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.

Partly Cloudy

41°F

5°C

Humidity 38%
Wind Speed NE 9 mph
Barometer 30.29 in (1026.7 mb)
Dewpoint 17°F (-8°C)
Visibility 10.00 mi
Wind Chill35°F (2°C)
Last update 2 Mar 3:53 pm CST
Extended Forecast for

Summit Argo IL

  • Tonight

    Tonight: A 20 percent chance of showers after 5am. Mostly cloudy, with a low around 33. East wind around 5 mph becoming calm after midnight.

    Low: 33 °F

    Mostly Cloudy
    then Slight
    Chance
    Showers

  • Tuesday

    Tuesday: A 50 percent chance of showers, mainly before 11am. Mostly cloudy, with a high near 44. Calm wind becoming northeast around 5 mph in the afternoon.

    High: 44 °F

    Chance
    Showers then
    Slight Chance
    Showers

  • Tuesday Night

    Tuesday Night: A 20 percent chance of showers. Mostly cloudy, with a low around 35. Northeast wind around 5 mph.

    Low: 35 °F

    Slight Chance
    Showers

  • Wednesday

    Wednesday: A 30 percent chance of showers. Mostly cloudy, with a high near 48. East wind around 5 mph, with gusts as high as 10 mph.

    High: 48 °F

    Chance
    Showers

  • Wednesday Night

    Wednesday Night: A chance of showers and thunderstorms before midnight, then showers likely and possibly a thunderstorm between midnight and 3am, then showers likely after 3am. Cloudy, with a low around 42. East wind around 5 mph. Chance of precipitation is 70%.

    Low: 42 °F

    Showers
    Likely

  • Thursday

    Thursday: Showers and possibly a thunderstorm. High near 56. Chance of precipitation is 80%.

    High: 56 °F

    Showers

  • Thursday Night

    Thursday Night: A 20 percent chance of showers. Mostly cloudy, with a low around 43.

    Low: 43 °F

    Slight Chance
    Showers

  • Friday

    Friday: Showers likely. Mostly cloudy, with a high near 67.

    High: 67 °F

    Showers
    Likely

  • Friday Night

    Friday Night: Showers likely, then showers and possibly a thunderstorm after midnight. Mostly cloudy, with a low around 55.

    Low: 55 °F

    Showers

Detailed Forecast

Tonight
A 20 percent chance of showers after 5am. Mostly cloudy, with a low around 33. East wind around 5 mph becoming calm after midnight.
Tuesday
A 50 percent chance of showers, mainly before 11am. Mostly cloudy, with a high near 44. Calm wind becoming northeast around 5 mph in the afternoon.
Tuesday Night
A 20 percent chance of showers. Mostly cloudy, with a low around 35. Northeast wind around 5 mph.
Wednesday
A 30 percent chance of showers. Mostly cloudy, with a high near 48. East wind around 5 mph, with gusts as high as 10 mph.
Wednesday Night
A chance of showers and thunderstorms before midnight, then showers likely and possibly a thunderstorm between midnight and 3am, then showers likely after 3am. Cloudy, with a low around 42. East wind around 5 mph. Chance of precipitation is 70%.
Thursday
Showers and possibly a thunderstorm. High near 56. Chance of precipitation is 80%.
Thursday Night
A 20 percent chance of showers. Mostly cloudy, with a low around 43.
Friday
Showers likely. Mostly cloudy, with a high near 67.
Friday Night
Showers likely, then showers and possibly a thunderstorm after midnight. Mostly cloudy, with a low around 55.
Saturday
A chance of showers before noon. Mostly cloudy, with a high near 65.
Saturday Night
Mostly cloudy, with a low around 42.
Sunday
Mostly sunny, with a high near 61.
Sunday Night
Mostly clear, with a low around 45.
Monday
Sunny, with a high near 64.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Summit Argo IL
 41.78°N 87.83°W
Last Update:
3:36 pm CST Mar 2, 2026
Forecast Valid:
4pm CST Mar 2, 2026-6pm CDT Mar 9, 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