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

Dense Fog Advisory until December 25, 10:00 AM PST

Current conditions at

US97 NB at Mt Identifier MP61.6 (ODT43)

Lat: 44.99043°NLon: 120.84933°WElev: 3445.0ft.

30°F

-1°C

Humidity	94%
Wind Speed	NNE 2 MPH
Barometer	NA
Dewpoint	29°F (-2°C)
Visibility	NA
Last update	25 Dec 05:10 AM PST

More Information:

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

Extended Forecast for

9 Miles WNW Shaniko OR

Dense Fog Advisory December 25, 05:24am until December 25, 10:00am

Click here for hazard details and duration

Dense Fog Advisory

Dense Fog Advisory December 25, 05:24am until December 25, 10:00am
NOW until 10:00am Thu
Dense Fog Advisory
Overnight
Low: 32 °F
Chance Rain
Christmas Day
High: 49 °F
Chance Rain
Thursday Night
Low: 33 °F
Chance Rain
then Chance
Rain/Snow
Friday
High: 45 °F
Rain/Snow
Likely
Friday Night
Low: 31 °F
Snow Likely
Saturday
High: 39 °F
Slight Chance
Snow then
Mostly Sunny
Saturday Night
Low: 26 °F
Mostly Cloudy
Sunday
High: 38 °F
Mostly Sunny

Detailed Forecast

Overnight

A 30 percent chance of rain. Mostly cloudy, with a low around 32. East wind around 5 mph.

Christmas Day

A 30 percent chance of rain, mainly after 1pm. Cloudy, then gradually becoming mostly sunny, with a high near 49. East wind 5 to 8 mph becoming south in the afternoon.

Thursday Night

A chance of rain before 4am, then a chance of rain and snow. Mostly cloudy, with a low around 33. South wind around 7 mph. Chance of precipitation is 50%. Little or no snow accumulation expected.

Friday

Rain likely, possibly mixed with snow before 10am, then rain likely between 10am and 4pm, then rain and snow likely after 4pm. Snow level 3300 feet. Partly sunny, with a high near 45. Southwest wind 11 to 17 mph, with gusts as high as 26 mph. Chance of precipitation is 70%. Little or no snow accumulation expected.

Friday Night

Snow likely, mainly before 10pm. Mostly cloudy, with a low around 31. West wind around 16 mph, with gusts as high as 29 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.

Saturday

A 20 percent chance of snow before 10am. Partly sunny, with a high near 39.

Saturday Night

Mostly cloudy, with a low around 26.

Sunday

Mostly sunny, with a high near 38.

Sunday Night

Mostly cloudy, with a low around 25.

Monday

Partly sunny, with a high near 37.

Monday Night

Mostly cloudy, with a low around 25.