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 Weather Advisory in effect from December 26, 04:00 AM PST until December 27, 04:00 PM PST

Current conditions at

I84 WB at Cascade Locks MP44.57 (ODT78)

Lat: 45.66931°NLon: 121.88484°WElev: 194.0ft.

40°F

4°C

Humidity	91%
Wind Speed	SSE 0 MPH
Barometer	NA
Dewpoint	38°F (3°C)
Visibility	NA
Last update	26 Dec 03:10 AM PST

More Information:

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

Extended Forecast for

3 Miles NNE Skamania WA

Winter Weather Advisory December 26, 04:00am until December 27, 04:00pm

Click here for hazard details and duration

Winter Weather Advisory

Overnight
Low: 35 °F
Rain/Snow
Friday
High: 38 °F
Rain/Snow and
Windy
Friday Night
Low: 34 °F
Snow Showers
and Very
Windy
Saturday
High: 34 °F
Windy. Snow
Showers
Likely then
Chance Snow
Showers
Saturday Night
Low: 28 °F
Mostly Cloudy
Sunday
High: 36 °F
Partly Sunny
Sunday Night
Low: 28 °F
Mostly Cloudy
and Windy
Monday
High: 35 °F
Partly Sunny
and Windy
Monday Night
Low: 28 °F
Mostly Cloudy
and Windy

Detailed Forecast

Overnight

Rain showers before 5am, then rain, possibly mixed with snow showers. Snow level 3600 feet. Low around 35. Northeast wind around 11 mph. Chance of precipitation is 80%. Little or no snow accumulation expected.

Friday

Rain and snow showers, becoming all snow after 2pm. Snow level 2900 feet lowering to 2600 feet in the afternoon . High near 38. Windy, with a west southwest wind 16 to 23 mph, with gusts as high as 34 mph. Chance of precipitation is 100%. New snow accumulation of less than a half inch possible.

Friday Night

Snow showers. Steady temperature around 34. Very windy, with a west southwest wind around 34 mph, with gusts as high as 48 mph. Chance of precipitation is 90%. New snow accumulation of 1 to 3 inches possible.

Saturday

Snow showers likely, mainly before 10am. Mostly cloudy, with a high near 34. Windy, with a west southwest wind 24 to 29 mph decreasing to 16 to 21 mph in the afternoon. Winds could gust as high as 41 mph. Chance of precipitation is 70%. New snow accumulation of 1 to 2 inches possible.

Saturday Night

Mostly cloudy, with a low around 28. Southwest wind around 8 mph.

Sunday

Partly sunny, with a high near 36.

Sunday Night

Mostly cloudy, with a low around 28. Windy.

Monday

Partly sunny, with a high near 35. Windy.

Monday Night

Mostly cloudy, with a low around 28. Windy.

Tuesday

Mostly cloudy, with a high near 38. Windy.