Heavy Rainfall to Bring Flooding Threat to California; Heavy Snow in the Sierra

A strong atmospheric river will bring heavy rainfall to California through the holiday week. The heaviest rainfall is expected on Wednesday in the Los Angeles Basin. Flash and urban flooding is possible. A prolonged heavy snowfall is expected in the Sierra Nevada from the atmospheric river, raising concerns for major snow‐load impacts. Travel may be difficult to impossible over the passes. Read More >

Current conditions at

Lost Trail Pass (ITD87)

Lat: 45.69302°NLon: 113.94835°WElev: 7090.0ft.

28°F

-2°C

Humidity	95%
Wind Speed	SW 2 MPH
Barometer	NA
Dewpoint	27°F (-3°C)
Visibility	1.24 mi
Last update	24 Dec 03:45 AM MST

More Information:

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

Extended Forecast for

13 Miles WSW Lost Trail Pass MT

Today
High: 38 °F
Mostly Sunny
then Chance
Rain
Tonight
Low: 30 °F
Rain/Snow
Christmas Day
High: 37 °F
Snow Likely
Thursday Night
Low: 26 °F
Snow Likely
Friday
High: 32 °F
Snow
Friday Night
Low: 18 °F
Snow Likely
Saturday
High: 23 °F
Snow Likely
then Slight
Chance Snow
Saturday Night
Low: 10 °F
Mostly Cloudy
Sunday
High: 25 °F
Partly Sunny

Detailed Forecast

Today

A 30 percent chance of rain, mainly after 3pm. Partly sunny, with a high near 38. South southeast wind around 8 mph, with gusts as high as 18 mph. New precipitation amounts of less than a tenth of an inch possible.

Tonight

Rain and snow before 2am, then a chance of snow. Low around 30. South southeast wind around 6 mph becoming calm in the evening. Chance of precipitation is 80%. New snow accumulation of less than a half inch possible.

Christmas Day

Snow likely, mainly before 11am. Mostly cloudy, with a high near 37. South wind 3 to 6 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.

Thursday Night

Snow likely, mainly after 11pm. Mostly cloudy, with a low around 26. South wind around 6 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.

Friday

Snow. High near 32. Southwest wind 6 to 10 mph, with gusts as high as 23 mph. Chance of precipitation is 90%. New snow accumulation of less than one inch possible.

Friday Night

Snow likely. Mostly cloudy, with a low around 18. Chance of precipitation is 70%. New snow accumulation of less than one inch possible.

Saturday

Snow likely, mainly before 11am. Mostly cloudy, with a high near 23. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.

Saturday Night

Mostly cloudy, with a low around 10.

Sunday

Partly sunny, with a high near 25.

Sunday Night

Partly cloudy, with a low around 13.

Monday

Mostly sunny, with a high near 30.

Monday Night

Partly cloudy, with a low around 19.

Tuesday

Partly sunny, with a high near 34.