Heavy Rainfall to Bring Flooding Threat to California; Heavy Snow in the Sierra

A strong atmospheric river will bring heavy rainfall to California through the holiday week. The heaviest rainfall is expected on Wednesday in the Los Angeles Basin. Flash and urban flooding is possible. A prolonged heavy snowfall is expected in the Sierra Nevada from the atmospheric river, raising concerns for major snow‐load impacts. Travel may be difficult to impossible over the passes. Read More >

Current conditions at

ST. REGIS (STGM8)

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

NA

32°F

0°C

Humidity 100%
Wind Speed SSE 0 MPH
Barometer NA
Dewpoint 32°F (0°C)
Visibility NA
Last update 24 Dec 01:02 AM MST
Extended Forecast for

Superior MT

  • Overnight

    Overnight: Mostly cloudy, with a low around 34. Calm wind.

    Low: 34 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Rain likely, mainly after 5pm.  Mostly cloudy, with a high near 45. Calm wind.  Chance of precipitation is 60%.

    High: 45 °F

    Partly Sunny
    then Rain
    Likely

  • Wednesday Night

    Wednesday Night: A 40 percent chance of rain, mainly before 1am.  Patchy fog after 4am.  Otherwise, mostly cloudy, with a low around 35. Calm wind.  New precipitation amounts of less than a tenth of an inch possible.

    Low: 35 °F

    Chance Rain
    and Patchy
    Fog

  • Christmas Day

    Christmas Day: A 40 percent chance of rain, mainly after 11am.  Patchy fog between 10am and 11am.  Otherwise, mostly cloudy, with a high near 47. Calm wind.

    High: 47 °F

    Chance Rain
    and Patchy
    Fog

  • Thursday Night

    Thursday Night: Rain likely.  Mostly cloudy, with a low around 34. Calm wind.  Chance of precipitation is 70%.

    Low: 34 °F

    Rain Likely

  • Friday

    Friday: Rain before 5pm, then rain, possibly mixed with snow.  Snow level 3800 feet. High near 42. Chance of precipitation is 90%. Little or no snow accumulation expected.

    High: 42 °F

    Rain then
    Rain/Snow

  • Friday Night

    Friday Night: Rain, possibly mixed with snow, becoming all snow after 8pm.  Low around 28. Chance of precipitation is 90%. New snow accumulation of less than a half inch possible.

    Low: 28 °F

    Rain/Snow
    then Snow

  • Saturday

    Saturday: A chance of snow before 11am.  Mostly cloudy, with a high near 35.

    High: 35 °F

    Chance Snow
    then Partly
    Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 21.

    Low: 21 °F

    Mostly Cloudy

Detailed Forecast

Overnight
Mostly cloudy, with a low around 34. Calm wind.
Wednesday
Rain likely, mainly after 5pm. Mostly cloudy, with a high near 45. Calm wind. Chance of precipitation is 60%.
Wednesday Night
A 40 percent chance of rain, mainly before 1am. Patchy fog after 4am. Otherwise, mostly cloudy, with a low around 35. Calm wind. New precipitation amounts of less than a tenth of an inch possible.
Christmas Day
A 40 percent chance of rain, mainly after 11am. Patchy fog between 10am and 11am. Otherwise, mostly cloudy, with a high near 47. Calm wind.
Thursday Night
Rain likely. Mostly cloudy, with a low around 34. Calm wind. Chance of precipitation is 70%.
Friday
Rain before 5pm, then rain, possibly mixed with snow. Snow level 3800 feet. High near 42. Chance of precipitation is 90%. Little or no snow accumulation expected.
Friday Night
Rain, possibly mixed with snow, becoming all snow after 8pm. Low around 28. Chance of precipitation is 90%. New snow accumulation of less than a half inch possible.
Saturday
A chance of snow before 11am. Mostly cloudy, with a high near 35.
Saturday Night
Mostly cloudy, with a low around 21.
Sunday
Mostly cloudy, with a high near 36.
Sunday Night
Mostly cloudy, with a low around 23.
Monday
Partly sunny, with a high near 42.
Monday Night
Mostly cloudy, with a low around 27.
Tuesday
Mostly cloudy, with a high near 44.
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ABOUT THIS FORECAST

 
Point Forecast:
Superior MT
 47.19°N 114.87°W (Elev. 2789 ft)
1:02 am MST Dec 24, 2025
1am MST Dec 24, 2025-6pm MST Dec 30, 2025
 
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Additional Resources

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