National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

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

ST. REGIS (STGM8)

Lat: 47.30711°NLon: 115.10761°WElev: 2678.0ft.

NA

33°F

1°C

Humidity 100%
Wind Speed NE 0 MPH
Barometer NA
Dewpoint 33°F (1°C)
Visibility NA
Last update 24 Dec 10:02 AM MST
Extended Forecast for

4 Miles NE St. Regis MT

  • Today

    Today: Rain likely, mainly after 5pm. Mostly cloudy, with a high near 42. Calm wind. Chance of precipitation is 60%.

    High: 42 °F

    Rain Likely

  • Tonight

    Tonight: A 50 percent chance of rain, mainly before 11pm. Patchy fog after 10pm. Otherwise, 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
    and Patchy
    Fog

  • Christmas Day

    Christmas Day: A 30 percent chance of rain, mainly after 11am. Patchy fog before noon. Otherwise, mostly cloudy, with a high near 42. Calm wind.

    High: 42 °F

    Chance Rain
    and Patchy
    Fog

  • Thursday Night

    Thursday Night: Rain likely. Mostly cloudy, with a low around 32. Calm wind. Chance of precipitation is 60%.

    Low: 32 °F

    Rain Likely

  • Friday

    Friday: Rain likely before 8am, then rain likely, possibly mixed with snow between 8am and 11am, then rain after 11am. Snow level 3800 feet. High near 38. Calm wind becoming southwest around 6 mph in the afternoon. Chance of precipitation is 80%. New snow accumulation of less than a half inch possible.

    High: 38 °F

    Rain/Snow
    then Rain

  • Friday Night

    Friday Night: Rain and snow, becoming all snow after 8pm. Low around 25. Chance of precipitation is 90%. New snow accumulation of around an inch possible.

    Low: 25 °F

    Rain/Snow
    then Snow
    Likely

  • Saturday

    Saturday: A 20 percent chance of snow before 11am. Partly sunny, with a high near 32.

    High: 32 °F

    Slight Chance
    Snow then
    Partly Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 19.

    Low: 19 °F

    Mostly Cloudy

  • Sunday

    Sunday: Mostly cloudy, with a high near 32.

    High: 32 °F

    Mostly Cloudy

Detailed Forecast

Today
Rain likely, mainly after 5pm. Mostly cloudy, with a high near 42. Calm wind. Chance of precipitation is 60%.
Tonight
A 50 percent chance of rain, mainly before 11pm. Patchy fog after 10pm. Otherwise, mostly cloudy, with a low around 33. Calm wind. New precipitation amounts of less than a tenth of an inch possible.
Christmas Day
A 30 percent chance of rain, mainly after 11am. Patchy fog before noon. Otherwise, mostly cloudy, with a high near 42. Calm wind.
Thursday Night
Rain likely. Mostly cloudy, with a low around 32. Calm wind. Chance of precipitation is 60%.
Friday
Rain likely before 8am, then rain likely, possibly mixed with snow between 8am and 11am, then rain after 11am. Snow level 3800 feet. High near 38. Calm wind becoming southwest around 6 mph in the afternoon. 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. Chance of precipitation is 90%. New snow accumulation of around an inch possible.
Saturday
A 20 percent chance of snow before 11am. Partly sunny, with a high near 32.
Saturday Night
Mostly cloudy, with a low around 19.
Sunday
Mostly cloudy, with a high near 32.
Sunday Night
Mostly cloudy, with a low around 20.
Monday
Partly sunny, with a high near 37.
Monday Night
Mostly cloudy, with a low around 24.
Tuesday
Mostly cloudy, with a high near 40.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles NE St. Regis MT
 47.34°N 115.03°W (Elev. 3150 ft)
Last Update:
1:02 am MST Dec 24, 2025
Forecast Valid:
11am MST Dec 24, 2025-6pm MST Dec 30, 2025
 
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Additional Resources

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