Lake-effect Snow and Whiteout Conditions in the Great Lakes Region; Below-average Temperatures in the East

Heavy lake-effect and lake-enhanced snow will persist downwind of the Great Lakes and produce some whiteout conditions that could cause difficult travel conditions. A coastal low will produce moderate to heavy snow over parts of southern and eastern New England into the afternoon. Below average temperatures are expected across the eastern U.S., particularly with chilly morning temperatures. Read More >

Current conditions at

John Glenn Columbus International Airport (KCMH)

Lat: 39.99°NLon: 82.88°WElev: 807ft.

Partly Cloudy

7°F

-14°C

Humidity 60%
Wind Speed W 10 mph
Barometer 30.36 in (1030.0 mb)
Dewpoint -4°F (-20°C)
Visibility 10.00 mi
Wind Chill-7°F (-22°C)
Last update 20 Jan 5:51 am EST
Extended Forecast for

Columbus OH

Cold Weather Advisory January 20, 06:15am until January 20, 10:00am
Click here for hazard details and duration
...
  •  
    Cold Weather Advisory January 20, 06:15am until January 20, 10:00am

    NOW until 10:00am Tue

    Cold Weather Advisory

  • Today

    High: 21 °F

    Becoming
    Sunny

  • Tonight

    Tonight: Increasing clouds, with a low around 15. South wind 6 to 9 mph.

    Low: 15 °F

    Increasing
    Clouds

  • Wednesday

    Wednesday: A chance of snow.  Mostly cloudy, with a high near 39. South wind 10 to 18 mph, with gusts as high as 34 mph.  Chance of precipitation is 40%. New snow accumulation of less than a half inch possible.

    High: 39 °F

    Chance Snow

  • Wednesday Night

    Wednesday Night: A slight chance of snow before 1am.  Mostly cloudy, with a low around 27. Southwest wind 8 to 14 mph.  Chance of precipitation is 20%.

    Low: 27 °F

    Slight Chance
    Snow

  • Thursday

    Thursday: Mostly sunny, with a high near 32. West wind around 10 mph, with gusts as high as 20 mph.

    High: 32 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 11.

    Low: 11 °F

    Mostly Cloudy

  • Friday

    Friday: Partly sunny, with a high near 19.

    High: 19 °F

    Partly Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 3.

    Low: 3 °F

    Mostly Cloudy

Detailed Forecast

Today
Partly sunny through mid morning, then becoming sunny, with a high near 21. Wind chill values as low as -6. West wind 8 to 11 mph.
Tonight
Increasing clouds, with a low around 15. South wind 6 to 9 mph.
Wednesday
A chance of snow. Mostly cloudy, with a high near 39. South wind 10 to 18 mph, with gusts as high as 34 mph. Chance of precipitation is 40%. New snow accumulation of less than a half inch possible.
Wednesday Night
A slight chance of snow before 1am. Mostly cloudy, with a low around 27. Southwest wind 8 to 14 mph. Chance of precipitation is 20%.
Thursday
Mostly sunny, with a high near 32. West wind around 10 mph, with gusts as high as 20 mph.
Thursday Night
Mostly cloudy, with a low around 11.
Friday
Partly sunny, with a high near 19.
Friday Night
Mostly cloudy, with a low around 3.
Saturday
A chance of snow after 1pm. Mostly cloudy, with a high near 13. Chance of precipitation is 30%.
Saturday Night
A chance of snow. Mostly cloudy, with a low around 7. Chance of precipitation is 50%.
Sunday
A chance of snow. Partly sunny, with a high near 16. Chance of precipitation is 30%.
Sunday Night
Partly cloudy, with a low around 3.
Monday
Mostly sunny, with a high near 20.
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ABOUT THIS FORECAST

 
Point Forecast:
Columbus OH
 39.98°N 83°W (Elev. 784 ft)
4:40 am EST Jan 20, 2026
6am EST Jan 20, 2026-6pm EST Jan 26, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database