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

Greenville Downtown Airport (KGMU)

Lat: 34.85° N Lon: 82.35° W Elev: 1010 ft.

Fair

75°F

24°C

Humidity 46%
Wind Speed S 7 mph
Barometer 30.21 in (1022.6 mb)
Dewpoint 53°F (12°C)
Visibility 10.00 mi
Last update 24 Dec 2:53 pm EST
Detailed forecast for

Southern Greenville

This Afternoon
Sunny. Highs in the mid 70s. South winds around 5 mph.
Tonight
Mostly cloudy. Lows in the lower 50s. South winds around 5 mph.
Christmas Day
Sunny. Highs in the mid 70s. Southwest winds 5 to 10 mph.
Thursday Night
Partly cloudy. Lows in the lower 50s. West winds 5 to 10 mph.
Friday
Partly sunny. Highs in the upper 60s. Northeast winds around 5 mph, becoming southwest in the afternoon.
Friday Night
Mostly cloudy in the evening, then clearing. Lows in the lower 50s.
Saturday
Sunny. Highs in the upper 70s.
Saturday Night
Partly cloudy. Lows in the lower 50s.
Sunday
Mostly cloudy. Highs in the upper 60s.
Sunday Night
Mostly cloudy. Lows in the lower 50s.
Monday
Partly sunny in the morning, then becoming mostly sunny. Highs in the lower 60s. Temperature falling into the mid 50s in the afternoon.
Monday Night
Partly cloudy. Much cooler with lows in the mid 20s.
Tuesday
Sunny, cooler with highs in the mid 40s.



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1238 PM EST Wed Dec 24 2025
 
 

Additional Resources

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