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

Prolonged dangerous winter storm conditions in the high country of western Montana and north-central Idaho later this week with localized damaging winds

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Hazardous Weather Conditions

Current conditions at

Salmon, Lemhi County Airport (KSMN)

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

Overcast

37°F

3°C

Humidity 26%
Wind Speed NNW 9 MPH
Barometer 29.97 in (1014.9 mb)
Dewpoint 6°F (-14°C)
Visibility 10.00 mi
Wind Chill30°F (-1°C)
Last update 10 Mar 12:56 PM MDT
Extended Forecast for

20 Miles S Salmon ID

High Wind Warning March 12, 12:00am until March 13, 12:00am
Click here for hazard details and duration
High Wind Warning

  • This Afternoon

    This Afternoon: A 40 percent chance of snow, mainly after 3pm. Partly sunny, with a high near 37. West northwest wind 15 to 17 mph, with gusts as high as 26 mph. Little or no snow accumulation expected.

    High: 37 °F

    Chance Snow

  • Tonight

    Tonight: Partly cloudy, with a low around 22. West northwest wind 6 to 16 mph becoming south southeast in the evening. Winds could gust as high as 25 mph.

    Low: 22 °F

    Partly Cloudy

  • Wednesday

    Wednesday: A slight chance of rain and snow after 4pm. Mostly sunny, with a high near 46. South southwest wind 7 to 12 mph increasing to 15 to 20 mph in the afternoon. Winds could gust as high as 30 mph. Chance of precipitation is 20%.

    High: 46 °F

    Mostly Sunny
    then Slight
    Chance
    Rain/Snow

  • Wednesday Night

    Wednesday Night: Rain and snow likely, becoming all rain after 3am. Snow level 5100 feet rising to 5900 feet after midnight. Mostly cloudy, with a low around 39. Southwest wind 11 to 17 mph, with gusts as high as 30 mph. Chance of precipitation is 60%. Little or no snow accumulation expected.

    Low: 39 °F

    Chance
    Rain/Snow
    then
    Rain/Snow
    Likely

  • Thursday

    Thursday: Rain likely. Mostly cloudy, with a high near 51. Breezy, with a west southwest wind 16 to 25 mph, with gusts as high as 38 mph. Chance of precipitation is 70%.

    High: 51 °F

    Rain Likely
    and Breezy

  • Thursday Night

    Thursday Night: Rain likely. Cloudy, with a low around 42. Breezy. Chance of precipitation is 70%.

    Low: 42 °F

    Rain Likely
    and Breezy

  • Friday

    Friday: Rain likely, mainly before noon. Mostly cloudy, with a high near 55. Chance of precipitation is 60%.

    High: 55 °F

    Rain Likely

  • Friday Night

    Friday Night: Rain likely, mainly after midnight. Cloudy, with a low around 42.

    Low: 42 °F

    Rain Likely

  • Saturday

    Saturday: Rain before 3pm, then a chance of snow. Snow level 6700 feet lowering to 5000 feet in the afternoon . Mostly cloudy, with a high near 49. Breezy.

    High: 49 °F

    Rain then
    Chance
    Rain/Snow and
    Breezy

Detailed Forecast

This Afternoon
A 40 percent chance of snow, mainly after 3pm. Partly sunny, with a high near 37. West northwest wind 15 to 17 mph, with gusts as high as 26 mph. Little or no snow accumulation expected.
Tonight
Partly cloudy, with a low around 22. West northwest wind 6 to 16 mph becoming south southeast in the evening. Winds could gust as high as 25 mph.
Wednesday
A slight chance of rain and snow after 4pm. Mostly sunny, with a high near 46. South southwest wind 7 to 12 mph increasing to 15 to 20 mph in the afternoon. Winds could gust as high as 30 mph. Chance of precipitation is 20%.
Wednesday Night
Rain and snow likely, becoming all rain after 3am. Snow level 5100 feet rising to 5900 feet after midnight. Mostly cloudy, with a low around 39. Southwest wind 11 to 17 mph, with gusts as high as 30 mph. Chance of precipitation is 60%. Little or no snow accumulation expected.
Thursday
Rain likely. Mostly cloudy, with a high near 51. Breezy, with a west southwest wind 16 to 25 mph, with gusts as high as 38 mph. Chance of precipitation is 70%.
Thursday Night
Rain likely. Cloudy, with a low around 42. Breezy. Chance of precipitation is 70%.
Friday
Rain likely, mainly before noon. Mostly cloudy, with a high near 55. Chance of precipitation is 60%.
Friday Night
Rain likely, mainly after midnight. Cloudy, with a low around 42.
Saturday
Rain before 3pm, then a chance of snow. Snow level 6700 feet lowering to 5000 feet in the afternoon . Mostly cloudy, with a high near 49. Breezy.
Saturday Night
Mostly cloudy, with a low around 29. Blustery.
Sunday
Mostly cloudy, with a high near 47.
Sunday Night
A slight chance of snow. Mostly cloudy, with a low around 38.
Monday
A slight chance of rain and snow. Snow level 5000 feet rising to 7600 feet in the afternoon. Mostly cloudy, with a high near 60.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
20 Miles S Salmon ID
 44.88°N 113.96°W (Elev. 4600 ft)
Last Update:
12:22 pm MDT Mar 10, 2026
Forecast Valid:
1pm MDT Mar 10, 2026-6pm MDT Mar 16, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

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National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation