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

Helmville MT-200 MP 53.3 (MTHLM)

Lat: 46.96826°NLon: 112.97487°WElev: 4199.0ft.

35°F

2°C

Humidity	98%
Wind Speed	NW 1 MPH
Barometer	NA
Dewpoint	34°F (1°C)
Visibility	NA
Last update	25 Dec 11:30 AM MST

More Information:

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

Extended Forecast for

10 Miles NNE Ovando MT

Christmas Day
High: 31 °F
Slight Chance
Snow
Tonight
Low: 25 °F
Snow Likely
Friday
High: 27 °F
Snow and
Patchy
Blowing Snow
Friday Night
Low: 13 °F
Snow and
Patchy
Blowing Snow
Saturday
High: 16 °F
Snow and
Areas Blowing
Snow
Saturday Night
Low: 2 °F
Slight Chance
Snow then
Partly Cloudy
Sunday
High: 13 °F
Mostly Sunny
Sunday Night
Low: 8 °F
Mostly Cloudy
Monday
High: 20 °F
Partly Sunny

Detailed Forecast

Christmas Day

A slight chance of snow before noon, then a slight chance of snow after 5pm. Mostly cloudy, with a high near 31. Southwest wind around 7 mph. Chance of precipitation is 20%.

Tonight

Snow likely, mainly between 10pm and 3am. Mostly cloudy, with a low around 25. Southwest wind 7 to 9 mph. Chance of precipitation is 60%. New snow accumulation of 1 to 2 inches possible.

Friday

Snow. Patchy blowing snow between 2pm and 5pm. High near 27. South southwest wind 9 to 14 mph increasing to 15 to 20 mph in the afternoon. Winds could gust as high as 39 mph. Chance of precipitation is 90%. New snow accumulation of 2 to 4 inches possible.

Friday Night

Snow. Patchy blowing snow after 8pm. Low around 13. Wind chill values as low as -2. Breezy, with a west southwest wind 16 to 26 mph, with gusts as high as 45 mph. Chance of precipitation is 80%. New snow accumulation of 2 to 4 inches possible.

Saturday

Snow. Areas of blowing snow before 2pm. High near 16. Breezy, with a west wind 21 to 26 mph decreasing to 13 to 18 mph in the afternoon. Winds could gust as high as 44 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. Mostly cloudy, with a low around 2.

Sunday

Mostly sunny, with a high near 13.

Sunday Night

Mostly cloudy, with a low around 8.

Monday

Partly sunny, with a high near 20.

Monday Night

Mostly cloudy, with a low around 16.

Tuesday

Mostly cloudy, with a high near 25.