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, 08:00 AM MST until December 27, 02:00 PM MST

Current conditions at

Mullan Pass, Mullan Pass Vor (KMLP)

Lat: 47.45417°NLon: 115.66972°WElev: 6001.0ft.

Mist

34°F

1°C

Humidity	93%
Wind Speed	SSE 8 MPH
Barometer	29.66 in (1004.4 mb)
Dewpoint	32°F (0°C)
Visibility	0.75 mi
Wind Chill	27°F (-3°C)
Last update	25 Dec 04:05 PM MST

More Information:

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

Extended Forecast for

3 Miles SE Lookout Pass MT

Winter Weather Advisory December 26, 08:00am until December 27, 02:00pm

Click here for hazard details and duration

Winter Weather Advisory

Christmas Day
High: 38 °F
Rain
Tonight
Low: 30 °F
Chance
Rain/Snow
then Chance
Snow
Friday
High: 31 °F
Heavy Snow
Friday Night
Low: 18 °F
Heavy Snow
and Blowing
Snow
Saturday
High: 21 °F
Snow Likely
then Chance
Snow
Saturday Night
Low: 6 °F
Partly Cloudy
Sunday
High: 21 °F
Partly Sunny
Sunday Night
Low: 14 °F
Mostly Cloudy
Monday
High: 27 °F
Mostly Cloudy

Detailed Forecast

Christmas Day

Rain. High near 38. South wind around 6 mph. Chance of precipitation is 80%.

Tonight

A chance of rain and snow before midnight, then a chance of snow after 2am. Snow level 5700 feet lowering to 4800 feet after midnight . Mostly cloudy, with a low around 30. South southwest wind around 6 mph. Chance of precipitation is 50%. New snow accumulation of less than a half inch possible.

Friday

Snow. The snow could be heavy at times. High near 31. South wind 6 to 15 mph, with gusts as high as 31 mph. Chance of precipitation is 90%. New snow accumulation of 4 to 8 inches possible.

Friday Night

Snow. The snow could be heavy at times. Widespread blowing snow, mainly between 8pm and 11pm. Low around 18. Breezy, with a west southwest wind 14 to 24 mph, with gusts as high as 44 mph. Chance of precipitation is 100%. New snow accumulation of 5 to 9 inches possible.

Saturday

Snow likely, mainly before 11am. Partly sunny, with a high near 21. West wind 8 to 15 mph, with gusts as high as 21 mph. Chance of precipitation is 70%. New snow accumulation of less than one inch possible.

Saturday Night

Partly cloudy, with a low around 6.

Sunday

Partly sunny, with a high near 21.

Sunday Night

Mostly cloudy, with a low around 14.

Monday

Mostly cloudy, with a high near 27.

Monday Night

Mostly cloudy, with a low around 19.

Tuesday

Mostly cloudy, with a high near 31.