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

SHOWER FALLS (SHFM8)

Lat: 45.40125°NLon: 110.95758°WElev: 8100.0ft.

29°F

-2°C

Humidity	NA
Wind Speed	NA NA MPH
Barometer	NA
Dewpoint	N/A
Visibility	NA
Last update	NA

More Information:

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

Extended Forecast for

13 Miles SSE Gallatin Gateway MT

Today
High: 35 °F
Mostly Sunny
then Slight
Chance
Rain/Snow
Tonight
Low: 30 °F
Rain/Snow
Likely
Christmas Day
High: 39 °F
Rain/Snow
then Chance
Snow
Thursday Night
Low: 26 °F
Chance Snow
Friday
High: 28 °F
Snow Likely
Friday Night
Low: 15 °F
Chance Snow
Saturday
High: 16 °F
Chance Snow
Saturday Night
Low: 7 °F
Partly Cloudy
Sunday
High: 21 °F
Partly Sunny

Detailed Forecast

Today

A slight chance of rain and snow after 5pm. Mostly sunny, with a high near 35. South wind 16 to 20 mph, with gusts as high as 36 mph. Chance of precipitation is 10%.

Tonight

Rain and snow likely, becoming all snow after 4am. Mostly cloudy, with a low around 30. South southwest wind 11 to 18 mph, with gusts as high as 30 mph. Chance of precipitation is 70%. New snow accumulation of less than one inch possible.

Christmas Day

Rain and snow before 11am, then a chance of snow. High near 39. Southwest wind 10 to 14 mph, with gusts as high as 24 mph. Chance of precipitation is 80%. New snow accumulation of less than one inch possible.

Thursday Night

A 50 percent chance of snow. Mostly cloudy, with a low around 26. South southwest wind around 14 mph, with gusts as high as 23 mph. New snow accumulation of less than one inch possible.

Friday

Snow likely. Mostly cloudy, with a high near 28. South southwest wind 14 to 18 mph, with gusts as high as 33 mph. Chance of precipitation is 70%. New snow accumulation of 1 to 2 inches possible.

Friday Night

A 30 percent chance of snow. Mostly cloudy, with a low around 15. Southwest wind 16 to 18 mph, with gusts as high as 31 mph. New snow accumulation of less than one inch possible.

Saturday

A 50 percent chance of snow. Partly sunny, with a high near 16. West northwest wind around 15 mph, with gusts as high as 30 mph. New snow accumulation of less than a half inch possible.

Saturday Night

Partly cloudy, with a low around 7. Southwest wind 7 to 10 mph, with gusts as high as 18 mph.

Sunday

Partly sunny, with a high near 21.

Sunday Night

Partly cloudy, with a low around 12.

Monday

Partly sunny, with a high near 29.

Monday Night

Partly cloudy, with a low around 18.

Tuesday

Partly sunny, with a high near 31.