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

30°F

-1°C

Humidity 49%
Wind Speed NW 17 G 22 mph
Barometer 30.25 in (1025.6 mb)
Dewpoint 13°F (-11°C)
Visibility 10.00 mi
Wind Chill18°F (-8°C)
Last update 27 Nov 6:53 pm CST
Extended Forecast for

McCook IL

Winter Storm Watch November 29, 03:00am until November 30, 06:00am
Click here for hazard details and duration
Winter Storm Watch

  • Tonight

    Tonight: Isolated snow showers before midnight. Mostly cloudy, with a low around 24. West northwest wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 20%.

    Low: 24 °F

    Isolated Snow
    Showers then
    Mostly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 32. West northwest wind 5 to 10 mph, with gusts as high as 20 mph.

    High: 32 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Snow likely, mainly after 3am. Increasing clouds, with a low around 24. Calm wind becoming south southeast around 5 mph after midnight. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.

    Low: 24 °F

    Mostly Cloudy
    then Snow
    Likely

  • Saturday

    Saturday: Snow. The snow could be heavy at times. High near 31. Southeast wind 5 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 100%. New snow accumulation of 3 to 7 inches possible.

    High: 31 °F

    Heavy Snow

  • Saturday Night

    Saturday Night: Snow. Low around 27. Southeast wind 5 to 15 mph becoming west northwest after midnight. Winds could gust as high as 20 mph. Chance of precipitation is 100%.

    Low: 27 °F

    Snow

  • Sunday

    Sunday: A 40 percent chance of snow showers, mainly before noon. Mostly cloudy, with a high near 30.

    High: 30 °F

    Chance Snow
    Showers

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 10.

    Low: 10 °F

    Mostly Cloudy

  • Monday

    Monday: Partly sunny, with a high near 22.

    High: 22 °F

    Partly Sunny

  • Monday Night

    Monday Night: A chance of snow before midnight. Mostly cloudy, with a low around 11.

    Low: 11 °F

    Chance Snow
    then Mostly
    Cloudy

Detailed Forecast

Tonight
Isolated snow showers before midnight. Mostly cloudy, with a low around 24. West northwest wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 20%.
Friday
Mostly sunny, with a high near 32. West northwest wind 5 to 10 mph, with gusts as high as 20 mph.
Friday Night
Snow likely, mainly after 3am. Increasing clouds, with a low around 24. Calm wind becoming south southeast around 5 mph after midnight. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.
Saturday
Snow. The snow could be heavy at times. High near 31. Southeast wind 5 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 100%. New snow accumulation of 3 to 7 inches possible.
Saturday Night
Snow. Low around 27. Southeast wind 5 to 15 mph becoming west northwest after midnight. Winds could gust as high as 20 mph. Chance of precipitation is 100%.
Sunday
A 40 percent chance of snow showers, mainly before noon. Mostly cloudy, with a high near 30.
Sunday Night
Mostly cloudy, with a low around 10.
Monday
Partly sunny, with a high near 22.
Monday Night
A chance of snow before midnight. Mostly cloudy, with a low around 11.
Tuesday
Partly sunny, with a high near 23.
Tuesday Night
Mostly cloudy, with a low around 13.
Wednesday
Mostly cloudy, with a high near 29.
Wednesday Night
Mostly cloudy, with a low around 16.
Thursday
Partly sunny, with a high near 26.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
McCook IL
 41.8°N 87.83°W
Last Update:
3:25 pm CST Nov 27, 2025
Forecast Valid:
7pm CST Nov 27, 2025-6pm CST Dec 4, 2025
 
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