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 85%
Wind Speed W 7 mph
Barometer 29.85 in (1012.3 mb)
Dewpoint 24°F (-4°C)
Visibility 9.00 mi
Wind Chill21°F (-6°C)
Last update 6 Dec 5:53 am CST
Extended Forecast for

McCook IL

Winter Weather Advisory December 7, 12:00am until December 7, 09:00am
Click here for hazard details and duration
Winter Weather Advisory

  • Today

    Today: Mostly cloudy, with a high near 30. West northwest wind 5 to 10 mph.

    High: 30 °F

    Mostly Cloudy

  • Tonight

    Tonight: Snow, mainly after midnight. Low around 24. Southeast wind 5 to 10 mph becoming east northeast after midnight. Chance of precipitation is 100%. New snow accumulation of 2 to 4 inches possible.

    Low: 24 °F

    Slight Chance
    Snow then
    Snow

  • Sunday

    Sunday: Snow likely, mainly before noon. Cloudy, then gradually becoming mostly sunny, with a temperature falling to around 21 by 5pm. North wind 10 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 60%. New snow accumulation of around an inch possible.

    High: 28 °F⇓

    Snow Likely
    then Slight
    Chance Snow

  • Sunday Night

    Sunday Night: A 40 percent chance of snow showers. Mostly cloudy, with a low around 15. North wind 5 to 10 mph becoming east southeast after midnight. Winds could gust as high as 15 mph.

    Low: 15 °F

    Chance Snow
    Showers

  • Monday

    Monday: A 20 percent chance of snow showers before noon. Partly sunny, with a high near 23. South wind 5 to 10 mph.

    High: 23 °F

    Slight Chance
    Snow Showers
    then Mostly
    Sunny

  • Monday Night

    Monday Night: A 30 percent chance of snow after midnight. Mostly cloudy, with a low around 14.

    Low: 14 °F

    Mostly Cloudy
    then Chance
    Snow

  • Tuesday

    Tuesday: A 20 percent chance of snow before noon. Mostly cloudy, with a high near 38.

    High: 38 °F

    Slight Chance
    Snow then
    Cloudy

  • Tuesday Night

    Tuesday Night: Rain likely. Cloudy, with a low around 34.

    Low: 34 °F

    Rain Likely

  • Wednesday

    Wednesday: A chance of rain and snow before noon, then a chance of snow. Mostly cloudy, with a high near 36.

    High: 36 °F

    Chance
    Rain/Snow
    then Chance
    Snow

Detailed Forecast

Today
Mostly cloudy, with a high near 30. West northwest wind 5 to 10 mph.
Tonight
Snow, mainly after midnight. Low around 24. Southeast wind 5 to 10 mph becoming east northeast after midnight. Chance of precipitation is 100%. New snow accumulation of 2 to 4 inches possible.
Sunday
Snow likely, mainly before noon. Cloudy, then gradually becoming mostly sunny, with a temperature falling to around 21 by 5pm. North wind 10 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 60%. New snow accumulation of around an inch possible.
Sunday Night
A 40 percent chance of snow showers. Mostly cloudy, with a low around 15. North wind 5 to 10 mph becoming east southeast after midnight. Winds could gust as high as 15 mph.
Monday
A 20 percent chance of snow showers before noon. Partly sunny, with a high near 23. South wind 5 to 10 mph.
Monday Night
A 30 percent chance of snow after midnight. Mostly cloudy, with a low around 14.
Tuesday
A 20 percent chance of snow before noon. Mostly cloudy, with a high near 38.
Tuesday Night
Rain likely. Cloudy, with a low around 34.
Wednesday
A chance of rain and snow before noon, then a chance of snow. Mostly cloudy, with a high near 36.
Wednesday Night
A chance of snow before midnight. Mostly cloudy, with a low around 17.
Thursday
A chance of snow. Mostly cloudy, with a high near 25.
Thursday Night
A chance of snow. Mostly cloudy, with a low around 14.
Friday
Partly sunny, with a high near 21.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
McCook IL
 41.8°N 87.83°W
Last Update:
4:26 am CST Dec 6, 2025
Forecast Valid:
6am CST Dec 6, 2025-6pm CST Dec 12, 2025
 
Forecast Discussion
 
Get as KML Get as XML

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