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

49°F

9°C

Humidity 54%
Wind Speed SSW 12 MPH
Barometer 30.05 in (1017.61 mb)
Dewpoint 33°F (1°C)
Visibility 10.00 mi
Wind Chill44°F (7°C)
Last update 08 Dec 06:56 PM MST
Extended Forecast for

24 Miles SSW Salmon ID

  • Tonight

    Tonight: Rain and snow likely, becoming all rain after 11pm.  Snow level 6400 feet rising to 7500 feet after midnight. Mostly cloudy, with a temperature rising to around 42 by 5am. Breezy, with a south southwest wind 20 to 24 mph, with gusts as high as 38 mph.  Chance of precipitation is 70%. Little or no snow accumulation expected.

    Low: 36 °F

    Breezy.
    Rain/Snow
    Likely then
    Rain Likely

  • Tuesday

    Tuesday: Rain before 2pm, then rain and snow.  Snow level 7600 feet lowering to 6500 feet in the afternoon . High near 43. Breezy, with a west wind 16 to 22 mph, with gusts as high as 38 mph.  Chance of precipitation is 80%. Little or no snow accumulation expected.

    High: 43 °F

    Rain and
    Breezy then
    Rain/Snow

  • Tuesday Night

    Tuesday Night: Rain, possibly mixed with snow, becoming all rain after 2am.  Snow level 6400 feet rising to 8100 feet after midnight. Temperature rising to around 42 by 2am. Southwest wind 9 to 15 mph, with gusts as high as 25 mph.  Chance of precipitation is 90%. Little or no snow accumulation expected.

    Low: 36 °F

    Rain/Snow

  • Wednesday

    Wednesday: Rain.  High near 47. Southwest wind around 15 mph, with gusts as high as 26 mph.  Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.

    High: 47 °F

    Rain

  • Wednesday Night

    Wednesday Night: A 30 percent chance of rain.  Mostly cloudy, with a low around 39. Southwest wind 14 to 16 mph, with gusts as high as 25 mph.

    Low: 39 °F

    Chance Rain

  • Thursday

    Thursday: A 30 percent chance of rain, mainly before 11am.  Partly sunny, with a high near 47.

    High: 47 °F

    Chance Rain

  • Thursday Night

    Thursday Night: A 20 percent chance of rain before 11pm.  Mostly cloudy, with a low around 34.

    Low: 34 °F

    Slight Chance
    Rain then
    Mostly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 46.

    High: 46 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 30.

    Low: 30 °F

    Partly Cloudy

Detailed Forecast

Tonight
Rain and snow likely, becoming all rain after 11pm. Snow level 6400 feet rising to 7500 feet after midnight. Mostly cloudy, with a temperature rising to around 42 by 5am. Breezy, with a south southwest wind 20 to 24 mph, with gusts as high as 38 mph. Chance of precipitation is 70%. Little or no snow accumulation expected.
Tuesday
Rain before 2pm, then rain and snow. Snow level 7600 feet lowering to 6500 feet in the afternoon . High near 43. Breezy, with a west wind 16 to 22 mph, with gusts as high as 38 mph. Chance of precipitation is 80%. Little or no snow accumulation expected.
Tuesday Night
Rain, possibly mixed with snow, becoming all rain after 2am. Snow level 6400 feet rising to 8100 feet after midnight. Temperature rising to around 42 by 2am. Southwest wind 9 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 90%. Little or no snow accumulation expected.
Wednesday
Rain. High near 47. Southwest wind around 15 mph, with gusts as high as 26 mph. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.
Wednesday Night
A 30 percent chance of rain. Mostly cloudy, with a low around 39. Southwest wind 14 to 16 mph, with gusts as high as 25 mph.
Thursday
A 30 percent chance of rain, mainly before 11am. Partly sunny, with a high near 47.
Thursday Night
A 20 percent chance of rain before 11pm. Mostly cloudy, with a low around 34.
Friday
Mostly sunny, with a high near 46.
Friday Night
Partly cloudy, with a low around 30.
Saturday
Mostly sunny, with a high near 46.
Saturday Night
Partly cloudy, with a low around 32.
Sunday
A slight chance of snow. Mostly sunny, with a high near 45.
Sunday Night
Mostly cloudy, with a low around 31.
Monday
A chance of rain and snow. Partly sunny, with a high near 44.
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ABOUT THIS FORECAST

 
Point Forecast:
24 Miles SSW Salmon ID
 44.85°N 114.02°W (Elev. 6099 ft)
1:01 pm MST Dec 8, 2025
7pm MST Dec 8, 2025-6pm MST Dec 15, 2025
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database