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

Likelihood of HISTORIC Northern Rockies 3-5 day precipitation and snowmelt this week in some valleys and west slopes resulting in poor drainage ponding and stream flooding threats along with rockslides. Several feet of heavy snow above 8000 feet possible.

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Hazardous Weather Conditions

Current conditions at

STILLWATER (STWM8)

Lat: 48.53944°NLon: 114.55944°WElev: 3116.0ft.

NA

34°F

1°C

Humidity 100%
Wind Speed ENE 0 MPH
Barometer NA
Dewpoint 34°F (1°C)
Visibility NA
Last update 08 Dec 01:00 PM MST
Extended Forecast for

8 Miles SE Fortine MT

Flood Watch December 8, 05:00pm until December 11, 05:00pm
Wind Advisory December 8, 08:00pm until December 9, 08:00am
Click here for hazard details and duration
Flood Watch
Wind Advisory

  • This Afternoon

    This Afternoon: Rain, possibly mixed with snow. Snow level 4500 feet. High near 42. Southwest wind around 7 mph, with gusts as high as 22 mph. Chance of precipitation is 100%. Little or no snow accumulation expected.

    High: 42 °F

    Rain/Snow

  • Tonight

    Tonight: Rain, mainly before 4am. Low around 33. Southwest wind 9 to 14 mph, with gusts as high as 33 mph. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 33 °F

    Rain

  • Tuesday

    Tuesday: A chance of rain and snow before 11am, then a chance of rain after 5pm. Snow level 5300 feet lowering to 3400 feet. Mostly cloudy, with a high near 43. West southwest wind 9 to 14 mph, with gusts as high as 32 mph. Chance of precipitation is 30%. New snow accumulation of less than a half inch possible.

    High: 43 °F

    Chance
    Rain/Snow
    then Chance
    Rain

  • Tuesday Night

    Tuesday Night: Rain, possibly mixed with snow. Low around 28. Light south wind. Chance of precipitation is 90%. New snow accumulation of 1 to 2 inches possible.

    Low: 28 °F

    Rain/Snow

  • Wednesday

    Wednesday: Rain, possibly mixed with snow, becoming all rain after 8am. Snow level 4000 feet rising to 5300 feet in the afternoon. High near 43. West southwest wind 5 to 7 mph. Chance of precipitation is 100%. Little or no snow accumulation expected.

    High: 43 °F

    Rain/Snow
    then Rain

  • Wednesday Night

    Wednesday Night: Rain before 8pm, then rain, possibly mixed with snow. Snow level 5100 feet lowering to 4300 feet. Low around 28. Chance of precipitation is 80%. New snow accumulation of less than a half inch possible.

    Low: 28 °F

    Rain/Snow

  • Thursday

    Thursday: Rain, possibly mixed with snow. Snow level 4000 feet. High near 37. Chance of precipitation is 80%. New snow accumulation of less than a half inch possible.

    High: 37 °F

    Rain/Snow

  • Thursday Night

    Thursday Night: Rain and snow likely, becoming all snow after 8pm. Cloudy, with a low around 22.

    Low: 22 °F

    Rain/Snow
    Likely then
    Snow Likely

  • Friday

    Friday: Snow likely before 2pm, then a chance of rain and snow. Mostly cloudy, with a high near 38.

    High: 38 °F

    Snow Likely
    then Chance
    Rain/Snow

Detailed Forecast

This Afternoon
Rain, possibly mixed with snow. Snow level 4500 feet. High near 42. Southwest wind around 7 mph, with gusts as high as 22 mph. Chance of precipitation is 100%. Little or no snow accumulation expected.
Tonight
Rain, mainly before 4am. Low around 33. Southwest wind 9 to 14 mph, with gusts as high as 33 mph. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.
Tuesday
A chance of rain and snow before 11am, then a chance of rain after 5pm. Snow level 5300 feet lowering to 3400 feet. Mostly cloudy, with a high near 43. West southwest wind 9 to 14 mph, with gusts as high as 32 mph. Chance of precipitation is 30%. New snow accumulation of less than a half inch possible.
Tuesday Night
Rain, possibly mixed with snow. Low around 28. Light south wind. Chance of precipitation is 90%. New snow accumulation of 1 to 2 inches possible.
Wednesday
Rain, possibly mixed with snow, becoming all rain after 8am. Snow level 4000 feet rising to 5300 feet in the afternoon. High near 43. West southwest wind 5 to 7 mph. Chance of precipitation is 100%. Little or no snow accumulation expected.
Wednesday Night
Rain before 8pm, then rain, possibly mixed with snow. Snow level 5100 feet lowering to 4300 feet. Low around 28. Chance of precipitation is 80%. New snow accumulation of less than a half inch possible.
Thursday
Rain, possibly mixed with snow. Snow level 4000 feet. High near 37. Chance of precipitation is 80%. New snow accumulation of less than a half inch possible.
Thursday Night
Rain and snow likely, becoming all snow after 8pm. Cloudy, with a low around 22.
Friday
Snow likely before 2pm, then a chance of rain and snow. Mostly cloudy, with a high near 38.
Friday Night
A chance of rain and snow. Snow level 4700 feet. Mostly cloudy, with a low around 25.
Saturday
A chance of rain and snow. Snow level 4400 feet. Mostly cloudy, with a high near 38.
Saturday Night
A chance of rain and snow. Snow level 4200 feet. Mostly cloudy, with a low around 27.
Sunday
Rain and snow likely. Snow level 4000 feet. Mostly cloudy, with a high near 40.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
8 Miles SE Fortine MT
 48.68°N 114.79°W (Elev. 3399 ft)
Last Update:
1:01 pm MST Dec 8, 2025
Forecast Valid:
1pm MST Dec 8, 2025-6pm MST Dec 14, 2025
 
Forecast Discussion
 
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Additional Resources

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