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.

Overcast

54°F

12°C

Humidity 66%
Wind Speed N 6 MPH
Barometer 29.73 in (1006.77 mb)
Dewpoint 43°F (6°C)
Visibility 10.00 mi
Last update 11 Apr 06:00 PM MDT
Extended Forecast for

25 Miles SW Salmon ID

  • Tonight

    Tonight: A 20 percent chance of snow before 8pm.  Partly cloudy, with a low around 27. West wind 8 to 16 mph becoming south after midnight. Winds could gust as high as 28 mph.

    Low: 27 °F

    Slight Chance
    Snow then
    Partly Cloudy

  • Sunday

    Sunday: Snow likely before 3pm, then snow showers after 3pm. Some thunder is also possible.  High near 38. South southeast wind 8 to 17 mph, with gusts as high as 30 mph.  Chance of precipitation is 90%. New snow accumulation of 1 to 3 inches possible.

    High: 38 °F

    Snow Likely
    then Snow
    Showers

  • Sunday Night

    Sunday Night: Snow likely, mainly before midnight.  Mostly cloudy, with a low around 23. West southwest wind 14 to 17 mph, with gusts as high as 29 mph.  Chance of precipitation is 60%. New snow accumulation of 1 to 3 inches possible.

    Low: 23 °F

    Snow Likely

  • Monday

    Monday: Snow likely.  Mostly cloudy, with a high near 31. Southwest wind 14 to 17 mph, with gusts as high as 31 mph.  Chance of precipitation is 70%. New snow accumulation of 1 to 3 inches possible.

    High: 31 °F

    Snow Likely

  • Monday Night

    Monday Night: A 30 percent chance of snow before midnight.  Mostly cloudy, with a low around 24. West wind 10 to 17 mph, with gusts as high as 29 mph.  New snow accumulation of less than a half inch possible.

    Low: 24 °F

    Chance Snow
    then Mostly
    Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 35.

    High: 35 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: A 30 percent chance of snow after midnight.  Mostly cloudy, with a low around 26. Breezy.  New snow accumulation of less than a half inch possible.

    Low: 26 °F

    Partly Cloudy
    and Breezy
    then Chance
    Snow

  • Wednesday

    Wednesday: Snow.  Cloudy, with a high near 31. Breezy.

    High: 31 °F

    Snow and
    Breezy

  • Wednesday Night

    Wednesday Night: Snow.  Cloudy, with a low around 18. Breezy.

    Low: 18 °F

    Snow and
    Breezy

Detailed Forecast

Tonight
A 20 percent chance of snow before 8pm. Partly cloudy, with a low around 27. West wind 8 to 16 mph becoming south after midnight. Winds could gust as high as 28 mph.
Sunday
Snow likely before 3pm, then snow showers after 3pm. Some thunder is also possible. High near 38. South southeast wind 8 to 17 mph, with gusts as high as 30 mph. Chance of precipitation is 90%. New snow accumulation of 1 to 3 inches possible.
Sunday Night
Snow likely, mainly before midnight. Mostly cloudy, with a low around 23. West southwest wind 14 to 17 mph, with gusts as high as 29 mph. Chance of precipitation is 60%. New snow accumulation of 1 to 3 inches possible.
Monday
Snow likely. Mostly cloudy, with a high near 31. Southwest wind 14 to 17 mph, with gusts as high as 31 mph. Chance of precipitation is 70%. New snow accumulation of 1 to 3 inches possible.
Monday Night
A 30 percent chance of snow before midnight. Mostly cloudy, with a low around 24. West wind 10 to 17 mph, with gusts as high as 29 mph. New snow accumulation of less than a half inch possible.
Tuesday
Partly sunny, with a high near 35.
Tuesday Night
A 30 percent chance of snow after midnight. Mostly cloudy, with a low around 26. Breezy. New snow accumulation of less than a half inch possible.
Wednesday
Snow. Cloudy, with a high near 31. Breezy.
Wednesday Night
Snow. Cloudy, with a low around 18. Breezy.
Thursday
Snow likely. Mostly cloudy, with a high near 21.
Thursday Night
A slight chance of snow. Mostly cloudy, with a low around 12.
Friday
A slight chance of snow. Mostly sunny, with a high near 27.
Friday Night
Partly cloudy, with a low around 16.
Saturday
Mostly sunny, with a high near 36.
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ABOUT THIS FORECAST

 
Point Forecast:
25 Miles SW Salmon ID
 44.88°N 114.21°W (Elev. 8983 ft)
2:00 pm MDT Apr 11, 2026
6pm MDT Apr 11, 2026-6pm MDT Apr 18, 2026
 
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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