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

37°F

3°C

Humidity 95%
Wind Speed WNW 3 MPH
Barometer 29.77 in (1008.13 mb)
Dewpoint 36°F (2°C)
Visibility 10.00 mi
Last update 12 Apr 02:56 AM MDT
Extended Forecast for

8 Miles SSE Salmon ID

  • Overnight

    Overnight: Partly cloudy, with a low around 34. South wind around 6 mph.

    Low: 34 °F

    Partly Cloudy

  • Sunday

    Sunday: Snow showers likely before 2pm, then rain and snow showers likely between 2pm and 3pm, then snow showers after 3pm. Some thunder is also possible.  High near 45. South wind 6 to 13 mph.  Chance of precipitation is 90%. Little or no snow accumulation expected.

    High: 45 °F

    Chance Snow
    Showers then
    Rain/Snow

  • Sunday Night

    Sunday Night: Snow showers likely, mainly before 8pm. Some thunder is also possible.  Mostly cloudy, with a low around 31. South southwest wind 11 to 14 mph.  Chance of precipitation is 70%. New snow accumulation of less than a half inch possible.

    Low: 31 °F

    Snow Showers
    Likely then
    Chance Snow
    Showers

  • Monday

    Monday: Snow showers likely.  Mostly cloudy, with a high near 37. South southwest wind 11 to 14 mph.  Chance of precipitation is 70%. New snow accumulation of around an inch possible.

    High: 37 °F

    Snow Showers
    Likely

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 32. West northwest wind 6 to 14 mph.

    Low: 32 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 42.

    High: 42 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: A 20 percent chance of snow showers after midnight.  Mostly cloudy, with a low around 34.

    Low: 34 °F

    Partly Cloudy
    then Slight
    Chance Snow
    Showers

  • Wednesday

    Wednesday: Snow showers.  Mostly cloudy, with a high near 38. Breezy.

    High: 38 °F

    Snow Showers
    and Breezy

  • Wednesday Night

    Wednesday Night: Rain and snow, becoming all snow after midnight.  Mostly cloudy, with a low around 23.

    Low: 23 °F

    Rain/Snow
    then Snow
    Likely

Detailed Forecast

Overnight
Partly cloudy, with a low around 34. South wind around 6 mph.
Sunday
Snow showers likely before 2pm, then rain and snow showers likely between 2pm and 3pm, then snow showers after 3pm. Some thunder is also possible. High near 45. South wind 6 to 13 mph. Chance of precipitation is 90%. Little or no snow accumulation expected.
Sunday Night
Snow showers likely, mainly before 8pm. Some thunder is also possible. Mostly cloudy, with a low around 31. South southwest wind 11 to 14 mph. Chance of precipitation is 70%. New snow accumulation of less than a half inch possible.
Monday
Snow showers likely. Mostly cloudy, with a high near 37. South southwest wind 11 to 14 mph. Chance of precipitation is 70%. New snow accumulation of around an inch possible.
Monday Night
Mostly cloudy, with a low around 32. West northwest wind 6 to 14 mph.
Tuesday
Partly sunny, with a high near 42.
Tuesday Night
A 20 percent chance of snow showers after midnight. Mostly cloudy, with a low around 34.
Wednesday
Snow showers. Mostly cloudy, with a high near 38. Breezy.
Wednesday Night
Rain and snow, becoming all snow after midnight. Mostly cloudy, with a low around 23.
Thursday
Snow likely. Mostly cloudy, with a high near 27.
Thursday Night
A slight chance of snow. Mostly cloudy, with a low around 18.
Friday
Mostly sunny, with a high near 33.
Friday Night
Partly cloudy, with a low around 21.
Saturday
Mostly sunny, with a high near 41.
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ABOUT THIS FORECAST

 
Point Forecast:
8 Miles SSE Salmon ID
 45.06°N 113.85°W (Elev. 7946 ft)
2:01 am MDT Apr 12, 2026
3am MDT Apr 12, 2026-6pm MDT Apr 18, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database