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

Monroe County Airport (KMNV)

Lat: 35.55° N Lon: 84.38° W Elev: 1031 ft.

Overcast

61°F

16°C

Humidity 100%
Wind Speed SW 7 mph
Barometer 30.02 in
Dewpoint 61°F (16°C)
Visibility 10.00 mi
Last update 26 Dec 5:35 am EST
Detailed forecast for

Loudon County

Rest Of Tonight
Mostly cloudy. Near steady temperature in the mid 50s. Light winds.
Friday
Mostly cloudy. A slight chance of showers late. Highs in the upper 60s. Southwest winds 5 to 15 mph with gusts up to 25 mph. Chance of rain 20 percent.
Friday Night
Mostly cloudy. Lows in the upper 50s. Southwest winds 10 mph or less.
Saturday
Mostly sunny. Highs in the lower 70s. Light winds.
Saturday Night
Partly cloudy in the evening, then becoming mostly cloudy. Lows in the upper 50s. Light winds.
Sunday
Cloudy in the morning, then becoming partly sunny. Highs in the lower 70s.
Sunday Night
Mostly cloudy. A chance of showers in the evening, then showers after midnight. Lows in the mid 40s. Chance of rain 80 percent.
Monday
Mostly cloudy with showers likely in the morning, then mostly sunny with a slight chance of showers in the afternoon. Highs around 60. Temperature falling to around 40 in the afternoon. Chance of rain 70 percent.
Monday Night
Partly cloudy. Much colder with lows in the lower 20s.
Tuesday
Sunny. Much cooler with highs in the upper 30s.
Tuesday Night
Mostly clear. Cold with lows in the lower 20s.
Wednesday
Mostly sunny. Highs in the mid 40s.
Wednesday Night
Partly cloudy in the evening, then clearing. Cold with lows in the mid 20s.
New Years Day
Mostly sunny. Highs in the mid 40s.



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1233 AM EST Fri Dec 26 2025
 
 

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database