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

41°F

5°C

Humidity 62%
Wind Speed NW 9 G 23 mph
Barometer 30.13 in (1021.0 mb)
Dewpoint 29°F (-2°C)
Visibility 10.00 mi
Wind Chill35°F (2°C)
Last update 5 Apr 9:53 am CDT
Extended Forecast for

Summit IL

  • Today

    Today: Mostly sunny, with a high near 51. West northwest wind around 15 mph, with gusts as high as 30 mph.

    High: 51 °F

    Mostly Sunny

  • Tonight

    Tonight: A 30 percent chance of showers, mainly before 2am. Mostly cloudy, with a low around 39. West wind around 10 mph, with gusts as high as 20 mph.

    Low: 39 °F

    Chance
    Showers

  • Monday

    Monday: Partly sunny, with a high near 49. Northwest wind 10 to 15 mph, with gusts as high as 25 mph.

    High: 49 °F

    Partly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 27. North northeast wind 10 to 15 mph.

    Low: 27 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 40. North northeast wind around 5 mph becoming east in the afternoon. Winds could gust as high as 10 mph.

    High: 40 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 35.

    Low: 35 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Partly sunny, with a high near 64. Breezy.

    High: 64 °F

    Partly Sunny
    then Partly
    Sunny and
    Breezy

  • Wednesday Night

    Wednesday Night: A chance of showers. Mostly cloudy, with a low around 55. Breezy.

    Low: 55 °F

    Chance
    Showers and
    Breezy

  • Thursday

    Thursday: A chance of showers. Partly sunny, with a high near 69.

    High: 69 °F

    Chance
    Showers

Detailed Forecast

Today
Mostly sunny, with a high near 51. West northwest wind around 15 mph, with gusts as high as 30 mph.
Tonight
A 30 percent chance of showers, mainly before 2am. Mostly cloudy, with a low around 39. West wind around 10 mph, with gusts as high as 20 mph.
Monday
Partly sunny, with a high near 49. Northwest wind 10 to 15 mph, with gusts as high as 25 mph.
Monday Night
Partly cloudy, with a low around 27. North northeast wind 10 to 15 mph.
Tuesday
Mostly sunny, with a high near 40. North northeast wind around 5 mph becoming east in the afternoon. Winds could gust as high as 10 mph.
Tuesday Night
Mostly cloudy, with a low around 35.
Wednesday
Partly sunny, with a high near 64. Breezy.
Wednesday Night
A chance of showers. Mostly cloudy, with a low around 55. Breezy.
Thursday
A chance of showers. Partly sunny, with a high near 69.
Thursday Night
A chance of showers. Mostly cloudy, with a low around 45.
Friday
A chance of showers. Mostly cloudy, with a high near 62.
Friday Night
A chance of showers. Mostly cloudy, with a low around 45.
Saturday
A chance of showers. Mostly cloudy, with a high near 58.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Summit IL
 41.8°N 87.83°W
Last Update:
9:10 am CDT Apr 5, 2026
Forecast Valid:
10am CDT Apr 5, 2026-6pm CDT Apr 11, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation