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 >

Hazardous Weather Conditions

Winter Storm Warning until December 26, 10:00 PM PST

Current conditions at

CHESTER (CESC1)

Lat: 40.29261° N Lon: 121.24394° W Elev: 4547.0 ft.

35°F

2°C

Humidity	71%
Wind Speed	SSW 10 MPH
Barometer	NA
Dewpoint	26°F (-3°C)
Visibility	NA
Wind Chill	27°F (-3°C)
Last update	26 Dec 02:02 AM PST

More Information:

Local Forecast Office More Local Wx 3 Day History Hourly Weather Forecast

Detailed forecast for

Western Plumas County/Lassen Park

Today

Breezy. Rain and snow likely early in the morning, then a chance of rain and snow late in the morning. Heavy rain and snow in the afternoon. Highs 28 to 43. Snow accumulation 2 to 4 inches lower elevations...except 2 to 8 inches higher elevations. Snow level 4500 feet. Prevailing south winds 10 to 25 mph with gusts to around 50 mph.

Tonight

Rain and snow likely in the evening, then a chance of rain and snow after midnight. Colder. Lows 20 to 35. Snow accumulation up to 3 inches lower elevations...except 1 to 7 inches higher elevations. Snow level 4500 feet. Prevailing southwest winds up to 15 mph with gusts to around 30 mph.

Saturday

Mostly cloudy with a chance of rain and snow in the morning, then partly cloudy with a slight chance of rain and snow in the afternoon. Highs 29 to 44. Little or no snow accumulation lower elevations...up to 1 inch higher elevations. Snow level 3500 feet. Light winds.

Saturday Night

Mostly clear. Colder. Lows 17 to 32. Prevailing northeast winds up to 10 mph with gusts to around 25 mph.

Sunday

Partly cloudy in the morning then clearing. Not as cool. Highs 28 to 43 higher elevations...34 to 49 lower elevations. Prevailing northeast winds up to 10 mph with gusts to around 25 mph.

Sunday Night

Clear. Lows 17 to 32.

Monday

Sunny. Not as cool. Highs 35 to 50.

Monday Night Through Tuesday Night

Clear. Lows 21 to 36. Highs 38 to 53.

Wednesday

Mostly sunny. Highs 39 to 54.

Wednesday Night

Mostly cloudy. Lows 26 to 41.

New Years Day

Mostly cloudy with a chance of rain and snow. Highs 35 to 50.