National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

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 >

Hazardous Weather Conditions

Current conditions at

Lansing Municipal Airport (KIGQ)

Lat: 41.54°NLon: 87.53°WElev: 607ft.

Fair

8°F

-13°C

Humidity 52%
Wind Speed W 12 mph
Barometer 30.30 in
Dewpoint -6°F (-21°C)
Visibility 10.00 mi
Wind Chill-7°F (-22°C)
Last update 13 Dec 7:55 pm CST
Extended Forecast for

South Chicago Heights IL

Cold Weather Advisory December 13, 08:06pm until December 14, 12:00pm
Click here for hazard details and duration
Cold Weather Advisory
  •  
    Cold Weather Advisory December 13, 08:06pm until December 14, 12:00pm

    NOW until 12:00pm Sun

    Cold Weather Advisory

  • Tonight

    Low: -2 °F

    Clear

  • Sunday

    Sunday: Sunny and cold, with a high near 10. Wind chill values as low as -21. Northwest wind 10 to 15 mph, with gusts as high as 20 mph.

    High: 10 °F

    Cold

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 2. Wind chill values as low as -13. South southwest wind 5 to 15 mph, with gusts as high as 20 mph.

    Low: 2 °F

    Partly Cloudy

  • Monday

    Monday: Partly sunny, with a high near 24. Wind chill values as low as -12. West southwest wind 10 to 15 mph, with gusts as high as 30 mph.

    High: 24 °F

    Partly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 15. West southwest wind 5 to 10 mph.

    Low: 15 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 36.

    High: 36 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 31.

    Low: 31 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Partly sunny, with a high near 39.

    High: 39 °F

    Partly Sunny

Detailed Forecast

Tonight
Clear, with a low around -2. Wind chill values as low as -20. West northwest wind around 15 mph, with gusts as high as 25 mph.
Sunday
Sunny and cold, with a high near 10. Wind chill values as low as -21. Northwest wind 10 to 15 mph, with gusts as high as 20 mph.
Sunday Night
Partly cloudy, with a low around 2. Wind chill values as low as -13. South southwest wind 5 to 15 mph, with gusts as high as 20 mph.
Monday
Partly sunny, with a high near 24. Wind chill values as low as -12. West southwest wind 10 to 15 mph, with gusts as high as 30 mph.
Monday Night
Partly cloudy, with a low around 15. West southwest wind 5 to 10 mph.
Tuesday
Partly sunny, with a high near 36.
Tuesday Night
Mostly cloudy, with a low around 31.
Wednesday
Partly sunny, with a high near 39.
Wednesday Night
A chance of showers after midnight. Cloudy, with a low around 32.
Thursday
Showers likely before noon. Mostly cloudy, with a high near 47.
Thursday Night
Partly cloudy, with a low around 17.
Friday
Mostly sunny, with a high near 31.
Friday Night
Mostly cloudy, with a low around 23.
Saturday
Mostly cloudy, with a high near 42.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
South Chicago Heights IL
 41.48°N 87.65°W
Last Update:
8:01 pm CST Dec 13, 2025
Forecast Valid:
8pm CST Dec 13, 2025-6pm CST Dec 20, 2025
 
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Additional Resources

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National Digital Forecast Database Maximum Temperature Forecast

High Temperature

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Chance of Precipitation