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

Chillicothe Ross County Airport (KRZT)

Lat: 39.44°NLon: 83.02°WElev: 725ft.

9°F

-13°C

Humidity 66%
Wind Speed W 3 mph
Barometer 30.40 in
Dewpoint 0°F (-18°C)
Visibility 10.00 mi
Last update 20 Jan 5:15 am EST
Extended Forecast for

5 Miles S Adelphi OH

Cold Weather Advisory January 20, 05:38am until January 20, 10:00am
Click here for hazard details and duration
...
  •  
    Cold Weather Advisory January 20, 05:38am 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 3 to 8 mph.

    Low: 15 °F

    Increasing
    Clouds

  • Wednesday

    Wednesday: A chance of rain after 1pm, mixing with snow after 4pm.  Mostly cloudy, with a high near 41. South wind 10 to 15 mph, with gusts as high as 28 mph.  Chance of precipitation is 30%. Little or no snow accumulation expected.

    High: 41 °F

    Mostly Cloudy
    then Chance
    Rain/Snow

  • Wednesday Night

    Wednesday Night: A chance of rain and snow before 10pm, then a slight chance of snow between 10pm and 1am.  Mostly cloudy, with a low around 28. Southwest wind 8 to 13 mph, with gusts as high as 23 mph.  Chance of precipitation is 30%. Little or no snow accumulation expected.

    Low: 28 °F

    Chance
    Rain/Snow
    then Slight
    Chance Snow

  • Thursday

    Thursday: Partly sunny, with a high near 35. West wind 7 to 9 mph, with gusts as high as 20 mph.

    High: 35 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 15.

    Low: 15 °F

    Mostly Cloudy

  • Friday

    Friday: Partly sunny, with a high near 22.

    High: 22 °F

    Partly Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 4.

    Low: 4 °F

    Mostly Cloudy

Detailed Forecast

Today
Partly sunny, then gradually becoming sunny, with a high near 21. Wind chill values as low as -6. West wind 7 to 9 mph.
Tonight
Increasing clouds, with a low around 15. South wind 3 to 8 mph.
Wednesday
A chance of rain after 1pm, mixing with snow after 4pm. Mostly cloudy, with a high near 41. South wind 10 to 15 mph, with gusts as high as 28 mph. Chance of precipitation is 30%. Little or no snow accumulation expected.
Wednesday Night
A chance of rain and snow before 10pm, then a slight chance of snow between 10pm and 1am. Mostly cloudy, with a low around 28. Southwest wind 8 to 13 mph, with gusts as high as 23 mph. Chance of precipitation is 30%. Little or no snow accumulation expected.
Thursday
Partly sunny, with a high near 35. West wind 7 to 9 mph, with gusts as high as 20 mph.
Thursday Night
Mostly cloudy, with a low around 15.
Friday
Partly sunny, with a high near 22.
Friday Night
Mostly cloudy, with a low around 4.
Saturday
A chance of snow after 1pm. Mostly cloudy, with a high near 14. Chance of precipitation is 40%.
Saturday Night
Snow likely, mainly after 1am. Mostly cloudy, with a low around 8. Chance of precipitation is 60%.
Sunday
A chance of snow. Mostly cloudy, with a high near 18. Chance of precipitation is 30%.
Sunday Night
Partly cloudy, with a low around 5.
Monday
Mostly sunny, with a high near 21.
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ABOUT THIS FORECAST

 
Point Forecast:
5 Miles S Adelphi OH
 39.41°N 82.78°W (Elev. 899 ft)
4:40 am EST Jan 20, 2026
5am 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