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.

Mostly Cloudy

48°F

9°C

Humidity 81%
Wind Speed ESE 9 MPH
Barometer 29.78 in (1008.47 mb)
Dewpoint 43°F (6°C)
Visibility 10.00 mi
Wind Chill44°F (7°C)
Last update 11 Apr 02:20 AM MDT
Extended Forecast for

25 Miles SW Salmon ID

  • Overnight

    Overnight: A slight chance of rain and snow showers before 3am. Mostly cloudy, with a low around 32. Southwest wind around 11 mph, with gusts as high as 18 mph. Chance of precipitation is 20%.

    Low: 32 °F

    Slight Chance
    Rain/Snow

  • Saturday

    Saturday: Snow showers, mainly between noon and 5pm. Some thunder is also possible. High near 41. South southwest wind 11 to 20 mph, with gusts as high as 38 mph. Chance of precipitation is 80%. Little or no snow accumulation expected.

    High: 41 °F

    Chance Snow
    Showers then
    Snow Showers

  • Saturday Night

    Saturday Night: A 30 percent chance of snow showers, mainly before 7pm. Increasing clouds, with a low around 27. West wind 8 to 17 mph becoming south after midnight. Winds could gust as high as 29 mph. New snow accumulation of less than a half inch possible.

    Low: 27 °F

    Chance Snow
    Showers then
    Partly Cloudy

  • Sunday

    Sunday: Snow showers. Some thunder is also possible. High near 37. South wind 9 to 16 mph, with gusts as high as 29 mph. Chance of precipitation is 90%. New snow accumulation of 2 to 4 inches possible.

    High: 37 °F

    Snow Showers
    Likely then
    Snow Showers

  • Sunday Night

    Sunday Night: Snow showers likely, mainly before midnight. Mostly cloudy, with a low around 25. West southwest wind 14 to 16 mph, with gusts as high as 29 mph. Chance of precipitation is 60%. New snow accumulation of 1 to 2 inches possible.

    Low: 25 °F

    Snow Showers
    Likely

  • Monday

    Monday: Snow showers. High near 31. Chance of precipitation is 80%. New snow accumulation of 2 to 4 inches possible.

    High: 31 °F

    Snow Showers

  • Monday Night

    Monday Night: A 40 percent chance of snow showers, mainly before midnight. Mostly cloudy, with a low around 24. New snow accumulation of around an inch possible.

    Low: 24 °F

    Chance Snow
    Showers

  • Tuesday

    Tuesday: Partly sunny, with a high near 34.

    High: 34 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: A chance of snow after midnight. Mostly cloudy, with a low around 25. Breezy.

    Low: 25 °F

    Partly Cloudy
    and Breezy
    then Chance
    Snow

Detailed Forecast

Overnight
A slight chance of rain and snow showers before 3am. Mostly cloudy, with a low around 32. Southwest wind around 11 mph, with gusts as high as 18 mph. Chance of precipitation is 20%.
Saturday
Snow showers, mainly between noon and 5pm. Some thunder is also possible. High near 41. South southwest wind 11 to 20 mph, with gusts as high as 38 mph. Chance of precipitation is 80%. Little or no snow accumulation expected.
Saturday Night
A 30 percent chance of snow showers, mainly before 7pm. Increasing clouds, with a low around 27. West wind 8 to 17 mph becoming south after midnight. Winds could gust as high as 29 mph. New snow accumulation of less than a half inch possible.
Sunday
Snow showers. Some thunder is also possible. High near 37. South wind 9 to 16 mph, with gusts as high as 29 mph. Chance of precipitation is 90%. New snow accumulation of 2 to 4 inches possible.
Sunday Night
Snow showers likely, mainly before midnight. Mostly cloudy, with a low around 25. West southwest wind 14 to 16 mph, with gusts as high as 29 mph. Chance of precipitation is 60%. New snow accumulation of 1 to 2 inches possible.
Monday
Snow showers. High near 31. Chance of precipitation is 80%. New snow accumulation of 2 to 4 inches possible.
Monday Night
A 40 percent chance of snow showers, mainly before midnight. Mostly cloudy, with a low around 24. New snow accumulation of around an inch possible.
Tuesday
Partly sunny, with a high near 34.
Tuesday Night
A chance of snow after midnight. Mostly cloudy, with a low around 25. Breezy.
Wednesday
Snow. Mostly cloudy, with a high near 31. Breezy.
Wednesday Night
Snow. Mostly cloudy, with a low around 18. Breezy.
Thursday
Snow likely. Partly sunny, with a high near 24.
Thursday Night
A slight chance of snow. Partly cloudy, with a low around 13.
Friday
A slight chance of snow. Mostly sunny, with a high near 28.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
25 Miles SW Salmon ID
 44.88°N 114.21°W (Elev. 8983 ft)
Last Update:
2:01 am MDT Apr 11, 2026
Forecast Valid:
2am MDT Apr 11, 2026-6pm MDT Apr 17, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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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