesday
Mostly sunny, with a high near 72.
Tuesday Night
Partly cloudy, with a low around 51.
Wednesday
Sunny, with a high near 69.
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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:
11:31 am CDT Apr 16, 2026
Forecast Valid:
12pm CDT Apr 16, 2026-6pm CDT Apr 22, 2026
 
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Additional Resources

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High Temperature

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Chance of Precipitation