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 >

Hazardous Weather Conditions

Current conditions at

DUPUYER CREEK (DPYM8)

Lat: 48.06341°NLon: 112.7573°WElev: 5750.0ft.

NA

42°F

6°C

Humidity NA
Wind Speed NA NA MPH
Barometer NA
Dewpoint N/A
Visibility NA
Last update NA
Extended Forecast for

12 Miles S Heart Butte MT

Winter Weather Advisory December 26, 08:00am until December 27, 02:00pm
Click here for hazard details and duration
Winter Weather Advisory

  • Christmas Day

    Christmas Day: A 10 percent chance of snow after 5pm. Sunny, with a high near 41. Southwest wind around 15 mph, with gusts as high as 28 mph.

    High: 41 °F

    Slight Chance
    Snow

  • Tonight

    Tonight: A 40 percent chance of snow, mainly before 1am. Partly cloudy, with a low around 31. Southwest wind 14 to 16 mph, with gusts as high as 30 mph. New snow accumulation of less than a half inch possible.

    Low: 31 °F

    Chance Snow

  • Friday

    Friday: Snow likely, mainly between 11am and 1pm. Partly sunny, with a temperature rising to near 34 by 10am, then falling to around 28 during the remainder of the day. Breezy, with a southwest wind 15 to 20 mph increasing to 24 to 29 mph in the afternoon. Winds could gust as high as 48 mph. Chance of precipitation is 60%. New snow accumulation of 1 to 3 inches possible.

    High: 34 °F⇓

    Snow Likely
    and Breezy

  • Friday Night

    Friday Night: Snow. Low around -1. Breezy, with a west southwest wind 18 to 22 mph becoming north northwest after midnight. Winds could gust as high as 38 mph. Chance of precipitation is 80%. New snow accumulation of 1 to 3 inches possible.

    Low: -1 °F

    Snow and
    Breezy

  • Saturday

    Saturday: Snow. High near 8. North northwest wind 14 to 18 mph, with gusts as high as 32 mph. Chance of precipitation is 90%. New snow accumulation of 1 to 3 inches possible.

    High: 8 °F

    Snow

  • Saturday Night

    Saturday Night: A 20 percent chance of snow before 11pm. Partly cloudy, with a low around -2. North wind around 7 mph becoming west southwest in the evening.

    Low: -2 °F

    Slight Chance
    Snow then
    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 17. West southwest wind 9 to 16 mph, with gusts as high as 25 mph.

    High: 17 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 15. West southwest wind 16 to 21 mph, with gusts as high as 33 mph.

    Low: 15 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 27. Breezy.

    High: 27 °F

    Mostly Sunny
    then Mostly
    Sunny and
    Breezy

Detailed Forecast

Christmas Day
A 10 percent chance of snow after 5pm. Sunny, with a high near 41. Southwest wind around 15 mph, with gusts as high as 28 mph.
Tonight
A 40 percent chance of snow, mainly before 1am. Partly cloudy, with a low around 31. Southwest wind 14 to 16 mph, with gusts as high as 30 mph. New snow accumulation of less than a half inch possible.
Friday
Snow likely, mainly between 11am and 1pm. Partly sunny, with a temperature rising to near 34 by 10am, then falling to around 28 during the remainder of the day. Breezy, with a southwest wind 15 to 20 mph increasing to 24 to 29 mph in the afternoon. Winds could gust as high as 48 mph. Chance of precipitation is 60%. New snow accumulation of 1 to 3 inches possible.
Friday Night
Snow. Low around -1. Breezy, with a west southwest wind 18 to 22 mph becoming north northwest after midnight. Winds could gust as high as 38 mph. Chance of precipitation is 80%. New snow accumulation of 1 to 3 inches possible.
Saturday
Snow. High near 8. North northwest wind 14 to 18 mph, with gusts as high as 32 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. Partly cloudy, with a low around -2. North wind around 7 mph becoming west southwest in the evening.
Sunday
Mostly sunny, with a high near 17. West southwest wind 9 to 16 mph, with gusts as high as 25 mph.
Sunday Night
Partly cloudy, with a low around 15. West southwest wind 16 to 21 mph, with gusts as high as 33 mph.
Monday
Mostly sunny, with a high near 27. Breezy.
Monday Night
Mostly cloudy, with a low around 25. Breezy.
Tuesday
Partly sunny, with a high near 33.
Tuesday Night
A slight chance of snow. Mostly cloudy, with a low around 26.
Wednesday
A chance of snow. Mostly cloudy, with a high near 33.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
12 Miles S Heart Butte MT
 48.12°N 112.84°W (Elev. 6066 ft)
Last Update:
1:27 pm MST Dec 25, 2025
Forecast Valid:
1pm MST Dec 25, 2025-6pm MST Dec 31, 2025
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation