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

PLAINS (PLAM8)

Lat: 47.46622°NLon: 114.87961°WElev: 2481.0ft.

NA

36°F

2°C

Humidity 100%
Wind Speed SE 0 MPH
Barometer NA
Dewpoint 36°F (2°C)
Visibility NA
Last update 25 Dec 06:26 AM MST
Extended Forecast for

Plains MT

  • Christmas Day

    Christmas Day: A chance of rain before 11am, then a chance of rain after 3pm.  Patchy fog before 11am.  Otherwise, mostly cloudy, with a high near 46. Calm wind.  Chance of precipitation is 30%.

    High: 46 °F

    Chance Rain
    and Patchy
    Fog

  • Tonight

    Tonight: A 50 percent chance of rain, mainly before 1am.  Mostly cloudy, with a low around 33. Calm wind.  New precipitation amounts of less than a tenth of an inch possible.

    Low: 33 °F

    Chance Rain

  • Friday

    Friday: Rain likely before 8am, then rain and snow.  Snow level 3600 feet. High near 42. Calm wind becoming south southeast 5 to 7 mph in the morning. Winds could gust as high as 18 mph.  Chance of precipitation is 80%. New snow accumulation of less than a half inch possible.

    High: 42 °F

    Rain/Snow

  • Friday Night

    Friday Night: Rain and snow, becoming all snow after 8pm.  Low around 25. Southwest wind 7 to 13 mph, with gusts as high as 33 mph.  Chance of precipitation is 90%. New snow accumulation of less than one inch possible.

    Low: 25 °F

    Rain/Snow
    then Snow
    Likely

  • Saturday

    Saturday: A 30 percent chance of snow, mainly before 11am.  Partly sunny, with a high near 32. West wind 6 to 9 mph, with gusts as high as 22 mph.  New snow accumulation of less than a half inch possible.

    High: 32 °F

    Chance Snow

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 12.

    Low: 12 °F

    Partly Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 32.

    High: 32 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 16.

    Low: 16 °F

    Mostly Cloudy

  • Monday

    Monday: Mostly cloudy, with a high near 35.

    High: 35 °F

    Mostly Cloudy

Detailed Forecast

Christmas Day
A chance of rain before 11am, then a chance of rain after 3pm. Patchy fog before 11am. Otherwise, mostly cloudy, with a high near 46. Calm wind. Chance of precipitation is 30%.
Tonight
A 50 percent chance of rain, mainly before 1am. Mostly cloudy, with a low around 33. Calm wind. New precipitation amounts of less than a tenth of an inch possible.
Friday
Rain likely before 8am, then rain and snow. Snow level 3600 feet. High near 42. Calm wind becoming south southeast 5 to 7 mph in the morning. Winds could gust as high as 18 mph. Chance of precipitation is 80%. New snow accumulation of less than a half inch possible.
Friday Night
Rain and snow, becoming all snow after 8pm. Low around 25. Southwest wind 7 to 13 mph, with gusts as high as 33 mph. Chance of precipitation is 90%. New snow accumulation of less than one inch possible.
Saturday
A 30 percent chance of snow, mainly before 11am. Partly sunny, with a high near 32. West wind 6 to 9 mph, with gusts as high as 22 mph. New snow accumulation of less than a half inch possible.
Saturday Night
Partly cloudy, with a low around 12.
Sunday
Partly sunny, with a high near 32.
Sunday Night
Mostly cloudy, with a low around 16.
Monday
Mostly cloudy, with a high near 35.
Monday Night
Mostly cloudy, with a low around 21.
Tuesday
Mostly cloudy, with a high near 39.
Tuesday Night
Mostly cloudy, with a low around 25.
Wednesday
Mostly cloudy, with a high near 42.
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ABOUT THIS FORECAST

 
Point Forecast:
Plains MT
 47.47°N 114.87°W (Elev. 2933 ft)
1:02 am MST Dec 25, 2025
7am MST Dec 25, 2025-6pm MST Dec 31, 2025
 
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