National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce
Current conditions at

Chicago, Chicago Midway Airport (KMDW)

Lat: 41.78°NLon: 87.76°WElev: 617ft.

Mostly Cloudy

34°F

1°C

Humidity 79%
Wind Speed SW 7 mph
Barometer 30.00 in (1016.7 mb)
Dewpoint 28°F (-2°C)
Visibility 10.00 mi
Wind Chill28°F (-2°C)
Last update 12 Jan 10:53 pm CST
Extended Forecast for

McCook IL

  • Tonight

    Tonight: Mostly cloudy, with a low around 34. Southwest wind 10 to 15 mph.

    Low: 34 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 51. Breezy, with a west southwest wind 15 to 20 mph, with gusts as high as 30 mph.

    High: 51 °F

    Partly Sunny
    and Breezy

  • Tuesday Night

    Tuesday Night: A slight chance of rain showers before 1am, then a slight chance of rain and snow showers between 1am and 4am, then a slight chance of snow showers after 4am. Mostly cloudy, with a low around 28. West wind 10 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 20%.

    Low: 28 °F

    Mostly Cloudy
    then Slight
    Chance
    Rain/Snow

  • Wednesday

    Wednesday: A 50 percent chance of snow showers, mainly before noon. Mostly cloudy, with a high near 31. Blustery, with a north northwest wind 15 to 25 mph, with gusts as high as 35 mph.

    High: 31 °F

    Chance Snow
    Showers and
    Blustery

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 15. North northwest wind around 15 mph, with gusts as high as 30 mph.

    Low: 15 °F

    Partly Cloudy

  • Thursday

    Thursday: Sunny, with a high near 26.

    High: 26 °F

    Sunny

  • Thursday Night

    Thursday Night: A 50 percent chance of snow. Mostly cloudy, with a low around 22.

    Low: 22 °F

    Chance Snow

  • Friday

    Friday: Snow likely, mainly after noon. Cloudy, with a high near 34.

    High: 34 °F

    Snow Likely

  • Friday Night

    Friday Night: A chance of snow. Mostly cloudy, with a low around 17.

    Low: 17 °F

    Chance Snow

Detailed Forecast

Tonight
Mostly cloudy, with a low around 34. Southwest wind 10 to 15 mph.
Tuesday
Partly sunny, with a high near 51. Breezy, with a west southwest wind 15 to 20 mph, with gusts as high as 30 mph.
Tuesday Night
A slight chance of rain showers before 1am, then a slight chance of rain and snow showers between 1am and 4am, then a slight chance of snow showers after 4am. Mostly cloudy, with a low around 28. West wind 10 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 20%.
Wednesday
A 50 percent chance of snow showers, mainly before noon. Mostly cloudy, with a high near 31. Blustery, with a north northwest wind 15 to 25 mph, with gusts as high as 35 mph.
Wednesday Night
Partly cloudy, with a low around 15. North northwest wind around 15 mph, with gusts as high as 30 mph.
Thursday
Sunny, with a high near 26.
Thursday Night
A 50 percent chance of snow. Mostly cloudy, with a low around 22.
Friday
Snow likely, mainly after noon. Cloudy, with a high near 34.
Friday Night
A chance of snow. Mostly cloudy, with a low around 17.
Saturday
A chance of snow. Mostly cloudy, with a high near 21.
Saturday Night
A chance of snow. Mostly cloudy, with a low around 7.
Sunday
Mostly cloudy, with a high near 18.
Sunday Night
Mostly cloudy, with a low around 8.
M.L.King Day
Partly sunny, with a high near 20.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
McCook IL
 41.8°N 87.83°W
Last Update:
9:36 pm CST Jan 12, 2026
Forecast Valid:
11pm CST Jan 12, 2026-6pm CST Jan 19, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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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