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.

Overcast

42°F

6°C

Humidity 68%
Wind Speed W 12 mph
Barometer 29.59 in (1002.6 mb)
Dewpoint 32°F (0°C)
Visibility 10.00 mi
Wind Chill35°F (2°C)
Last update 13 Jan 11:53 pm CST
Extended Forecast for

McCook IL

  • Overnight

    Overnight: A slight chance of rain and snow between 3am and 4am, then a chance of snow. Cloudy, with a low around 26. West northwest wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 50%.

    Low: 26 °F

    Chance
    Rain/Snow

  • Wednesday

    Wednesday: Snow likely, mainly before 8am. Mostly cloudy, with a temperature falling to around 23 by 4pm. Blustery, with a north northwest wind 15 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.

    High: 29 °F⇓

    Blustery.
    Snow Likely
    then Mostly
    Cloudy

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 16. North northwest wind 10 to 15 mph, with gusts as high as 25 mph.

    Low: 16 °F

    Partly Cloudy

  • Thursday

    Thursday: Sunny, with a high near 26. Northwest wind around 10 mph becoming southwest in the afternoon. Winds could gust as high as 15 mph.

    High: 26 °F

    Sunny

  • Thursday Night

    Thursday Night: Snow. Low around 23. South southwest wind 10 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 90%.

    Low: 23 °F

    Snow Likely
    then Snow

  • Friday

    Friday: Snow likely. Mostly cloudy, with a high near 36. Chance of precipitation is 70%.

    High: 36 °F

    Snow Likely

  • Friday Night

    Friday Night: A 50 percent chance of snow. Mostly cloudy, with a low around 15.

    Low: 15 °F

    Chance Snow

  • Saturday

    Saturday: A chance of snow. Mostly cloudy, with a high near 20.

    High: 20 °F

    Chance Snow

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 8.

    Low: 8 °F

    Mostly Cloudy

Detailed Forecast

Overnight
A slight chance of rain and snow between 3am and 4am, then a chance of snow. Cloudy, with a low around 26. West northwest wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 50%.
Wednesday
Snow likely, mainly before 8am. Mostly cloudy, with a temperature falling to around 23 by 4pm. Blustery, with a north northwest wind 15 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.
Wednesday Night
Partly cloudy, with a low around 16. North northwest wind 10 to 15 mph, with gusts as high as 25 mph.
Thursday
Sunny, with a high near 26. Northwest wind around 10 mph becoming southwest in the afternoon. Winds could gust as high as 15 mph.
Thursday Night
Snow. Low around 23. South southwest wind 10 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 90%.
Friday
Snow likely. Mostly cloudy, with a high near 36. Chance of precipitation is 70%.
Friday Night
A 50 percent chance of snow. Mostly cloudy, with a low around 15.
Saturday
A chance of snow. Mostly cloudy, with a high near 20.
Saturday Night
Mostly cloudy, with a low around 8.
Sunday
A chance of snow after noon. Partly sunny, with a high near 18.
Sunday Night
Mostly cloudy, with a low around 8.
M.L.King Day
Partly sunny, with a high near 18.
Monday Night
Partly cloudy, with a low around 3.
Tuesday
Mostly sunny, with a high near 16.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
McCook IL
 41.8°N 87.83°W
Last Update:
11:36 pm CST Jan 13, 2026
Forecast Valid:
12am CST Jan 14, 2026-6pm CST Jan 20, 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