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

34°F

1°C

Humidity 100%
Wind Speed SW 0 MPH
Barometer NA
Dewpoint 34°F (1°C)
Visibility NA
Last update 24 Dec 09:02 PM MST
Extended Forecast for

Superior MT

  • Tonight

    Tonight: Rain likely before 2am, then a slight chance of rain after 5am. Patchy fog after 10pm. Otherwise, mostly cloudy, with a low around 33. Calm wind. Chance of precipitation is 70%.

    Low: 33 °F

    Rain Likely
    and Patchy
    Fog then
    Chance Rain
    and Patchy
    Fog

  • Christmas Day

    Christmas Day: A 30 percent chance of rain, mainly after 3pm. Areas of fog before 11am. Otherwise, partly sunny, with a high near 43. Calm wind.

    High: 43 °F

    Areas Fog
    then Chance
    Rain

  • Thursday Night

    Thursday Night: Rain likely. Mostly cloudy, with a low around 33. Calm wind. Chance of precipitation is 70%.

    Low: 33 °F

    Rain Likely

  • Friday

    Friday: Rain and snow. Snow level 3800 feet. High near 39. Calm wind becoming south southwest around 6 mph in the afternoon. Chance of precipitation is 90%. New snow accumulation of less than a half inch possible.

    High: 39 °F

    Rain/Snow

  • Friday Night

    Friday Night: Snow. Low around 24. West southwest wind around 6 mph, with gusts as high as 18 mph. Chance of precipitation is 90%. New snow accumulation of around an inch possible.

    Low: 24 °F

    Snow

  • Saturday

    Saturday: Snow likely, mainly before 11am. Partly sunny, with a high near 29. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.

    High: 29 °F

    Snow Likely
    then Chance
    Snow

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 15.

    Low: 15 °F

    Partly Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 31.

    High: 31 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 18.

    Low: 18 °F

    Partly Cloudy

Detailed Forecast

Tonight
Rain likely before 2am, then a slight chance of rain after 5am. Patchy fog after 10pm. Otherwise, mostly cloudy, with a low around 33. Calm wind. Chance of precipitation is 70%.
Christmas Day
A 30 percent chance of rain, mainly after 3pm. Areas of fog before 11am. Otherwise, partly sunny, with a high near 43. Calm wind.
Thursday Night
Rain likely. Mostly cloudy, with a low around 33. Calm wind. Chance of precipitation is 70%.
Friday
Rain and snow. Snow level 3800 feet. High near 39. Calm wind becoming south southwest around 6 mph in the afternoon. Chance of precipitation is 90%. New snow accumulation of less than a half inch possible.
Friday Night
Snow. Low around 24. West southwest wind around 6 mph, with gusts as high as 18 mph. Chance of precipitation is 90%. New snow accumulation of around an inch possible.
Saturday
Snow likely, mainly before 11am. Partly sunny, with a high near 29. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.
Saturday Night
Partly cloudy, with a low around 15.
Sunday
Partly sunny, with a high near 31.
Sunday Night
Partly cloudy, with a low around 18.
Monday
Partly sunny, with a high near 36.
Monday Night
Mostly cloudy, with a low around 23.
Tuesday
Partly sunny, with a high near 40.
Tuesday Night
Partly cloudy, with a low around 26.
Wednesday
Mostly sunny, with a high near 41.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Superior MT
 47.19°N 114.9°W (Elev. 3238 ft)
Last Update:
1:02 pm MST Dec 24, 2025
Forecast Valid:
9pm MST Dec 24, 2025-6pm MST Dec 31, 2025
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation