Heavy Snow from the Midwest into the Great Lakes; Locally Heavy Rain in the Western Gulf Coast

A significant winter storm will produce a broad area of moderate to heavy snow from the Midwest through the western Great Lakes. Significant snow accumulations of 6-12 inches, and locally more than 1 foot, and gusty wind may cause hazardous travel conditions. Thunderstorms, some severe, and showers may produce locally heavy rain and isolated flash flooding along the western Gulf Coast. Read More >

Current conditions at

Salmon, Lemhi County Airport (KSMN)

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

Clear

25°F

-4°C

Humidity 80%
Wind Speed SSE 4 MPH
Barometer 30.05 in (1017.61 mb)
Dewpoint 20°F (-7°C)
Visibility 10.00 mi
Wind Chill20°F (-7°C)
Last update 29 Nov 09:56 PM MST
Extended Forecast for

4 Miles S Salmon ID

  • Tonight

    Tonight: A 20 percent chance of snow before midnight.  Cloudy, with a low around 21. Calm wind.

    Low: 21 °F

    Slight Chance
    Snow then
    Cloudy

  • Sunday

    Sunday: A 20 percent chance of snow before 11am.  Mostly cloudy, then gradually becoming sunny, with a high near 36. Calm wind.

    High: 36 °F

    Slight Chance
    Snow then
    Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 13. Calm wind.

    Low: 13 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 37. Calm wind.

    High: 37 °F

    Mostly Sunny

  • Monday Night

    Monday Night: A 20 percent chance of snow after 11pm.  Mostly cloudy, with a low around 23. Light southwest wind.

    Low: 23 °F

    Slight Chance
    Snow

  • Tuesday

    Tuesday: A chance of snow before 2pm, then a slight chance of rain.  Cloudy, with a high near 38. Chance of precipitation is 40%. Little or no snow accumulation expected.

    High: 38 °F

    Chance Snow
    then Slight
    Chance
    Rain/Snow

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 19.

    Low: 19 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Patchy freezing fog before 9am. Mostly sunny, with a high near 37.

    High: 37 °F

    Patchy
    Freezing Fog
    then Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 16.

    Low: 16 °F

    Partly Cloudy

Detailed Forecast

Tonight
A 20 percent chance of snow before midnight. Cloudy, with a low around 21. Calm wind.
Sunday
A 20 percent chance of snow before 11am. Mostly cloudy, then gradually becoming sunny, with a high near 36. Calm wind.
Sunday Night
Partly cloudy, with a low around 13. Calm wind.
Monday
Mostly sunny, with a high near 37. Calm wind.
Monday Night
A 20 percent chance of snow after 11pm. Mostly cloudy, with a low around 23. Light southwest wind.
Tuesday
A chance of snow before 2pm, then a slight chance of rain. Cloudy, with a high near 38. Chance of precipitation is 40%. Little or no snow accumulation expected.
Tuesday Night
Mostly cloudy, with a low around 19.
Wednesday
Patchy freezing fog before 9am. Mostly sunny, with a high near 37.
Wednesday Night
Partly cloudy, with a low around 16.
Thursday
Partly sunny, with a high near 38.
Thursday Night
Mostly cloudy, with a low around 23.
Friday
A slight chance of rain and snow. Snow level 4800 feet rising to 6300 feet in the afternoon. Mostly cloudy, with a high near 43.
Friday Night
A chance of rain and snow. Mostly cloudy, with a low around 26.
Saturday
A chance of rain and snow. Mostly cloudy, 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)
2:51 pm MST Nov 29, 2025
10pm MST Nov 29, 2025-6pm MST Dec 6, 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