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

46°F

8°C

Humidity 71%
Wind Speed E 13 mph
Barometer 30.02 in (1017.0 mb)
Dewpoint 37°F (3°C)
Visibility 10.00 mi
Wind Chill40°F (4°C)
Last update 1 May 11:53 am CDT
Extended Forecast for

Summit Argo IL

  • This Afternoon

    This Afternoon: A 20 percent chance of showers after 2pm. Partly sunny, with a high near 50. Northeast wind around 10 mph, with gusts as high as 15 mph.

    High: 50 °F

    Slight Chance
    Showers

  • Tonight

    Tonight: Patchy frost after 2am. Otherwise, partly cloudy, with a low around 35. East northeast wind around 5 mph becoming calm after midnight.

    Low: 35 °F

    Partly Cloudy
    then Patchy
    Frost

  • Saturday

    Saturday: Patchy frost before 8am. Otherwise, mostly sunny, with a high near 54. North wind 5 to 10 mph.

    High: 54 °F

    Patchy Frost
    then Mostly
    Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 41. East southeast wind 5 to 10 mph becoming south southwest after midnight.

    Low: 41 °F

    Partly Cloudy

  • Sunday

    Sunday: A 20 percent chance of showers. Mostly cloudy, with a high near 64. Breezy, with a southwest wind 15 to 20 mph, with gusts as high as 30 mph.

    High: 64 °F

    Slight Chance
    Showers and
    Breezy

  • Sunday Night

    Sunday Night: A 20 percent chance of showers. Partly cloudy, with a low around 49.

    Low: 49 °F

    Slight Chance
    Showers

  • Monday

    Monday: A 30 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 74.

    High: 74 °F

    Mostly Sunny
    then Chance
    T-storms

  • Monday Night

    Monday Night: A chance of showers and thunderstorms. Mostly cloudy, with a low around 48.

    Low: 48 °F

    Chance
    T-storms

  • Tuesday

    Tuesday: A chance of showers. Partly sunny, with a high near 60.

    High: 60 °F

    Chance
    Showers

Detailed Forecast

This Afternoon
A 20 percent chance of showers after 2pm. Partly sunny, with a high near 50. Northeast wind around 10 mph, with gusts as high as 15 mph.
Tonight
Patchy frost after 2am. Otherwise, partly cloudy, with a low around 35. East northeast wind around 5 mph becoming calm after midnight.
Saturday
Patchy frost before 8am. Otherwise, mostly sunny, with a high near 54. North wind 5 to 10 mph.
Saturday Night
Partly cloudy, with a low around 41. East southeast wind 5 to 10 mph becoming south southwest after midnight.
Sunday
A 20 percent chance of showers. Mostly cloudy, with a high near 64. Breezy, with a southwest wind 15 to 20 mph, with gusts as high as 30 mph.
Sunday Night
A 20 percent chance of showers. Partly cloudy, with a low around 49.
Monday
A 30 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 74.
Monday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 48.
Tuesday
A chance of showers. Partly sunny, with a high near 60.
Tuesday Night
A chance of showers before 1am. Mostly cloudy, with a low around 44.
Wednesday
A chance of showers. Partly sunny, with a high near 57.
Wednesday Night
Mostly cloudy, with a low around 41.
Thursday
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:
11:36 am CDT May 1, 2026
Forecast Valid:
12pm CDT May 1, 2026-6pm CDT May 7, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation