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 and Windy

46°F

8°C

Humidity 71%
Wind Speed W 28 G 43 mph
Barometer 29.30 in (992.3 mb)
Dewpoint 37°F (3°C)
Visibility 10.00 mi
Wind Chill37°F (3°C)
Last update 20 Feb 2:53 am CST
Extended Forecast for

Summit Argo IL

Wind Advisory February 20, 06:00am until February 20, 04:00pm
Click here for hazard details and duration
Wind Advisory

  • Overnight

    Overnight: Mostly cloudy, with a low around 34. Breezy, with a southwest wind 15 to 20 mph, with gusts as high as 40 mph.

    Low: 34 °F

    Mostly Cloudy
    and Breezy

  • Friday

    Friday: A chance of rain and snow before 9am, then a chance of snow between 9am and noon. Cloudy, with a high near 37. Breezy, with a west wind 20 to 25 mph, with gusts as high as 45 mph. Chance of precipitation is 50%.

    High: 37 °F

    Breezy.
    Chance
    Rain/Snow
    then Mostly
    Cloudy

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 27. Breezy, with a west wind 15 to 20 mph decreasing to 10 to 15 mph after midnight. Winds could gust as high as 30 mph.

    Low: 27 °F

    Mostly Cloudy
    and Breezy
    then Partly
    Cloudy

  • Saturday

    Saturday: Partly sunny, with a high near 37. West northwest wind around 10 mph, with gusts as high as 20 mph.

    High: 37 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: A 20 percent chance of snow after midnight. Cloudy, with a low around 26. West northwest wind 10 to 15 mph, with gusts as high as 20 mph.

    Low: 26 °F

    Cloudy then
    Slight Chance
    Snow

  • Sunday

    Sunday: A 30 percent chance of snow, mainly before noon. Mostly cloudy, with a high near 32. Breezy.

    High: 32 °F

    Chance Snow
    and Breezy

  • Sunday Night

    Sunday Night: A 30 percent chance of snow, mainly after midnight. Mostly cloudy, with a low around 21.

    Low: 21 °F

    Chance Snow

  • Monday

    Monday: Partly sunny, with a high near 31.

    High: 31 °F

    Partly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 20.

    Low: 20 °F

    Mostly Cloudy

Detailed Forecast

Overnight
Mostly cloudy, with a low around 34. Breezy, with a southwest wind 15 to 20 mph, with gusts as high as 40 mph.
Friday
A chance of rain and snow before 9am, then a chance of snow between 9am and noon. Cloudy, with a high near 37. Breezy, with a west wind 20 to 25 mph, with gusts as high as 45 mph. Chance of precipitation is 50%.
Friday Night
Mostly cloudy, with a low around 27. Breezy, with a west wind 15 to 20 mph decreasing to 10 to 15 mph after midnight. Winds could gust as high as 30 mph.
Saturday
Partly sunny, with a high near 37. West northwest wind around 10 mph, with gusts as high as 20 mph.
Saturday Night
A 20 percent chance of snow after midnight. Cloudy, with a low around 26. West northwest wind 10 to 15 mph, with gusts as high as 20 mph.
Sunday
A 30 percent chance of snow, mainly before noon. Mostly cloudy, with a high near 32. Breezy.
Sunday Night
A 30 percent chance of snow, mainly after midnight. Mostly cloudy, with a low around 21.
Monday
Partly sunny, with a high near 31.
Monday Night
Mostly cloudy, with a low around 20.
Tuesday
Partly sunny, with a high near 41.
Tuesday Night
Mostly cloudy, with a low around 34.
Wednesday
Partly sunny, with a high near 46.
Wednesday Night
Partly cloudy, with a low around 26.
Thursday
Mostly sunny, with a high near 42.
Basemap Options
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Summit Argo IL
 41.78°N 87.83°W
Last Update:
3:41 am CST Feb 20, 2026
Forecast Valid:
3am CST Feb 20, 2026-6pm CST Feb 26, 2026
 
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Additional Resources

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High Temperature

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Chance of Precipitation