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 79%
Wind Speed W 9 mph
Barometer 30.16 in (1022.4 mb)
Dewpoint 24°F (-4°C)
Visibility 10.00 mi
Wind Chill22°F (-6°C)
Last update 12 Mar 5:53 am CDT
Extended Forecast for

Summit IL

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

  • Today

    Today: Sunny, with a high near 47. West wind around 10 mph, with gusts as high as 20 mph.

    High: 47 °F

    Sunny

  • Tonight

    Tonight: Showers likely, mainly between 2am and 5am. Mostly cloudy, with a low around 36. Windy, with a south wind 10 to 20 mph increasing to 20 to 30 mph after midnight. Winds could gust as high as 45 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 36 °F

    Showers
    Likely and
    Windy

  • Friday

    Friday: Mostly cloudy, with a high near 46. Very windy, with a west wind 25 to 35 mph, with gusts as high as 55 mph.

    High: 46 °F

    Mostly Cloudy
    and Very
    Windy

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 32. North northwest wind 10 to 15 mph decreasing to 5 to 10 mph after midnight. Winds could gust as high as 35 mph.

    Low: 32 °F

    Mostly Cloudy

  • Saturday

    Saturday: A slight chance of snow showers before 4pm, then a slight chance of rain and snow showers. Cloudy, with a high near 42. North wind 5 to 10 mph becoming east southeast in the morning. Chance of precipitation is 20%.

    High: 42 °F

    Slight Chance
    Snow Showers
    then Slight
    Chance
    Rain/Snow

  • Saturday Night

    Saturday Night: Rain likely, possibly mixed with snow showers, mainly after 1am. Cloudy, with a low around 36. Chance of precipitation is 70%.

    Low: 36 °F

    Chance
    Rain/Snow
    then
    Rain/Snow
    Likely

  • Sunday

    Sunday: Rain, possibly mixed with snow showers, becoming all rain after 7am. Some thunder is also possible. High near 54. Chance of precipitation is 100%.

    High: 54 °F

    Rain/Snow
    then Showers

  • Sunday Night

    Sunday Night: Rain and snow showers, becoming all snow after 1am. Cloudy, with a low around 20. Blustery.

    Low: 20 °F

    Rain/Snow and
    Blustery

  • Monday

    Monday: A chance of snow before 1pm. Mostly cloudy, with a high near 26. Blustery.

    High: 26 °F

    Chance Snow
    and Blustery

Detailed Forecast

Today
Sunny, with a high near 47. West wind around 10 mph, with gusts as high as 20 mph.
Tonight
Showers likely, mainly between 2am and 5am. Mostly cloudy, with a low around 36. Windy, with a south wind 10 to 20 mph increasing to 20 to 30 mph after midnight. Winds could gust as high as 45 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Friday
Mostly cloudy, with a high near 46. 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 32. North 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 and snow showers. Cloudy, with a high near 42. North wind 5 to 10 mph becoming east southeast in the morning. Chance of precipitation is 20%.
Saturday Night
Rain likely, possibly mixed with snow showers, mainly after 1am. Cloudy, with a low around 36. Chance of precipitation is 70%.
Sunday
Rain, possibly mixed with snow showers, becoming all rain after 7am. Some thunder is also possible. High near 54. Chance of precipitation is 100%.
Sunday Night
Rain and snow showers, becoming all snow after 1am. Cloudy, with a low around 20. Blustery.
Monday
A chance of snow before 1pm. Mostly cloudy, with a high near 26. Blustery.
Monday Night
Partly cloudy, with a low around 10.
Tuesday
Mostly sunny, with a high near 27.
Tuesday Night
Mostly cloudy, with a low around 19.
Wednesday
Mostly cloudy, with a high near 40.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Summit IL
 41.8°N 87.83°W
Last Update:
3:11 am CDT Mar 12, 2026
Forecast Valid:
6am CDT Mar 12, 2026-6pm CDT Mar 18, 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