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

Prolonged Atmospheric River in the Pacific Northwest; Snow and High Winds from the Upper Midwest into the Northeast

A prolonged atmospheric river will continue to impact the Pacific Northwest into the Northern Rockies with heavy rainfall, areas of urban and river flooding, landslides, heavy mountain snow, and gusty winds into Thursday. A strong clipper system will bring the threat of heavy snow and high winds across the Upper Midwest/Great Lakes as well as portions of the interior Northeast and Appalachians. 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 76%
Wind Speed WNW 7 MPH
Barometer NA
Dewpoint 28°F (-2°C)
Visibility NA
Wind Chill29°F (-2°C)
Last update 09 Dec 06:32 PM MST
Extended Forecast for

3 Miles WNW Zortman MT

Winter Storm Watch December 11, 08:00pm until December 13, 11:00am
Winter Weather Advisory December 10, 04:00am until December 11, 08:00pm
Click here for hazard details and duration
Winter Storm Watch
Winter Weather Advisory

  • Tonight

    Tonight: A 10 percent chance of snow after 5am. Increasing clouds, with a low around 24. West northwest wind 11 to 16 mph becoming light and variable. Winds could gust as high as 26 mph.

    Low: 24 °F

    Mostly Clear
    then Slight
    Chance Snow

  • Wednesday

    Wednesday: Snow, possibly mixed with freezing rain before noon, then rain likely. The snow could be heavy at times. Patchy fog between noon and 1pm. High near 43. Breezy, with a south wind 11 to 16 mph becoming west southwest 17 to 22 mph in the afternoon. Winds could gust as high as 33 mph. Chance of precipitation is 100%. Little or no ice accumulation expected. New snow accumulation of 1 to 2 inches possible.

    High: 43 °F

    Wintry Mix
    then Rain
    Likely and
    Patchy Fog

  • Wednesday Night

    Wednesday Night: Rain, possibly mixed with snow. Low around 30. Breezy, with a west wind 23 to 26 mph, with gusts as high as 38 mph. Chance of precipitation is 80%. New snow accumulation of less than a half inch possible.

    Low: 30 °F

    Rain/Snow and
    Breezy

  • Thursday

    Thursday: Rain and snow before 11am, then snow likely, possibly mixed with freezing rain between 11am and 2pm, then snow likely after 2pm. Patchy blowing snow before 11am, then patchy blowing snow after 4pm. High near 35. Wind chill values between -5 and 5. Breezy, with a west northwest wind 17 to 23 mph, with gusts as high as 34 mph. Chance of precipitation is 90%. New snow accumulation of 1 to 3 inches possible.

    High: 35 °F

    Wintry Mix
    and Patchy
    Blowing Snow

  • Thursday Night

    Thursday Night: Snow likely, mainly before 11pm. Patchy blowing snow before 11pm. Patchy freezing fog after 11pm. Cloudy, with a low around 0. North northwest wind 15 to 21 mph, with gusts as high as 31 mph. Chance of precipitation is 60%. New snow accumulation of less than one inch possible.

    Low: 0 °F

    Snow Likely
    and Patchy
    Blowing Snow

  • Friday

    Friday: Snow. The snow could be heavy at times. High near 2. North wind 8 to 14 mph becoming east in the afternoon. Winds could gust as high as 22 mph. Chance of precipitation is 90%. New snow accumulation of 4 to 8 inches possible.

    High: 2 °F

    Heavy Snow

  • Friday Night

    Friday Night: Snow. The snow could be heavy at times. Low around -10. Northeast wind 10 to 14 mph, with gusts as high as 22 mph. Chance of precipitation is 90%. New snow accumulation of 7 to 11 inches possible.

    Low: -10 °F

    Heavy Snow
    then Snow
    Likely

  • Saturday

    Saturday: A 40 percent chance of snow, mainly before 11am. Mostly cloudy, with a high near 3. West northwest wind 6 to 10 mph becoming south southwest in the afternoon.

    High: 3 °F

    Chance Snow

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around -4. South southeast wind 9 to 14 mph, with gusts as high as 22 mph.

    Low: -4 °F

    Mostly Cloudy

Detailed Forecast

Tonight
A 10 percent chance of snow after 5am. Increasing clouds, with a low around 24. West northwest wind 11 to 16 mph becoming light and variable. Winds could gust as high as 26 mph.
Wednesday
Snow, possibly mixed with freezing rain before noon, then rain likely. The snow could be heavy at times. Patchy fog between noon and 1pm. High near 43. Breezy, with a south wind 11 to 16 mph becoming west southwest 17 to 22 mph in the afternoon. Winds could gust as high as 33 mph. Chance of precipitation is 100%. Little or no ice accumulation expected. New snow accumulation of 1 to 2 inches possible.
Wednesday Night
Rain, possibly mixed with snow. Low around 30. Breezy, with a west wind 23 to 26 mph, with gusts as high as 38 mph. Chance of precipitation is 80%. New snow accumulation of less than a half inch possible.
Thursday
Rain and snow before 11am, then snow likely, possibly mixed with freezing rain between 11am and 2pm, then snow likely after 2pm. Patchy blowing snow before 11am, then patchy blowing snow after 4pm. High near 35. Wind chill values between -5 and 5. Breezy, with a west northwest wind 17 to 23 mph, with gusts as high as 34 mph. Chance of precipitation is 90%. New snow accumulation of 1 to 3 inches possible.
Thursday Night
Snow likely, mainly before 11pm. Patchy blowing snow before 11pm. Patchy freezing fog after 11pm. Cloudy, with a low around 0. North northwest wind 15 to 21 mph, with gusts as high as 31 mph. Chance of precipitation is 60%. New snow accumulation of less than one inch possible.
Friday
Snow. The snow could be heavy at times. High near 2. North wind 8 to 14 mph becoming east in the afternoon. Winds could gust as high as 22 mph. Chance of precipitation is 90%. New snow accumulation of 4 to 8 inches possible.
Friday Night
Snow. The snow could be heavy at times. Low around -10. Northeast wind 10 to 14 mph, with gusts as high as 22 mph. Chance of precipitation is 90%. New snow accumulation of 7 to 11 inches possible.
Saturday
A 40 percent chance of snow, mainly before 11am. Mostly cloudy, with a high near 3. West northwest wind 6 to 10 mph becoming south southwest in the afternoon.
Saturday Night
Mostly cloudy, with a low around -4. South southeast wind 9 to 14 mph, with gusts as high as 22 mph.
Sunday
Partly sunny, with a high near 33. West wind around 14 mph, with gusts as high as 22 mph.
Sunday Night
Patchy blowing snow. Partly cloudy, with a low around 20. West wind around 18 mph, with gusts as high as 30 mph.
Monday
Mostly sunny, with a high near 28.
Monday Night
Patchy blowing snow. Mostly cloudy, with a low around 23. Breezy.
Tuesday
A slight chance of snow. Patchy blowing snow. Mostly sunny, with a high near 36. Breezy.
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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:
2:51 pm MST Dec 9, 2025
Forecast Valid:
7pm MST Dec 9, 2025-6pm MST Dec 16, 2025
 
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