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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Current conditions at

Salmon, Lemhi County Airport (KSMN)

Lat: 45.11667°NLon: 113.88333°WElev: 4045.0ft.

Rain

42°F

6°C

Humidity 82%
Wind Speed N 6 MPH
Barometer 29.89 in (1012.19 mb)
Dewpoint 37°F (3°C)
Visibility 10.00 mi
Wind Chill38°F (3°C)
Last update 09 Dec 03:56 AM MST
Extended Forecast for

16 Miles E Salmon ID

  • Overnight

    Overnight: Snow. The snow could be heavy at times.  Low around 25. Breezy, with a west southwest wind around 29 mph, with gusts as high as 46 mph.  Chance of precipitation is 80%. Total nighttime snow accumulation of 3 to 7 inches possible.

    Low: 25 °F

    Heavy Snow
    and Breezy

  • Tuesday

    Tuesday: Snow, mainly before noon. The snow could be heavy at times.  Temperature falling to around 22 by 5pm. Breezy, with a west wind 20 to 29 mph, with gusts as high as 47 mph.  Chance of precipitation is 90%. New snow accumulation of 5 to 9 inches possible.

    High: 30 °F

    Heavy Snow
    and Breezy

  • Tuesday Night

    Tuesday Night: Snow. The snow could be heavy at times.  Temperature rising to around 31 by 5am. West southwest wind 9 to 18 mph, with gusts as high as 28 mph.  Chance of precipitation is 90%. New snow accumulation of 9 to 13 inches possible.

    Low: 22 °F

    Heavy Snow

  • Wednesday

    Wednesday: Snow before 11am, then a chance of rain and snow.  High near 32. West southwest wind 16 to 18 mph, with gusts as high as 30 mph.  Chance of precipitation is 80%. New snow accumulation of 2 to 4 inches possible.

    High: 32 °F

    Rain/Snow
    then Chance
    Rain/Snow

  • Wednesday Night

    Wednesday Night: A chance of rain and snow before 2am, then a slight chance of snow.  Snow level 9500 feet lowering to 9000 feet after midnight . Mostly cloudy, with a low around 26. West southwest wind 17 to 20 mph, with gusts as high as 31 mph.  Chance of precipitation is 30%. New snow accumulation of less than a half inch possible.

    Low: 26 °F

    Chance
    Rain/Snow

  • Thursday

    Thursday: A chance of snow before 11am, then a chance of rain and snow.  Mostly cloudy, with a high near 33. Chance of precipitation is 40%. New snow accumulation of less than a half inch possible.

    High: 33 °F

    Chance
    Rain/Snow

  • Thursday Night

    Thursday Night: A 30 percent chance of snow, mainly before 11pm.  Cloudy, with a low around 29. New snow accumulation of less than one inch possible.

    Low: 29 °F

    Chance Snow

  • Friday

    Friday: A slight chance of snow before 11am.  Mostly cloudy, with a high near 32.

    High: 32 °F

    Slight Chance
    Snow then
    Partly Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 23.

    Low: 23 °F

    Mostly Cloudy

Detailed Forecast

Overnight
Snow. The snow could be heavy at times. Low around 25. Breezy, with a west southwest wind around 29 mph, with gusts as high as 46 mph. Chance of precipitation is 80%. Total nighttime snow accumulation of 3 to 7 inches possible.
Tuesday
Snow, mainly before noon. The snow could be heavy at times. Temperature falling to around 22 by 5pm. Breezy, with a west wind 20 to 29 mph, with gusts as high as 47 mph. Chance of precipitation is 90%. New snow accumulation of 5 to 9 inches possible.
Tuesday Night
Snow. The snow could be heavy at times. Temperature rising to around 31 by 5am. West southwest wind 9 to 18 mph, with gusts as high as 28 mph. Chance of precipitation is 90%. New snow accumulation of 9 to 13 inches possible.
Wednesday
Snow before 11am, then a chance of rain and snow. High near 32. West southwest wind 16 to 18 mph, with gusts as high as 30 mph. Chance of precipitation is 80%. New snow accumulation of 2 to 4 inches possible.
Wednesday Night
A chance of rain and snow before 2am, then a slight chance of snow. Snow level 9500 feet lowering to 9000 feet after midnight . Mostly cloudy, with a low around 26. West southwest wind 17 to 20 mph, with gusts as high as 31 mph. Chance of precipitation is 30%. New snow accumulation of less than a half inch possible.
Thursday
A chance of snow before 11am, then a chance of rain and snow. Mostly cloudy, with a high near 33. Chance of precipitation is 40%. New snow accumulation of less than a half inch possible.
Thursday Night
A 30 percent chance of snow, mainly before 11pm. Cloudy, with a low around 29. New snow accumulation of less than one inch possible.
Friday
A slight chance of snow before 11am. Mostly cloudy, with a high near 32.
Friday Night
Mostly cloudy, with a low around 23.
Saturday
Mostly sunny, with a high near 31.
Saturday Night
Partly cloudy, with a low around 22.
Sunday
A slight chance of snow. Partly sunny, with a high near 28.
Sunday Night
Mostly cloudy, with a low around 22.
Monday
A slight chance of snow. Partly sunny, with a high near 31.
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ABOUT THIS FORECAST

 
Point Forecast:
16 Miles E Salmon ID
 45.13°N 113.58°W (Elev. 9042 ft)
1:02 am MST Dec 9, 2025
4am MST Dec 9, 2025-6pm MST Dec 15, 2025
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database