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.

Snow Freezing Fog

28°F

-2°C

Humidity 88%
Wind Speed SE 10 G 21 mph
Barometer 30.12 in (1021.3 mb)
Dewpoint 25°F (-4°C)
Visibility 0.50 mi
Wind Chill19°F (-7°C)
Last update 29 Nov 1:53 pm CST
Extended Forecast for

McCook IL

Winter Storm Warning November 29, 02:02pm until November 30, 06:00am
Click here for hazard details and duration
Winter Storm Warning
  •  
    Winter Storm Warning November 29, 02:02pm until November 30, 06:00am

    NOW until 6:00am Sun

    Winter Storm Warning

  • This Afternoon

    High: 29 °F

    Heavy Snow
    and Patchy
    Blowing Snow

  • Tonight

    Tonight: Snow, mainly before 5am. Patchy blowing snow before 7pm. Low around 28. Southeast wind 10 to 15 mph becoming west after midnight. Winds could gust as high as 30 mph. Chance of precipitation is 100%. New snow accumulation of 2 to 4 inches possible.

    Low: 28 °F

    Snow and
    Patchy
    Blowing Snow

  • Sunday

    Sunday: Snow showers likely, mainly before 9am. Cloudy, with a high near 31. West northwest wind 10 to 15 mph, with gusts as high as 30 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.

    High: 31 °F

    Snow Showers
    Likely then
    Mostly Cloudy

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 15. West northwest wind 5 to 10 mph becoming light after midnight. Winds could gust as high as 15 mph.

    Low: 15 °F

    Mostly Cloudy

  • Monday

    Monday: A 50 percent chance of snow after noon. Cloudy, with a high near 27. Calm wind becoming southwest around 5 mph in the morning.

    High: 27 °F

    Mostly Cloudy
    then Chance
    Snow

  • Monday Night

    Monday Night: Snow likely, mainly before midnight. Cloudy, with a low around 17. Chance of precipitation is 70%.

    Low: 17 °F

    Snow Likely
    then Chance
    Snow

  • Tuesday

    Tuesday: Partly sunny, with a high near 24.

    High: 24 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 17.

    Low: 17 °F

    Mostly Cloudy

Detailed Forecast

This Afternoon
Snow. The snow could be heavy at times. Patchy blowing snow. High near 29. Southeast wind around 15 mph, with gusts as high as 30 mph. Chance of precipitation is 100%. Total daytime snow accumulation of 5 to 9 inches possible.
Tonight
Snow, mainly before 5am. Patchy blowing snow before 7pm. Low around 28. Southeast wind 10 to 15 mph becoming west after midnight. Winds could gust as high as 30 mph. Chance of precipitation is 100%. New snow accumulation of 2 to 4 inches possible.
Sunday
Snow showers likely, mainly before 9am. Cloudy, with a high near 31. West northwest wind 10 to 15 mph, with gusts as high as 30 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.
Sunday Night
Mostly cloudy, with a low around 15. West northwest wind 5 to 10 mph becoming light after midnight. Winds could gust as high as 15 mph.
Monday
A 50 percent chance of snow after noon. Cloudy, with a high near 27. Calm wind becoming southwest around 5 mph in the morning.
Monday Night
Snow likely, mainly before midnight. Cloudy, with a low around 17. Chance of precipitation is 70%.
Tuesday
Partly sunny, with a high near 24.
Tuesday Night
Mostly cloudy, with a low around 17.
Wednesday
Mostly cloudy, with a high near 30.
Wednesday Night
A chance of snow before midnight. Mostly cloudy, with a low around 10.
Thursday
Mostly sunny, with a high near 20.
Thursday Night
Mostly cloudy, with a low around 7.
Friday
Partly sunny, with a high near 27.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
McCook IL
 41.8°N 87.83°W
Last Update:
1:56 pm CST Nov 29, 2025
Forecast Valid:
2pm CST Nov 29, 2025-6pm CST Dec 5, 2025
 
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Additional Resources

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Chance of Precipitation