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

USCRN SITE NEAR LEWISTOWN 42WSW (JRWM8)

Lat: 46.88472°NLon: 110.28944°WElev: 5045.0ft.

53°F

12°C

Humidity	31%
Wind Speed	NA NA MPH
Barometer	NA
Dewpoint	23°F (-5°C)
Visibility	NA
Last update	25 Dec 01:00 PM MST

More Information:

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

Extended Forecast for

9 Miles NNE Sand Point MT

Christmas Day
High: 45 °F
Sunny
Tonight
Low: 33 °F
Partly Cloudy
then Slight
Chance Snow
Friday
High: 38 °F
Chance Snow
Friday Night
Low: 15 °F
Chance Snow
Saturday
High: 21 °F
Snow
Saturday Night
Low: -1 °F
Slight Chance
Snow then
Mostly Clear
Sunday
High: 20 °F
Sunny
Sunday Night
Low: 14 °F
Mostly Clear
Monday
High: 32 °F
Mostly Sunny

Detailed Forecast

Christmas Day

Sunny, with a high near 45. West southwest wind 13 to 15 mph, with gusts as high as 32 mph.

Tonight

A 20 percent chance of snow after midnight. Partly cloudy, with a low around 33. Southwest wind 13 to 15 mph, with gusts as high as 34 mph.

Friday

A 30 percent chance of snow, mainly before 2pm. Mostly sunny, with a high near 38. Southwest wind 16 to 21 mph, with gusts as high as 44 mph. New snow accumulation of less than a half inch possible.

Friday Night

A 50 percent chance of snow. Mostly cloudy, with a low around 15. Southwest wind around 15 mph, with gusts as high as 33 mph. New snow accumulation of 1 to 2 inches possible.

Saturday

Snow. High near 21. Southwest wind 11 to 16 mph becoming northwest in the afternoon. Winds could gust as high as 32 mph. Chance of precipitation is 80%. New snow accumulation of less than one inch possible.

Saturday Night

A 20 percent chance of snow before 11pm. Partly cloudy, with a low around -1. Northwest wind 8 to 10 mph, with gusts as high as 22 mph.

Sunday

Sunny, with a high near 20. West southwest wind 8 to 10 mph, with gusts as high as 21 mph.

Sunday Night

Mostly clear, with a low around 14. West southwest wind around 11 mph, with gusts as high as 25 mph.

Monday

Mostly sunny, with a high near 32.

Monday Night

Mostly cloudy, with a low around 25.

Tuesday

Partly sunny, with a high near 38.