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 which has lead to areas of urban and river flooding along with 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 >

Current conditions at

Helmville MT-200 MP 53.3 (MTHLM)

Lat: 46.96826°NLon: 112.97487°WElev: 4199.0ft.

NA

34°F

1°C

Humidity 55%
Wind Speed ESE 3 MPH
Barometer NA
Dewpoint 19°F (-7°C)
Visibility NA
Last update 09 Dec 05:15 PM MST
Extended Forecast for

15 Miles NNW Lincoln MT

  • Tonight

    Tonight: Snow, mainly after 2am. The snow could be heavy at times.  Low around 21. West southwest wind 6 to 15 mph, with gusts as high as 31 mph.  Chance of precipitation is 90%. Total nighttime snow accumulation of 3 to 5 inches possible.

    Low: 21 °F

    Slight Chance
    Snow then
    Heavy Snow

  • Wednesday

    Wednesday: Rain and snow before 3pm, then rain between 3pm and 4pm, then rain, possibly mixed with snow after 4pm. The snow could be heavy at times.  High near 36. Breezy, with a west southwest wind 20 to 23 mph, with gusts as high as 50 mph.  Chance of precipitation is 90%. New snow accumulation of 3 to 7 inches possible.

    High: 36 °F

    Rain/Snow and
    Breezy

  • Wednesday Night

    Wednesday Night: Rain, possibly mixed with snow before 8pm, then rain between 8pm and 11pm, then rain and snow likely after 11pm.  Snow level 7800 feet lowering to 7200 feet after midnight . Low around 33. Breezy, with a west southwest wind 22 to 26 mph, with gusts as high as 50 mph.  Chance of precipitation is 80%. New snow accumulation of less than one inch possible.

    Low: 33 °F

    Rain/Snow and
    Breezy

  • Thursday

    Thursday: Snow. The snow could be heavy at times.  High near 34. Breezy, with a west southwest wind 21 to 25 mph, with gusts as high as 50 mph.  Chance of precipitation is 90%. New snow accumulation of 4 to 8 inches possible.

    High: 34 °F

    Heavy Snow
    and Breezy

  • Thursday Night

    Thursday Night: Snow.  Low around 27. West wind 10 to 20 mph, with gusts as high as 40 mph.  Chance of precipitation is 90%. New snow accumulation of 4 to 8 inches possible.

    Low: 27 °F

    Snow

  • Friday

    Friday: Snow. The snow could be heavy at times.  High near 33. Chance of precipitation is 90%. New snow accumulation of 3 to 7 inches possible.

    High: 33 °F

    Heavy Snow

  • Friday Night

    Friday Night: Snow likely.  Mostly cloudy, with a low around 24. Chance of precipitation is 60%. New snow accumulation of 3 to 5 inches possible.

    Low: 24 °F

    Snow Likely

  • Saturday

    Saturday: A chance of snow, mainly before 11am.  Partly sunny, with a high near 29.

    High: 29 °F

    Chance Snow

  • Saturday Night

    Saturday Night: A slight chance of snow.  Partly cloudy, with a low around 26.

    Low: 26 °F

    Slight Chance
    Snow

Detailed Forecast

Tonight
Snow, mainly after 2am. The snow could be heavy at times. Low around 21. West southwest wind 6 to 15 mph, with gusts as high as 31 mph. Chance of precipitation is 90%. Total nighttime snow accumulation of 3 to 5 inches possible.
Wednesday
Rain and snow before 3pm, then rain between 3pm and 4pm, then rain, possibly mixed with snow after 4pm. The snow could be heavy at times. High near 36. Breezy, with a west southwest wind 20 to 23 mph, with gusts as high as 50 mph. Chance of precipitation is 90%. New snow accumulation of 3 to 7 inches possible.
Wednesday Night
Rain, possibly mixed with snow before 8pm, then rain between 8pm and 11pm, then rain and snow likely after 11pm. Snow level 7800 feet lowering to 7200 feet after midnight . Low around 33. Breezy, with a west southwest wind 22 to 26 mph, with gusts as high as 50 mph. Chance of precipitation is 80%. New snow accumulation of less than one inch possible.
Thursday
Snow. The snow could be heavy at times. High near 34. Breezy, with a west southwest wind 21 to 25 mph, with gusts as high as 50 mph. Chance of precipitation is 90%. New snow accumulation of 4 to 8 inches possible.
Thursday Night
Snow. Low around 27. West wind 10 to 20 mph, with gusts as high as 40 mph. Chance of precipitation is 90%. New snow accumulation of 4 to 8 inches possible.
Friday
Snow. The snow could be heavy at times. High near 33. Chance of precipitation is 90%. New snow accumulation of 3 to 7 inches possible.
Friday Night
Snow likely. Mostly cloudy, with a low around 24. Chance of precipitation is 60%. New snow accumulation of 3 to 5 inches possible.
Saturday
A chance of snow, mainly before 11am. Partly sunny, with a high near 29.
Saturday Night
A slight chance of snow. Partly cloudy, with a low around 26.
Sunday
A chance of snow, mainly after 11am. Partly sunny, with a high near 32.
Sunday Night
A slight chance of snow. Mostly cloudy, with a low around 28.
Monday
A chance of snow. Partly sunny, with a high near 33.
Monday Night
A chance of snow. Mostly cloudy, with a low around 30.
Tuesday
Snow likely. Mostly cloudy, with a high near 32.
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ABOUT THIS FORECAST

 
Point Forecast:
15 Miles NNW Lincoln MT
 47.15°N 112.84°W (Elev. 7014 ft)
2:21 pm MST Dec 9, 2025
5pm MST Dec 9, 2025-6pm MST Dec 16, 2025
 
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Additional Resources

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