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 >

Current conditions at

EW9980 West Yellowstone (E9980)

Lat: 44.78167°NLon: 111.13833°WElev: 6565.0ft.

37°F

3°C

Humidity	77%
Wind Speed	N 3 MPH
Barometer	29.8 in (1009.14 mb)
Dewpoint	30°F (-1°C)
Visibility	NA
Last update	25 Dec 10:30 AM MST

More Information:

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

Extended Forecast for

15 Miles NNW West Yellowstone MT

Christmas Day
High: 34 °F
Chance Snow
Tonight
Low: 27 °F
Snow Likely
Friday
High: 28 °F
Snow and
Breezy
Friday Night
Low: 16 °F
Snow Likely
Saturday
High: 19 °F
Snow
Saturday Night
Low: -2 °F
Slight Chance
Snow then
Partly Cloudy
Sunday
High: 13 °F
Mostly Sunny
Sunday Night
Low: 2 °F
Partly Cloudy
Monday
High: 19 °F
Mostly Sunny

Detailed Forecast

Christmas Day

A chance of snow between 11am and 5pm. Mostly cloudy, with a high near 34. South southwest wind 10 to 13 mph, with gusts as high as 23 mph. Chance of precipitation is 40%. Total daytime snow accumulation of less than one inch possible.

Tonight

Snow likely, mainly between 8pm and 1am. Cloudy, with a low around 27. South southwest wind 10 to 15 mph, with gusts as high as 26 mph. Chance of precipitation is 70%. New snow accumulation of 1 to 3 inches possible.

Friday

Snow. High near 28. Breezy, with a south southwest wind 16 to 22 mph, with gusts as high as 39 mph. Chance of precipitation is 90%. New snow accumulation of 2 to 4 inches possible.

Friday Night

Snow likely, mainly after 11pm. Mostly cloudy, with a low around 16. South southwest wind around 16 mph, with gusts as high as 30 mph. Chance of precipitation is 60%. New snow accumulation of 1 to 2 inches possible.

Saturday

Snow. High near 19. West wind 10 to 15 mph, with gusts as high as 26 mph. Chance of precipitation is 90%. New snow accumulation of 1 to 3 inches possible.

Saturday Night

A 20 percent chance of snow before 11pm. Partly cloudy, with a low around -2. Northwest wind 5 to 7 mph.

Sunday

Mostly sunny, with a high near 13. Calm wind becoming south southwest around 5 mph in the afternoon.

Sunday Night

Partly cloudy, with a low around 2. South southwest wind around 5 mph.

Monday

Mostly sunny, with a high near 19.

Monday Night

Mostly cloudy, with a low around 10.

Tuesday

Partly sunny, with a high near 24.