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

WHISKEYTOWN HQ#2 (OBRC1)

Lat: 40.61051°NLon: 122.52731°WElev: 1360.0ft.

45°F

7°C

Humidity	86%
Wind Speed	S 4 MPH
Barometer	NA
Dewpoint	41°F (5°C)
Visibility	NA
Wind Chill	43°F (6°C)
Last update	26 Dec 02:00 AM PST

More Information:

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

Extended Forecast for

11 Miles ESE Lewiston CA

Flood Watch December 26, 02:27am until December 26, 04:00pm

Winter Storm Warning December 26, 02:27am until December 26, 10:00pm

Click here for hazard details and duration

Flood Watch

Winter Storm Warning

Flood Watch December 26, 02:27am until December 26, 04:00pm
Winter Storm Warning December 26, 02:27am until December 26, 10:00pm
NOW: Multiple hazards in effect
Click HERE for Details
Overnight
Low: 38 °F
Rain
Friday
High: 45 °F
Heavy Rain
Friday Night
Low: 29 °F
Chance Rain
then Slight
Chance Rain
Saturday
High: 48 °F
Slight Chance
Rain/Snow
then Sunny
Saturday Night
Low: 28 °F
Partly Cloudy
Sunday
High: 53 °F
Sunny
Sunday Night
Low: 32 °F
Mostly Clear
Monday
High: 58 °F
Sunny

Detailed Forecast

Overnight

Rain. Steady temperature around 38. East southeast wind 11 to 13 mph, with gusts as high as 25 mph. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.

Friday

Rain. The rain could be heavy at times. High near 45. Southeast wind 8 to 13 mph, with gusts as high as 25 mph. Chance of precipitation is 100%. New precipitation amounts between 1 and 2 inches possible.

Friday Night

A chance of rain before midnight, then a slight chance of rain after 4am. Mostly cloudy, with a low around 29. South southwest wind around 6 mph becoming west northwest after midnight. Chance of precipitation is 40%. New precipitation amounts between a tenth and quarter of an inch possible.

Saturday

A slight chance of rain and snow before 10am. Sunny, with a high near 48. Northwest wind around 5 mph. Chance of precipitation is 20%.

Saturday Night

Partly cloudy, with a low around 28. North northwest wind around 7 mph.

Sunday

Sunny, with a high near 53.

Sunday Night

Mostly clear, with a low around 32.

Monday

Sunny, with a high near 58.

Monday Night

Mostly clear, with a low around 34.