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

28°F

-2°C

Humidity 75%
Wind Speed S 14 mph
Barometer 29.82 in (1011.3 mb)
Dewpoint 21°F (-6°C)
Visibility 10.00 mi
Wind Chill17°F (-8°C)
Last update 5 Feb 7:53 pm CST
Extended Forecast for

Summit IL

  • Tonight

    Tonight: Snow likely before 4am, then snow, possibly mixed with freezing rain. Low around 28. Southwest wind 5 to 10 mph, with gusts as high as 15 mph. Chance of precipitation is 80%. Little or no ice accumulation expected. Total nighttime snow accumulation of around an inch possible.

    Low: 28 °F

    Cloudy then
    Wintry Mix

  • Friday

    Friday: Snow and freezing rain before 9am, then scattered snow showers after 3pm. High near 37. Breezy, with a north northwest wind 10 to 15 mph increasing to 15 to 20 mph in the morning. Winds could gust as high as 35 mph. Chance of precipitation is 80%. Little or no ice accumulation expected. New snow accumulation of less than a half inch possible.

    High: 37 °F

    Breezy.
    Wintry Mix
    then
    Scattered
    Snow Showers

  • Friday Night

    Friday Night: Mostly cloudy, then gradually becoming mostly clear, with a low around 11. Wind chill values as low as -1. North wind 10 to 15 mph, with gusts as high as 25 mph.

    Low: 11 °F

    Decreasing
    Clouds

  • Saturday

    Saturday: Mostly sunny, with a high near 24. Wind chill values as low as -1. North northwest wind 5 to 10 mph becoming east southeast in the afternoon.

    High: 24 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 18. South southeast wind around 5 mph, with gusts as high as 15 mph.

    Low: 18 °F

    Mostly Cloudy

  • Sunday

    Sunday: Mostly cloudy, with a high near 32.

    High: 32 °F

    Mostly Cloudy

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 21.

    Low: 21 °F

    Mostly Cloudy

  • Monday

    Monday: Partly sunny, with a high near 40.

    High: 40 °F

    Partly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 30.

    Low: 30 °F

    Partly Cloudy

Detailed Forecast

Tonight
Snow likely before 4am, then snow, possibly mixed with freezing rain. Low around 28. Southwest wind 5 to 10 mph, with gusts as high as 15 mph. Chance of precipitation is 80%. Little or no ice accumulation expected. Total nighttime snow accumulation of around an inch possible.
Friday
Snow and freezing rain before 9am, then scattered snow showers after 3pm. High near 37. Breezy, with a north northwest wind 10 to 15 mph increasing to 15 to 20 mph in the morning. Winds could gust as high as 35 mph. Chance of precipitation is 80%. Little or no ice accumulation expected. New snow accumulation of less than a half inch possible.
Friday Night
Mostly cloudy, then gradually becoming mostly clear, with a low around 11. Wind chill values as low as -1. North wind 10 to 15 mph, with gusts as high as 25 mph.
Saturday
Mostly sunny, with a high near 24. Wind chill values as low as -1. North northwest wind 5 to 10 mph becoming east southeast in the afternoon.
Saturday Night
Mostly cloudy, with a low around 18. South southeast wind around 5 mph, with gusts as high as 15 mph.
Sunday
Mostly cloudy, with a high near 32.
Sunday Night
Mostly cloudy, with a low around 21.
Monday
Partly sunny, with a high near 40.
Monday Night
Partly cloudy, with a low around 30.
Tuesday
Mostly sunny, with a high near 48.
Tuesday Night
A chance of rain. Mostly cloudy, with a low around 35.
Wednesday
A chance of rain. Mostly cloudy, with a high near 43.
Wednesday Night
A chance of rain. Cloudy, with a low around 29.
Thursday
A chance of rain and snow. Mostly cloudy, with a high near 39.
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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:
8:31 pm CST Feb 5, 2026
Forecast Valid:
8pm CST Feb 5, 2026-6pm CST Feb 12, 2026
 
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Additional Resources

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Chance of Precipitation