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

Hawaii and Guam Concerns; Record Warmth Spreads Eastward; Heavy Snow for Sierra-Nevada; Severe Weather for the Plains

A very active spring pattern with tropical concerns across the Pacific. Heavy rainfall will continue to impact Hawaii this weekend. Meanwhile we continue to monitor a developing typhoon that may affect Guam into early next week. For the Lower 48, heavy snow for mountains of California this weekend, increase threat for severe thunderstorms next week for the Plains and record warmth spreads east. Read More >

Current conditions at

Salmon, Lemhi County Airport (KSMN)

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

Rain

45°F

7°C

Humidity 93%
Wind Speed N 0 MPH
Barometer 29.75 in (1007.45 mb)
Dewpoint 43°F (6°C)
Visibility 10.00 mi
Last update 11 Apr 07:20 AM MDT
Extended Forecast for

8 Miles SSE Salmon ID

  • Today

    Today: Rain and snow showers likely. Some thunder is also possible. Snow level 8600 feet lowering to 8100 feet in the afternoon . Partly sunny, with a high near 49. South wind 10 to 15 mph becoming west in the afternoon. Winds could gust as high as 29 mph. Chance of precipitation is 70%. Little or no snow accumulation expected.

    High: 49 °F

    Slight Chance
    Rain/Snow
    then
    Rain/Snow
    Likely

  • Tonight

    Tonight: A chance of rain and snow showers before 7pm, then a chance of snow showers between 7pm and 8pm. Mostly cloudy, then gradually becoming mostly clear, with a low around 34. West wind 7 to 14 mph becoming south southeast after midnight. Chance of precipitation is 30%. Little or no snow accumulation expected.

    Low: 34 °F

    Chance
    Rain/Snow
    then Partly
    Cloudy

  • Sunday

    Sunday: Snow showers, mainly after noon. Some thunder is also possible. High near 45. South southeast wind 6 to 11 mph, with gusts as high as 18 mph. Chance of precipitation is 80%. Little or no snow accumulation expected.

    High: 45 °F

    Chance Snow
    Showers then
    Snow Showers

  • Sunday Night

    Sunday Night: Snow showers likely, mainly before midnight. Mostly cloudy, with a low around 33. Southwest wind 10 to 14 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.

    Low: 33 °F

    Snow Showers
    Likely

  • Monday

    Monday: Snow showers likely, mainly after noon. Mostly cloudy, with a high near 37. Southwest wind 10 to 13 mph, with gusts as high as 18 mph. Chance of precipitation is 70%. New snow accumulation of 1 to 2 inches possible.

    High: 37 °F

    Snow Showers
    Likely

  • Monday Night

    Monday Night: A 30 percent chance of snow showers before midnight. Mostly cloudy, with a low around 31. New snow accumulation of less than a half inch possible.

    Low: 31 °F

    Chance Snow
    Showers then
    Mostly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 41.

    High: 41 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 32.

    Low: 32 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Rain and snow likely, mainly after noon. Mostly cloudy, with a high near 39.

    High: 39 °F

    Rain/Snow
    Likely

Detailed Forecast

Today
Rain and snow showers likely. Some thunder is also possible. Snow level 8600 feet lowering to 8100 feet in the afternoon . Partly sunny, with a high near 49. South wind 10 to 15 mph becoming west in the afternoon. Winds could gust as high as 29 mph. Chance of precipitation is 70%. Little or no snow accumulation expected.
Tonight
A chance of rain and snow showers before 7pm, then a chance of snow showers between 7pm and 8pm. Mostly cloudy, then gradually becoming mostly clear, with a low around 34. West wind 7 to 14 mph becoming south southeast after midnight. Chance of precipitation is 30%. Little or no snow accumulation expected.
Sunday
Snow showers, mainly after noon. Some thunder is also possible. High near 45. South southeast wind 6 to 11 mph, with gusts as high as 18 mph. Chance of precipitation is 80%. Little or no snow accumulation expected.
Sunday Night
Snow showers likely, mainly before midnight. Mostly cloudy, with a low around 33. Southwest wind 10 to 14 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.
Monday
Snow showers likely, mainly after noon. Mostly cloudy, with a high near 37. Southwest wind 10 to 13 mph, with gusts as high as 18 mph. Chance of precipitation is 70%. New snow accumulation of 1 to 2 inches possible.
Monday Night
A 30 percent chance of snow showers before midnight. Mostly cloudy, with a low around 31. New snow accumulation of less than a half inch possible.
Tuesday
Partly sunny, with a high near 41.
Tuesday Night
Mostly cloudy, with a low around 32.
Wednesday
Rain and snow likely, mainly after noon. Mostly cloudy, with a high near 39.
Wednesday Night
Rain and snow likely, becoming all snow after 9pm. Mostly cloudy, with a low around 25.
Thursday
A chance of snow. Partly sunny, with a high near 31.
Thursday Night
Partly cloudy, with a low around 20.
Friday
Mostly sunny, with a high near 34.
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ABOUT THIS FORECAST

 
Point Forecast:
8 Miles SSE Salmon ID
 45.06°N 113.85°W (Elev. 7946 ft)
Last Update:
2:01 am MDT Apr 11, 2026
Forecast Valid:
7am MDT Apr 11, 2026-6pm MDT Apr 17, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation