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

Prolonged Atmospheric River Will Impact the Northwest Early this Week

A weather system in the Pacific Northwest will produce rain throughout the day, before a potent atmospheric river produces a prolonged round of heavy rainfall, widespread urban and river flooding, and high elevation snow to the region Monday through Wednesday. Showers and thunderstorms may produce isolated damaging winds, a brief tornado, and locally heavy rainfall across parts of Florida today. Read More >

Hazardous Weather Conditions

Current conditions at

ZORTMAN BLM (ALDM8)

Lat: 47.91189°NLon: 108.50389°WElev: 3980.0ft.

NA

35°F

2°C

Humidity 64%
Wind Speed ESE 2 MPH
Barometer NA
Dewpoint 24°F (-4°C)
Visibility NA
Last update 07 Dec 02:32 PM MST
Extended Forecast for

3 Miles WNW Zortman MT

High Wind Watch December 8, 11:00pm until December 9, 05:00pm
Click here for hazard details and duration
High Wind Watch

  • Tonight

    Tonight: Patchy blowing snow after 7pm. Mostly cloudy, with a temperature rising to around 32 by 5am. Windy, with a west wind 16 to 26 mph increasing to 27 to 37 mph after midnight. Winds could gust as high as 48 mph.

    Low: 27 °F⇑

    Patchy
    Blowing Snow
    and Windy

  • Monday

    Monday: A 30 percent chance of rain after 5pm. Patchy blowing snow before 2pm. Increasing clouds, with a high near 36. Windy, with a west wind 32 to 37 mph decreasing to 22 to 27 mph in the afternoon. Winds could gust as high as 49 mph.

    High: 36 °F

    Chance Rain
    and Patchy
    Blowing Snow

  • Monday Night

    Monday Night: A chance of rain and snow before 11pm, then a chance of rain. Mostly cloudy, with a temperature falling to near 31 by 8pm, then rising to around 41 during the remainder of the night. Very windy, with a west wind 24 to 29 mph increasing to 35 to 40 mph after midnight. Winds could gust as high as 55 mph. Chance of precipitation is 40%. Little or no snow accumulation expected.

    Low: 31 °F⇑

    Chance
    Rain/Snow and
    Windy then
    Chance Rain
    and Very
    Windy

  • Tuesday

    Tuesday: Rain likely before 8am, then rain and snow likely between 8am and 11am, then a slight chance of snow after 11am. Mostly cloudy, with a high near 40. Very windy, with a west wind 34 to 44 mph decreasing to 23 to 33 mph in the afternoon. Winds could gust as high as 60 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.

    High: 40 °F

    Rain/Snow
    Likely and
    Very Windy

  • Tuesday Night

    Tuesday Night: A 20 percent chance of snow after 11pm. Mostly cloudy, with a low around 23. West wind 16 to 20 mph becoming south southwest after midnight. Winds could gust as high as 29 mph.

    Low: 23 °F

    Slight Chance
    Snow

  • Wednesday

    Wednesday: Snow before 2pm, then rain and snow. Patchy blowing snow before 8am. High near 32. South wind 14 to 17 mph becoming west southwest in the afternoon. Winds could gust as high as 26 mph. Chance of precipitation is 80%. New snow accumulation of 1 to 3 inches possible.

    High: 32 °F

    Snow and
    Patchy
    Blowing Snow
    then
    Rain/Snow

  • Wednesday Night

    Wednesday Night: A 50 percent chance of snow. Patchy blowing snow. Mostly cloudy, with a low around 6. Blustery, with a west northwest wind 18 to 22 mph. New snow accumulation of less than a half inch possible.

    Low: 6 °F

    Chance Snow
    and Patchy
    Blowing Snow

  • Thursday

    Thursday: A 50 percent chance of snow. Patchy blowing snow before 8am. Mostly cloudy, with a high near 10. Northwest wind 13 to 20 mph.

    High: 10 °F

    Chance Snow
    and Patchy
    Blowing Snow

  • Thursday Night

    Thursday Night: A 40 percent chance of snow. Mostly cloudy, with a low around -7. North wind around 14 mph.

    Low: -7 °F

    Chance Snow

Detailed Forecast

Tonight
Patchy blowing snow after 7pm. Mostly cloudy, with a temperature rising to around 32 by 5am. Windy, with a west wind 16 to 26 mph increasing to 27 to 37 mph after midnight. Winds could gust as high as 48 mph.
Monday
A 30 percent chance of rain after 5pm. Patchy blowing snow before 2pm. Increasing clouds, with a high near 36. Windy, with a west wind 32 to 37 mph decreasing to 22 to 27 mph in the afternoon. Winds could gust as high as 49 mph.
Monday Night
A chance of rain and snow before 11pm, then a chance of rain. Mostly cloudy, with a temperature falling to near 31 by 8pm, then rising to around 41 during the remainder of the night. Very windy, with a west wind 24 to 29 mph increasing to 35 to 40 mph after midnight. Winds could gust as high as 55 mph. Chance of precipitation is 40%. Little or no snow accumulation expected.
Tuesday
Rain likely before 8am, then rain and snow likely between 8am and 11am, then a slight chance of snow after 11am. Mostly cloudy, with a high near 40. Very windy, with a west wind 34 to 44 mph decreasing to 23 to 33 mph in the afternoon. Winds could gust as high as 60 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.
Tuesday Night
A 20 percent chance of snow after 11pm. Mostly cloudy, with a low around 23. West wind 16 to 20 mph becoming south southwest after midnight. Winds could gust as high as 29 mph.
Wednesday
Snow before 2pm, then rain and snow. Patchy blowing snow before 8am. High near 32. South wind 14 to 17 mph becoming west southwest in the afternoon. Winds could gust as high as 26 mph. Chance of precipitation is 80%. New snow accumulation of 1 to 3 inches possible.
Wednesday Night
A 50 percent chance of snow. Patchy blowing snow. Mostly cloudy, with a low around 6. Blustery, with a west northwest wind 18 to 22 mph. New snow accumulation of less than a half inch possible.
Thursday
A 50 percent chance of snow. Patchy blowing snow before 8am. Mostly cloudy, with a high near 10. Northwest wind 13 to 20 mph.
Thursday Night
A 40 percent chance of snow. Mostly cloudy, with a low around -7. North wind around 14 mph.
Friday
A 50 percent chance of snow. Mostly cloudy, with a high near 2. North wind 8 to 11 mph becoming southeast in the morning.
Friday Night
A 40 percent chance of snow. The snow could be heavy at times. Patchy blowing snow. Mostly cloudy, with a low around -3. Southeast wind 10 to 14 mph.
Saturday
A chance of snow. Mostly cloudy, with a high near 13.
Saturday Night
A slight chance of snow. Mostly cloudy, with a low around 5.
Sunday
A slight chance of snow. Partly sunny, with a high near 26.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles WNW Zortman MT
 47.93°N 108.59°W (Elev. 5400 ft)
Last Update:
2:49 pm MST Dec 7, 2025
Forecast Valid:
3pm MST Dec 7, 2025-6pm MST Dec 14, 2025
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation