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.

64°F

18°C

Humidity 94%
Wind Speed SW 9 mph
Barometer 30.07 in
Dewpoint 63°F (17°C)
Visibility 10.00 mi
Last update 25 Dec 4:25 pm EST
Extended Forecast for

Mooresburg TN

  • Tonight

    Tonight: A 30 percent chance of showers, mainly before 1am. Patchy fog after 1am. Otherwise, mostly cloudy, with a low around 55. Calm wind.

    Low: 55 °F

    Chance
    Showers and
    Patchy Fog

  • Friday

    Friday: A slight chance of showers before noon, then a slight chance of showers after 2pm. Patchy fog before 9am. Otherwise, mostly cloudy, with a high near 68. Light southwest wind increasing to 5 to 10 mph in the morning. Winds could gust as high as 20 mph. Chance of precipitation is 20%.

    High: 68 °F

    Slight Chance
    Showers and
    Patchy Fog

  • Friday Night

    Friday Night: A 30 percent chance of showers, mainly before 1am. Mostly cloudy, with a low around 57. Southwest wind around 5 mph becoming calm after midnight. Winds could gust as high as 20 mph.

    Low: 57 °F

    Chance
    Showers

  • Saturday

    Saturday: Partly sunny, with a high near 70. Calm wind.

    High: 70 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 51. Calm wind.

    Low: 51 °F

    Mostly Cloudy

  • Sunday

    Sunday: Mostly cloudy, with a high near 69. Calm wind becoming south around 5 mph in the afternoon.

    High: 69 °F

    Mostly Cloudy

  • Sunday Night

    Sunday Night: Showers likely, mainly after 1am. Mostly cloudy, with a low around 45. Southwest wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 70%.

    Low: 45 °F

    Slight Chance
    Showers then
    Showers
    Likely

  • Monday

    Monday: Showers likely, mainly before 1pm. Mostly cloudy, with a high near 57. Chance of precipitation is 70%.

    High: 57 °F

    Showers
    Likely

  • Monday Night

    Monday Night: A slight chance of rain showers before 10pm, then a slight chance of snow showers between 10pm and 1am. Mostly cloudy, with a low around 20. Chance of precipitation is 20%.

    Low: 20 °F

    Slight Chance
    Rain/Snow
    then Slight
    Chance Snow
    Showers

Detailed Forecast

Tonight
A 30 percent chance of showers, mainly before 1am. Patchy fog after 1am. Otherwise, mostly cloudy, with a low around 55. Calm wind.
Friday
A slight chance of showers before noon, then a slight chance of showers after 2pm. Patchy fog before 9am. Otherwise, mostly cloudy, with a high near 68. Light southwest wind increasing to 5 to 10 mph in the morning. Winds could gust as high as 20 mph. Chance of precipitation is 20%.
Friday Night
A 30 percent chance of showers, mainly before 1am. Mostly cloudy, with a low around 57. Southwest wind around 5 mph becoming calm after midnight. Winds could gust as high as 20 mph.
Saturday
Partly sunny, with a high near 70. Calm wind.
Saturday Night
Mostly cloudy, with a low around 51. Calm wind.
Sunday
Mostly cloudy, with a high near 69. Calm wind becoming south around 5 mph in the afternoon.
Sunday Night
Showers likely, mainly after 1am. Mostly cloudy, with a low around 45. Southwest wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 70%.
Monday
Showers likely, mainly before 1pm. Mostly cloudy, with a high near 57. Chance of precipitation is 70%.
Monday Night
A slight chance of rain showers before 10pm, then a slight chance of snow showers between 10pm and 1am. Mostly cloudy, with a low around 20. Chance of precipitation is 20%.
Tuesday
Sunny, with a high near 35.
Tuesday Night
Mostly clear, with a low around 21.
Wednesday
Mostly sunny, with a high near 41.
Wednesday Night
Partly cloudy, with a low around 23.
New Year's Day
Sunny, with a high near 43.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Mooresburg TN
 36.34°N 83.23°W (Elev. 1207 ft)
Last Update:
12:31 pm EST Dec 25, 2025
Forecast Valid:
5pm EST Dec 25, 2025-6pm EST Jan 1, 2026
 
Forecast Discussion
 
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Additional Resources

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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