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

30°F

-1°C

Humidity 49%
Wind Speed NW 7 mph
Barometer 30.66 in (1039.5 mb)
Dewpoint 13°F (-11°C)
Visibility 10.00 mi
Wind Chill23°F (-5°C)
Last update 28 Mar 7:53 am CDT
Extended Forecast for

Summit Argo IL

  • Today

    Today: Sunny, with a high near 48. North northwest wind 5 to 10 mph becoming south southwest 10 to 15 mph in the afternoon. Winds could gust as high as 20 mph.

    High: 48 °F

    Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 38. South southwest wind 10 to 15 mph, with gusts as high as 20 mph.

    Low: 38 °F

    Partly Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 63. South southwest wind 10 to 15 mph, with gusts as high as 25 mph.

    High: 63 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 49. South southwest wind around 10 mph, with gusts as high as 20 mph.

    Low: 49 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 75. South southwest wind 10 to 15 mph, with gusts as high as 25 mph.

    High: 75 °F

    Mostly Sunny

  • Monday Night

    Monday Night: A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 61.

    Low: 61 °F

    Chance
    T-storms

  • Tuesday

    Tuesday: A chance of showers, then showers and possibly a thunderstorm after 1pm. High near 77. Breezy. Chance of precipitation is 80%.

    High: 77 °F

    Breezy.
    Chance
    Showers then
    Showers

  • Tuesday Night

    Tuesday Night: Showers likely, mainly before 1am. Mostly cloudy, with a low around 40.

    Low: 40 °F

    Showers
    Likely

  • Wednesday

    Wednesday: Mostly cloudy, with a high near 46.

    High: 46 °F

    Mostly Cloudy

Detailed Forecast

Today
Sunny, with a high near 48. North northwest wind 5 to 10 mph becoming south southwest 10 to 15 mph in the afternoon. Winds could gust as high as 20 mph.
Tonight
Partly cloudy, with a low around 38. South southwest wind 10 to 15 mph, with gusts as high as 20 mph.
Sunday
Partly sunny, with a high near 63. South southwest wind 10 to 15 mph, with gusts as high as 25 mph.
Sunday Night
Partly cloudy, with a low around 49. South southwest wind around 10 mph, with gusts as high as 20 mph.
Monday
Mostly sunny, with a high near 75. South southwest wind 10 to 15 mph, with gusts as high as 25 mph.
Monday Night
A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 61.
Tuesday
A chance of showers, then showers and possibly a thunderstorm after 1pm. High near 77. Breezy. Chance of precipitation is 80%.
Tuesday Night
Showers likely, mainly before 1am. Mostly cloudy, with a low around 40.
Wednesday
Mostly cloudy, with a high near 46.
Wednesday Night
Partly cloudy, with a low around 34.
Thursday
A chance of showers. Partly sunny, with a high near 48.
Thursday Night
A chance of showers. Mostly cloudy, with a low around 39.
Friday
A chance of showers. Mostly sunny, with a high near 58.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Summit Argo IL
 41.78°N 87.83°W
Last Update:
3:50 am CDT Mar 28, 2026
Forecast Valid:
7am CDT Mar 28, 2026-6pm CDT Apr 3, 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