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

Atmospheric River Bringing Heavy Rain to Southern California and Heavy Snow to the Sierra Nevadas

A strong atmospheric river will continue heavy rain over southern California through Friday. The heaviest rainfall is ongoing today in the Los Angeles Basin. Flash and urban flooding is possible. A prolonged heavy snowfall has begun over the Sierra Nevada Mountains and will continue through Friday. Travel will become increasingly difficult over the passes due to snow and strong winds. Read More >

Current conditions at

Morristown Moore-Murrell Airport (KMOR)

Lat: 36.18°NLon: 83.38°WElev: 1313ft.

59°F

15°C

Humidity 100%
Wind Speed W 10 G 16 mph
Barometer NA
Dewpoint 59°F (15°C)
Visibility 10.00 mi
Last update 25 Dec 4:55 am EST
Extended Forecast for

Jefferson City TN

  • Christmas Day

    Christmas Day: A slight chance of showers between 11am and 3pm. Mostly cloudy, with a high near 68. West wind 5 to 10 mph. Chance of precipitation is 20%.

    High: 68 °F

    Slight Chance
    Showers

  • Tonight

    Tonight: A 20 percent chance of showers before midnight. Mostly cloudy, with a low around 57. Calm wind becoming southwest around 5 mph.

    Low: 57 °F

    Slight Chance
    Showers then
    Mostly Cloudy

  • Friday

    Friday: A 20 percent chance of showers. Mostly cloudy, with a high near 70. Southwest wind 5 to 15 mph, with gusts as high as 20 mph.

    High: 70 °F

    Slight Chance
    Showers

  • Friday Night

    Friday Night: A 40 percent chance of showers. Mostly cloudy, with a low around 59. Southwest wind 5 to 10 mph, with gusts as high as 20 mph.

    Low: 59 °F

    Chance
    Showers

  • Saturday

    Saturday: Partly sunny, with a high near 71. Southwest wind around 5 mph.

    High: 71 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 54. Calm wind.

    Low: 54 °F

    Mostly Cloudy

  • Sunday

    Sunday: A 20 percent chance of showers after 1pm. Mostly cloudy, with a high near 71. Light south wind becoming southwest 5 to 10 mph in the morning. Winds could gust as high as 20 mph.

    High: 71 °F

    Mostly Cloudy
    then Slight
    Chance
    Showers

  • Sunday Night

    Sunday Night: Showers likely, mainly after 1am. Mostly cloudy, with a low around 41. Chance of precipitation is 70%.

    Low: 41 °F

    Chance
    Showers then
    Showers
    Likely

  • Monday

    Monday: Showers likely, mainly before 1pm. Mostly cloudy, with a high near 55. Breezy. Chance of precipitation is 60%.

    High: 55 °F

    Showers
    Likely and
    Breezy

Detailed Forecast

Christmas Day
A slight chance of showers between 11am and 3pm. Mostly cloudy, with a high near 68. West wind 5 to 10 mph. Chance of precipitation is 20%.
Tonight
A 20 percent chance of showers before midnight. Mostly cloudy, with a low around 57. Calm wind becoming southwest around 5 mph.
Friday
A 20 percent chance of showers. Mostly cloudy, with a high near 70. Southwest wind 5 to 15 mph, with gusts as high as 20 mph.
Friday Night
A 40 percent chance of showers. Mostly cloudy, with a low around 59. Southwest wind 5 to 10 mph, with gusts as high as 20 mph.
Saturday
Partly sunny, with a high near 71. Southwest wind around 5 mph.
Saturday Night
Mostly cloudy, with a low around 54. Calm wind.
Sunday
A 20 percent chance of showers after 1pm. Mostly cloudy, with a high near 71. Light south wind becoming southwest 5 to 10 mph in the morning. Winds could gust as high as 20 mph.
Sunday Night
Showers likely, mainly after 1am. Mostly cloudy, with a low around 41. Chance of precipitation is 70%.
Monday
Showers likely, mainly before 1pm. Mostly cloudy, with a high near 55. Breezy. Chance of precipitation is 60%.
Monday Night
Partly cloudy, with a low around 20.
Tuesday
Sunny, with a high near 34.
Tuesday Night
Mostly clear, with a low around 20.
Wednesday
Sunny, with a high near 42.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Jefferson City TN
 36.13°N 83.48°W (Elev. 1099 ft)
Last Update:
12:31 am EST Dec 25, 2025
Forecast Valid:
5am EST Dec 25, 2025-6pm EST Dec 31, 2025
 
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