Heavy Rainfall to Bring Flooding Threat to California; Heavy Snow in the Sierra

A strong atmospheric river will bring heavy rainfall to California through the holiday week. The heaviest rainfall is expected on Wednesday in the Los Angeles Basin. Flash and urban flooding is possible. A prolonged heavy snowfall is expected in the Sierra Nevada from the atmospheric river, raising concerns for major snow‐load impacts. Travel may be difficult to impossible over the passes. Read More >

Hazardous Weather Conditions

Winter Weather Advisory in effect from December 23, 10:00 PM PST until December 24, 04:00 PM PST

Current conditions at

OROVILLE (OVLW1)

Lat: 48.96311°NLon: 119.49161°WElev: 1450.0ft.

32°F

0°C

Humidity	82%
Wind Speed	NW 8 MPH
Barometer	NA
Dewpoint	27°F (-3°C)
Visibility	NA
Wind Chill	25°F (-4°C)
Last update	23 Dec 11:41 PM PST

More Information:

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

Extended Forecast for

12 Miles NW Tonasket WA

Winter Weather Advisory until December 24, 04:00pm

Click here for hazard details and duration

Winter Weather Advisory

Winter Weather Advisory until December 24, 04:00pm
NOW until 4:00pm Wed
Winter Weather Advisory
Overnight
Low: 30 °F
Wintry Mix
Likely
Wednesday
High: 37 °F
Rain/Snow
then Rain
Wednesday Night
Low: 28 °F
Partly Cloudy
Christmas Day
High: 37 °F
Rain/Snow
Likely
Thursday Night
Low: 30 °F
Rain Likely
then Slight
Chance Rain
Friday
High: 36 °F
Chance
Rain/Snow
Friday Night
Low: 21 °F
Slight Chance
Rain/Snow
then Partly
Cloudy
Saturday
High: 27 °F
Mostly Sunny

Detailed Forecast

Overnight

A chance of rain, snow, and freezing rain before 1am, then rain likely, possibly mixed with snow. Cloudy, with a low around 30. North wind 3 to 5 mph. Chance of precipitation is 60%. Little or no ice accumulation expected. Total nighttime snow accumulation of less than a half inch possible.

Wednesday

Rain, possibly mixed with snow, becoming all rain after 10am. High near 37. Northeast wind 5 to 9 mph. Chance of precipitation is 100%. New snow accumulation of less than a half inch possible.

Wednesday Night

Partly cloudy, with a low around 28. South wind 5 to 9 mph, with gusts as high as 20 mph.

Christmas Day

A chance of rain and snow between 10am and 1pm, then rain likely. Mostly cloudy, with a high near 37. Light and variable wind. Chance of precipitation is 60%. Little or no snow accumulation expected.

Thursday Night

Rain likely, mainly before 10pm. Mostly cloudy, with a low around 30. South wind 3 to 5 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

Friday

A chance of rain and snow before 1pm, then a chance of rain between 1pm and 4pm, then a slight chance of rain and snow after 4pm. Partly sunny, with a high near 36. Chance of precipitation is 50%. New snow accumulation of less than a half inch possible.

Friday Night

A slight chance of rain and snow before 7pm, then a slight chance of snow between 7pm and 10pm. Partly cloudy, with a low around 21. Chance of precipitation is 20%.

Saturday

Mostly sunny, with a high near 27.

Saturday Night

Mostly cloudy, with a low around 20.

Sunday

Mostly cloudy, with a high near 30.

Sunday Night

Mostly cloudy, with a low around 21.

Monday

Mostly cloudy, with a high near 33.

Monday Night

Mostly cloudy, with a low around 24.