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.

Light Snow

13°F

-11°C

Humidity 74%
Wind Speed W 17 G 23 mph
Barometer 30.06 in (1020.1 mb)
Dewpoint 6°F (-14°C)
Visibility 7.00 mi
Wind Chill-4°F (-20°C)
Last update 18 Jan 12:53 am CST
Extended Forecast for

McCook IL

  • Overnight

    Overnight: A chance of flurries. Mostly cloudy, with a steady temperature around 12. Wind chill values as low as -4. West southwest wind around 15 mph, with gusts as high as 20 mph.

    Low: 12 °F

    Chance
    Flurries

  • Sunday

    Sunday: Snow likely, mainly after 5pm. Mostly cloudy, with a high near 20. Wind chill values as low as -5. Southwest wind 10 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.

    High: 20 °F

    Partly Sunny
    then Snow
    Likely

  • Sunday Night

    Sunday Night: Snow, mainly before 11pm. Low around 3. Wind chill values as low as -15. Blustery, with a southwest wind 10 to 15 mph becoming west northwest 20 to 25 mph after midnight. Winds could gust as high as 35 mph. Chance of precipitation is 90%. New snow accumulation of less than one inch possible.

    Low: 3 °F

    Snow and
    Breezy then
    Slight Chance
    Snow and
    Blustery

  • M.L.King Day

    M.L.King Day: Mostly sunny and cold, with a high near 9. Wind chill values as low as -18. Blustery, with a west wind 15 to 20 mph, with gusts as high as 30 mph.

    High: 9 °F

    Cold and
    Blustery

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 3. West wind around 10 mph, with gusts as high as 20 mph.

    Low: 3 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 22.

    High: 22 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: A 40 percent chance of snow. Mostly cloudy, with a low around 16.

    Low: 16 °F

    Chance Snow

  • Wednesday

    Wednesday: Mostly cloudy, with a high near 30.

    High: 30 °F

    Mostly Cloudy

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 12.

    Low: 12 °F

    Partly Cloudy

Detailed Forecast

Overnight
A chance of flurries. Mostly cloudy, with a steady temperature around 12. Wind chill values as low as -4. West southwest wind around 15 mph, with gusts as high as 20 mph.
Sunday
Snow likely, mainly after 5pm. Mostly cloudy, with a high near 20. Wind chill values as low as -5. Southwest wind 10 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.
Sunday Night
Snow, mainly before 11pm. Low around 3. Wind chill values as low as -15. Blustery, with a southwest wind 10 to 15 mph becoming west northwest 20 to 25 mph after midnight. Winds could gust as high as 35 mph. Chance of precipitation is 90%. New snow accumulation of less than one inch possible.
M.L.King Day
Mostly sunny and cold, with a high near 9. Wind chill values as low as -18. Blustery, with a west wind 15 to 20 mph, with gusts as high as 30 mph.
Monday Night
Mostly cloudy, with a low around 3. West wind around 10 mph, with gusts as high as 20 mph.
Tuesday
Mostly sunny, with a high near 22.
Tuesday Night
A 40 percent chance of snow. Mostly cloudy, with a low around 16.
Wednesday
Mostly cloudy, with a high near 30.
Wednesday Night
Partly cloudy, with a low around 12.
Thursday
Mostly sunny, with a high near 21.
Thursday Night
Mostly cloudy, with a low around 14.
Friday
A chance of snow. Mostly cloudy, with a high near 29.
Friday Night
A chance of snow. Mostly cloudy, with a low around 11.
Saturday
A chance of snow. Partly sunny, with a high near 17.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
McCook IL
 41.8°N 87.83°W
Last Update:
1:16 am CST Jan 18, 2026
Forecast Valid:
1am CST Jan 18, 2026-6pm CST Jan 24, 2026
 
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Additional Resources

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Chance of Precipitation