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

Current conditions at

SUGARLOAF (SHF) (SLFC1)

Lat: 40.91596°NLon: 122.43483°WElev: 3259.0ft.

41°F

5°C

Humidity	100%
Wind Speed	WSW 32 MPH
Barometer	NA
Dewpoint	41°F (5°C)
Visibility	NA
Wind Chill	29°F (-2°C)
Last update	25 Dec 04:19 AM PST

More Information:

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

Extended Forecast for

13 Miles SE Trinity Center CA

Flood Watch December 25, 04:47am until December 26, 04:00pm

Winter Storm Warning until December 26, 10:00pm

Click here for hazard details and duration

Flood Watch

Winter Storm Warning

Flood Watch December 25, 04:47am until December 26, 04:00pm
Winter Storm Warning until December 26, 10:00pm
NOW: Multiple hazards in effect
Click HERE for Details
Overnight
Low: 39 °F
Rain and
Windy
Christmas Day
High: 37 °F
Rain/Snow and
Windy
Thursday Night
Low: 36 °F
Rain/Snow and
Breezy then
Snow
Friday
High: 36 °F
Snow
Friday Night
Low: 30 °F
Snow then
Chance Snow
Saturday
High: 38 °F
Chance Snow
Saturday Night
Low: 29 °F
Partly Cloudy
Sunday
High: 42 °F
Mostly Sunny

Detailed Forecast

Overnight

Rain. Steady temperature around 39. Windy, with a south southeast wind around 31 mph, with gusts as high as 48 mph. Chance of precipitation is 100%. New precipitation amounts between a tenth and quarter of an inch possible.

Christmas Day

Rain and snow before 2pm, then rain between 2pm and 3pm, then rain and snow after 3pm. Steady temperature around 37. Windy, with a south southeast wind 22 to 31 mph, with gusts as high as 41 mph. Chance of precipitation is 100%. Little or no snow accumulation expected.

Thursday Night

Rain and snow, becoming all snow after 10pm. Steady temperature around 36. Breezy, with a south southeast wind 20 to 22 mph, with gusts as high as 30 mph. Chance of precipitation is 90%. New snow accumulation of less than one inch possible.

Friday

Snow. High near 36. South southeast wind 13 to 20 mph, with gusts as high as 29 mph. Chance of precipitation is 100%. New snow accumulation of 1 to 3 inches possible.

Friday Night

Snow, mainly before 10pm. Low around 30. Northwest wind around 6 mph. Chance of precipitation is 80%. New snow accumulation of less than a half inch possible.

Saturday

A 30 percent chance of snow, mainly before 10am. Mostly sunny, with a high near 38. New snow accumulation of less than a half inch possible.

Saturday Night

Partly cloudy, with a low around 29.

Sunday

Mostly sunny, with a high near 42.

Sunday Night

Mostly clear, with a low around 34.

Monday

Sunny, with a high near 47.

Monday Night

Mostly clear, with a low around 37.