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.

Overcast

42°F

6°C

Humidity 49%
Wind Speed S 9 G 21 mph
Barometer 29.99 in (1016.5 mb)
Dewpoint 24°F (-4°C)
Visibility 10.00 mi
Wind Chill37°F (3°C)
Last update 12 Mar 8:53 pm CDT
Extended Forecast for

Summit Argo IL

High Wind Warning March 13, 01:00am until March 13, 04:00pm
Click here for hazard details and duration
High Wind Warning

  • Tonight

    Tonight: Showers likely, mainly after 1am. Cloudy, with a steady temperature around 43. Windy, with a south wind 15 to 20 mph increasing to 25 to 30 mph after midnight. Winds could gust as high as 50 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 43 °F

    Chance
    Showers and
    Breezy then
    Showers
    Likely and
    Windy

  • Friday

    Friday: Cloudy, then gradually becoming mostly sunny, with a steady temperature around 44. Very windy, with a west wind 25 to 35 mph, with gusts as high as 55 mph.

    High: 44 °F

    Decreasing
    Clouds and
    Very Windy

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 31. Northwest wind 10 to 15 mph decreasing to 5 to 10 mph after midnight. Winds could gust as high as 35 mph.

    Low: 31 °F

    Mostly Cloudy

  • Saturday

    Saturday: A slight chance of snow showers before 4pm, then a slight chance of rain showers. Cloudy, with a high near 40. Northeast wind 5 to 10 mph becoming southeast in the afternoon. Chance of precipitation is 20%.

    High: 40 °F

    Slight Chance
    Snow Showers
    then Slight
    Chance
    Rain/Snow

  • Saturday Night

    Saturday Night: Showers likely, mainly after 1am. Cloudy, with a low around 37. East wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 70%.

    Low: 37 °F

    Chance
    Showers then
    Showers
    Likely

  • Sunday

    Sunday: Showers likely before 1pm, then showers and possibly a thunderstorm between 1pm and 4pm, then showers after 4pm. High near 57. Breezy. Chance of precipitation is 90%.

    High: 57 °F

    Showers and
    Breezy

  • Sunday Night

    Sunday Night: Rain and snow, becoming all snow after 1am. Low around 20. Blustery. Chance of precipitation is 100%.

    Low: 20 °F

    Rain/Snow and
    Blustery

  • Monday

    Monday: Snow likely, mainly before 1pm. Cloudy, with a high near 26. Blustery.

    High: 26 °F

    Snow Likely
    and Blustery

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 9.

    Low: 9 °F

    Mostly Cloudy

Detailed Forecast

Tonight
Showers likely, mainly after 1am. Cloudy, with a steady temperature around 43. Windy, with a south wind 15 to 20 mph increasing to 25 to 30 mph after midnight. Winds could gust as high as 50 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Friday
Cloudy, then gradually becoming mostly sunny, with a steady temperature around 44. Very windy, with a west wind 25 to 35 mph, with gusts as high as 55 mph.
Friday Night
Mostly cloudy, with a low around 31. Northwest wind 10 to 15 mph decreasing to 5 to 10 mph after midnight. Winds could gust as high as 35 mph.
Saturday
A slight chance of snow showers before 4pm, then a slight chance of rain showers. Cloudy, with a high near 40. Northeast wind 5 to 10 mph becoming southeast in the afternoon. Chance of precipitation is 20%.
Saturday Night
Showers likely, mainly after 1am. Cloudy, with a low around 37. East wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 70%.
Sunday
Showers likely before 1pm, then showers and possibly a thunderstorm between 1pm and 4pm, then showers after 4pm. High near 57. Breezy. Chance of precipitation is 90%.
Sunday Night
Rain and snow, becoming all snow after 1am. Low around 20. Blustery. Chance of precipitation is 100%.
Monday
Snow likely, mainly before 1pm. Cloudy, with a high near 26. Blustery.
Monday Night
Mostly cloudy, with a low around 9.
Tuesday
Mostly sunny, with a high near 24.
Tuesday Night
A chance of snow. Mostly cloudy, with a low around 15.
Wednesday
Mostly cloudy, with a high near 39.
Wednesday Night
Mostly cloudy, with a low around 30.
Thursday
Mostly cloudy, with a high near 49.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Summit Argo IL
 41.78°N 87.83°W
Last Update:
9:01 pm CDT Mar 12, 2026
Forecast Valid:
9pm CDT Mar 12, 2026-6pm CDT Mar 19, 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