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

Heavy Great Lakes Snow through Friday; Extreme Cold and Potential for Major Winter Storm Late Week into this Weekend

Multiple clipper systems will bring cold temperatures and enhance lake-effect snow downwind of the Great Lakes. An arctic blast will bring frigid temperatures accompanied with gusty winds that may lead to dangerous wind chills beginning in the Northern Plains Thursday before expanding to the South and East. An expansive winter storm will start Friday in the Southern Rockies/Plains and Mid-South. Read More >

Hazardous Weather Conditions

Current conditions at

Chillicothe Ross County Airport (KRZT)

Lat: 39.44°NLon: 83.02°WElev: 725ft.

36°F

2°C

Humidity 87%
Wind Speed S 16 G 21 mph
Barometer 30.05 in
Dewpoint 32°F (0°C)
Visibility 10.00 mi
Wind Chill26°F (-3°C)
Last update 21 Jan 1:55 pm EST
Extended Forecast for

McDermott OH

Winter Storm Watch January 24, 07:00am until January 26, 01:00am
Click here for hazard details and duration
Winter Storm Watch

  • This Afternoon

    This Afternoon: Rain likely before 3pm, then rain and snow between 3pm and 5pm, then rain likely after 5pm. High near 41. Southwest wind around 10 mph, with gusts as high as 26 mph. Chance of precipitation is 80%. Little or no snow accumulation expected.

    High: 41 °F

    Rain/Snow

  • Tonight

    Tonight: A chance of rain and snow, mainly before 9pm. Cloudy, then gradually becoming partly cloudy, with a low around 30. West wind around 10 mph, with gusts as high as 25 mph. Chance of precipitation is 30%. Little or no snow accumulation expected.

    Low: 30 °F

    Chance
    Rain/Snow
    then Mostly
    Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 38. West wind around 7 mph.

    High: 38 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 21. Calm wind.

    Low: 21 °F

    Mostly Cloudy

  • Friday

    Friday: Mostly cloudy, with a high near 27. Northwest wind 3 to 7 mph.

    High: 27 °F

    Mostly Cloudy

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 7.

    Low: 7 °F

    Mostly Cloudy

  • Saturday

    Saturday: Snow likely, mainly after 1pm. Cloudy, with a high near 17. Chance of precipitation is 70%.

    High: 17 °F

    Chance Snow
    then Snow
    Likely

  • Saturday Night

    Saturday Night: Snow. The snow could be heavy at times. Low around 12. Chance of precipitation is 90%.

    Low: 12 °F

    Heavy Snow

  • Sunday

    Sunday: Snow likely, mainly before 1pm. Cloudy, with a high near 26. Chance of precipitation is 70%.

    High: 26 °F

    Snow Likely

Detailed Forecast

This Afternoon
Rain likely before 3pm, then rain and snow between 3pm and 5pm, then rain likely after 5pm. High near 41. Southwest wind around 10 mph, with gusts as high as 26 mph. Chance of precipitation is 80%. Little or no snow accumulation expected.
Tonight
A chance of rain and snow, mainly before 9pm. Cloudy, then gradually becoming partly cloudy, with a low around 30. West wind around 10 mph, with gusts as high as 25 mph. Chance of precipitation is 30%. Little or no snow accumulation expected.
Thursday
Mostly sunny, with a high near 38. West wind around 7 mph.
Thursday Night
Mostly cloudy, with a low around 21. Calm wind.
Friday
Mostly cloudy, with a high near 27. Northwest wind 3 to 7 mph.
Friday Night
Mostly cloudy, with a low around 7.
Saturday
Snow likely, mainly after 1pm. Cloudy, with a high near 17. Chance of precipitation is 70%.
Saturday Night
Snow. The snow could be heavy at times. Low around 12. Chance of precipitation is 90%.
Sunday
Snow likely, mainly before 1pm. Cloudy, with a high near 26. Chance of precipitation is 70%.
Sunday Night
A chance of snow before 1am. Mostly cloudy, with a low around 6. Chance of precipitation is 30%.
Monday
Mostly cloudy, with a high near 19.
Monday Night
Partly cloudy, with a low around 0.
Tuesday
Sunny, with a high near 24.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
McDermott OH
 38.83°N 83.07°W (Elev. 712 ft)
Last Update:
12:49 pm EST Jan 21, 2026
Forecast Valid:
2pm EST Jan 21, 2026-6pm EST Jan 27, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation