Storm Impacting the Southwest U.S.

A slow moving weather disturbance will continue to bring periodic rain showers, a few isolated thunderstorms, and a localized flash flooding across the Southwest. The threat will expand into the Southern Plains Wednesday night. Moderate to heavy snow across the Sierra Nevada and southern Utah Ranges will continue into the overnight period. Read More >

Current conditions at

Salmon, Lemhi County Airport (KSMN)

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

Overcast

41°F

5°C

Humidity 93%
Wind Speed ESE 3 MPH
Barometer 29.98 in (1015.24 mb)
Dewpoint 39°F (4°C)
Visibility 10.00 mi
Last update 19 Nov 04:05 AM MST
Extended Forecast for

4 Miles S Salmon ID

  • Overnight

    Overnight: A 20 percent chance of rain.  Mostly cloudy, with a low around 31. Calm wind.

    Low: 31 °F

    Slight Chance
    Rain

  • Wednesday

    Wednesday: A slight chance of rain between 3pm and 4pm.  Patchy fog before 10am.  Otherwise, partly sunny, with a high near 51. Calm wind.  Chance of precipitation is 20%.

    High: 51 °F

    Patchy Fog
    then Slight
    Chance Rain

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 28. Light south southeast wind.

    Low: 28 °F

    Partly Cloudy

  • Thursday

    Thursday: Patchy fog before 10am.  Otherwise, mostly sunny, with a high near 50. Calm wind.

    High: 50 °F

    Patchy Fog
    then Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 26. Calm wind.

    Low: 26 °F

    Partly Cloudy

  • Friday

    Friday: Patchy fog between 8am and 9am.  Otherwise, mostly sunny, with a high near 49.

    High: 49 °F

    Patchy Fog
    then Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 26.

    Low: 26 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 49.

    High: 49 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 26.

    Low: 26 °F

    Mostly Cloudy

Detailed Forecast

Overnight
A 20 percent chance of rain. Mostly cloudy, with a low around 31. Calm wind.
Wednesday
A slight chance of rain between 3pm and 4pm. Patchy fog before 10am. Otherwise, partly sunny, with a high near 51. Calm wind. Chance of precipitation is 20%.
Wednesday Night
Partly cloudy, with a low around 28. Light south southeast wind.
Thursday
Patchy fog before 10am. Otherwise, mostly sunny, with a high near 50. Calm wind.
Thursday Night
Partly cloudy, with a low around 26. Calm wind.
Friday
Patchy fog between 8am and 9am. Otherwise, mostly sunny, with a high near 49.
Friday Night
Partly cloudy, with a low around 26.
Saturday
Mostly sunny, with a high near 49.
Saturday Night
Mostly cloudy, with a low around 26.
Sunday
Partly sunny, with a high near 50.
Sunday Night
Mostly cloudy, with a low around 28.
Monday
A slight chance of rain. Mostly sunny, with a high near 50.
Monday Night
Mostly cloudy, with a low around 23.
Tuesday
Partly sunny, with a high near 42.
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles S Salmon ID
 45.12°N 113.89°W (Elev. 4035 ft)
1:02 am MST Nov 19, 2025
4am MST Nov 19, 2025-6pm MST Nov 25, 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