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 until December 25, 05:00 AM MST

Current conditions at

Bowmans MT-200 MP 110.4 (MTBOW)

Lat: 47.2922°NLon: 112.15183°WElev: 4301.0ft.

unknown precip

N/A

Humidity	NA
Wind Speed	NE 0 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

10 Miles S Simms MT

Winter Weather Advisory December 25, 01:45am until December 25, 05:00am

Click here for hazard details and duration

Winter Weather Advisory

Winter Weather Advisory December 25, 01:45am until December 25, 05:00am
NOW until 5:00am Thu
Winter Weather Advisory
Overnight
Low: 21 °F
Chance Wintry
Mix
Christmas Day
High: 49 °F
Decreasing
Clouds
Thursday Night
Low: 36 °F
Slight Chance
Rain then
Slight Chance
Rain/Snow
Friday
High: 46 °F
Slight Chance
Rain/Snow and
Breezy
Friday Night
Low: 13 °F
Chance Snow
and Breezy
Saturday
High: 27 °F
Chance Snow
and Breezy
Saturday Night
Low: 5 °F
Partly Cloudy
Sunday
High: 30 °F
Mostly Sunny

Detailed Forecast

Overnight

A chance of rain, snow, and freezing rain before 2am, then a slight chance of freezing rain between 2am and 4am, then a slight chance of rain and snow after 4am. Mostly cloudy, with a low around 21. South southwest wind 7 to 10 mph. Chance of precipitation is 50%. Little or no snow accumulation expected.

Christmas Day

Mostly cloudy, then gradually becoming sunny, with a high near 49. South southwest wind 14 to 18 mph, with gusts as high as 26 mph.

Thursday Night

A slight chance of rain and snow before 2am, then a slight chance of rain between 2am and 3am, then a slight chance of rain and snow after 3am. Partly cloudy, with a low around 36. South southwest wind 16 to 20 mph, with gusts as high as 26 mph. Chance of precipitation is 20%.

Friday

A slight chance of rain and snow between 11am and 2pm, then a slight chance of snow after 2pm. Mostly sunny, with a high near 46. Breezy, with a south southwest wind 18 to 26 mph, with gusts as high as 34 mph. Chance of precipitation is 20%.

Friday Night

A 30 percent chance of snow, mainly after 11pm. Mostly cloudy, with a low around 13. Breezy, with a southwest wind around 24 mph, with gusts as high as 32 mph. New snow accumulation of less than a half inch possible.

Saturday

A 50 percent chance of snow. Mostly cloudy, with a high near 27. Breezy, with a west wind 16 to 24 mph becoming north in the morning. Winds could gust as high as 31 mph. New snow accumulation of less than a half inch possible.

Saturday Night

Partly cloudy, with a low around 5. North wind 6 to 11 mph becoming south in the evening.

Sunday

Mostly sunny, with a high near 30. South southwest wind 10 to 16 mph, with gusts as high as 22 mph.

Sunday Night

Partly cloudy, with a low around 23.

Monday

Mostly sunny, with a high near 40. Breezy.

Monday Night

Mostly cloudy, with a low around 31.

Tuesday

Mostly cloudy, with a high near 45.