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

Mt. Hood Meadows - Cascade Express (MHM73)

Lat: 45.34927°NLon: 121.68163°WElev: 7300.0ft.

22°F

-6°C

Humidity	95%
Wind Speed	SW 1 MPH
Barometer	NA
Dewpoint	20°F (-7°C)
Visibility	NA
Last update	26 Dec 01:00 AM PST

More Information:

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

Extended Forecast for

6 Miles ENE Mount Hood OR

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

Click here for hazard details and duration

Winter Weather Advisory

Overnight
Low: 29 °F
Rain/Snow
Friday
High: 38 °F
Snow Showers
Likely then
Heavy Snow
Friday Night
Low: 25 °F
Heavy Snow
Saturday
High: 32 °F
Snow Showers
then Chance
Snow Showers
Saturday Night
Low: 20 °F
Slight Chance
Snow Showers
then Mostly
Cloudy
Sunday
High: 34 °F
Mostly Sunny
Sunday Night
Low: 21 °F
Mostly Cloudy
Monday
High: 33 °F
Mostly Sunny
Monday Night
Low: 21 °F
Mostly Cloudy

Detailed Forecast

Overnight

Snow likely, possibly mixed with rain before 4am, then snow showers, possibly mixed with rain. Snow level 3600 feet. Low around 29. Calm wind. Chance of precipitation is 80%. Total nighttime snow accumulation of less than one inch possible.

Friday

Snow showers. The snow could be heavy at times. High near 38. Calm wind becoming west 5 to 7 mph in the afternoon. Winds could gust as high as 22 mph. Chance of precipitation is 100%. New snow accumulation of 1 to 3 inches possible.

Friday Night

Snow showers. The snow could be heavy at times. Low around 25. West wind around 14 mph, with gusts as high as 37 mph. Chance of precipitation is 80%. New snow accumulation of 3 to 7 inches possible.

Saturday

Snow showers, mainly before 10am. High near 32. West wind 8 to 10 mph, with gusts as high as 32 mph. Chance of precipitation is 80%. New snow accumulation of around an inch possible.

Saturday Night

A 20 percent chance of snow showers before 10pm. Mostly cloudy, with a low around 20. Calm wind.

Sunday

Mostly sunny, with a high near 34.

Sunday Night

Mostly cloudy, with a low around 21.

Monday

Mostly sunny, with a high near 33.

Monday Night

Mostly cloudy, with a low around 21.

Tuesday

Partly sunny, with a high near 35.