Very Cold Temperatures from the Northern Plains to Ohio Valley; Swath of Snow from the Midwest to Central Appalachians

Arctic air will bring very cold temperatures and dangerous wind chills from the Northern Plains to the Ohio Valley today, expanding into the Mid-South and Mid-Atlantic on Sunday. A swath of accumulating snow is expected today from the Midwest to Central Appalachians, expanding into portions of the Mid-Atlantic tonight into Sunday. Read More >

Current conditions at

Chicago, Chicago Midway Airport (KMDW)

Lat: 41.78°NLon: 87.76°WElev: 617ft.

Fair

3°F

-16°C

Humidity 57%
Wind Speed NW 14 G 25 mph
Barometer 30.37 in (1030.9 mb)
Dewpoint -9°F (-23°C)
Visibility 10.00 mi
Wind Chill-15°F (-26°C)
Last update 14 Dec 12:53 am CST
Extended Forecast for

Lyons IL

Cold Weather Advisory December 14, 01:56am until December 14, 12:00pm
Click here for hazard details and duration
Cold Weather Advisory
  •  
    Cold Weather Advisory December 14, 01:56am until December 14, 12:00pm

    NOW until 12:00pm Sun

    Cold Weather Advisory

  • Overnight

    Low: -1 °F

    Clear

  • Sunday

    Sunday: Sunny, with a high near 11. Wind chill values as low as -20. Northwest wind 10 to 15 mph, with gusts as high as 25 mph.

    High: 11 °F

    Sunny

  • Sunday Night

    Sunday Night: Increasing clouds, with a low around 5. Wind chill values as low as -10. South southwest wind 5 to 15 mph, with gusts as high as 25 mph.

    Low: 5 °F

    Increasing
    Clouds

  • Monday

    Monday: Partly sunny, with a high near 25. Wind chill values as low as -9. Breezy, with a west southwest wind 10 to 20 mph, with gusts as high as 30 mph.

    High: 25 °F

    Mostly Cloudy
    and Breezy
    then Partly
    Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 17. West southwest wind 5 to 10 mph.

    Low: 17 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 37.

    High: 37 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 32.

    Low: 32 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Partly sunny, with a high near 40.

    High: 40 °F

    Partly Sunny

Detailed Forecast

Overnight
Clear, with a low around -1. Wind chill values as low as -19. Northwest wind around 15 mph, with gusts as high as 25 mph.
Sunday
Sunny, with a high near 11. Wind chill values as low as -20. Northwest wind 10 to 15 mph, with gusts as high as 25 mph.
Sunday Night
Increasing clouds, with a low around 5. Wind chill values as low as -10. South southwest wind 5 to 15 mph, with gusts as high as 25 mph.
Monday
Partly sunny, with a high near 25. Wind chill values as low as -9. Breezy, with a west southwest wind 10 to 20 mph, with gusts as high as 30 mph.
Monday Night
Partly cloudy, with a low around 17. West southwest wind 5 to 10 mph.
Tuesday
Partly sunny, with a high near 37.
Tuesday Night
Mostly cloudy, with a low around 32.
Wednesday
Partly sunny, with a high near 40.
Wednesday Night
A chance of showers after midnight. Cloudy, with a low around 34.
Thursday
Showers likely before noon. Mostly cloudy, with a high near 47. Breezy.
Thursday Night
Partly cloudy, with a low around 18.
Friday
Mostly sunny, with a high near 31.
Friday Night
Mostly cloudy, with a low around 24.
Saturday
Mostly cloudy, with a high near 41.
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ABOUT THIS FORECAST

 
Point Forecast:
Lyons IL
 41.82°N 87.83°W
12:06 am CST Dec 14, 2025
1am CST Dec 14, 2025-6pm CST Dec 20, 2025
 
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Additional Resources

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