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

Timberline - Magic Mile (TIM70)

Lat: 45.34537°NLon: 121.71175°WElev: 6990.0ft.

24°F

-4°C

Humidity	97%
Wind Speed	SW 9 MPH
Barometer	NA
Dewpoint	23°F (-5°C)
Visibility	NA
Wind Chill	14°F (-10°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

4 Miles NE Lolo Pass 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: 30 °F
Snow Showers
Friday
High: 33 °F⇓
Heavy Snow
Friday Night
Low: 25 °F
Heavy Snow
and Breezy
Saturday
High: 27 °F
Snow Showers
and Breezy
Saturday Night
Low: 22 °F
Slight Chance
Snow Showers
then Mostly
Cloudy
Sunday
High: 32 °F
Partly Sunny
Sunday Night
Low: 23 °F
Mostly Cloudy
Monday
High: 32 °F
Partly Sunny
Monday Night
Low: 24 °F
Mostly Cloudy

Detailed Forecast

Overnight

Snow likely before 4am, then snow showers after 4am. Low around 30. Light west southwest wind. Chance of precipitation is 80%. Total nighttime snow accumulation of around an inch possible.

Friday

Snow showers. The snow could be heavy at times. Temperature rising to near 33 by noon, then falling to around 28 during the remainder of the day. Southwest wind 6 to 10 mph, with gusts as high as 25 mph. Chance of precipitation is 100%. New snow accumulation of 5 to 9 inches possible.

Friday Night

Snow showers. The snow could be heavy at times. Low around 25. Breezy, with a west wind 18 to 21 mph, with gusts as high as 44 mph. Chance of precipitation is 80%. New snow accumulation of 5 to 9 inches possible.

Saturday

Snow showers, mainly before 4pm. High near 27. Breezy, with a west wind 9 to 17 mph, with gusts as high as 38 mph. Chance of precipitation is 80%. New snow accumulation of 2 to 4 inches possible.

Saturday Night

A 20 percent chance of snow showers before 10pm. Mostly cloudy, with a low around 22. West wind around 5 mph becoming calm in the evening.

Sunday

Partly sunny, with a high near 32.

Sunday Night

Mostly cloudy, with a low around 23.

Monday

Partly sunny, with a high near 32.

Monday Night

Mostly cloudy, with a low around 24.

Tuesday

Mostly cloudy, with a high near 34.