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.

Partly Cloudy

46°F

8°C

Humidity 87%
Wind Speed N 0 MPH
Barometer 29.78 in (1008.47 mb)
Dewpoint 43°F (6°C)
Visibility 10.00 mi
Last update 11 Apr 02:05 AM MDT
Extended Forecast for

27 Miles SSW Shoup ID

  • Overnight

    Overnight: A 40 percent chance of showers, mainly before 4am. Mostly cloudy, with a low around 35. West southwest wind 6 to 9 mph.

    Low: 35 °F

    Chance
    Showers

  • Saturday

    Saturday: Rain, possibly mixed with snow showers. Some thunder is also possible. Snow level 8500 feet lowering to 7800 feet in the afternoon . High near 46. West southwest wind 6 to 16 mph, with gusts as high as 31 mph. Chance of precipitation is 80%. Little or no snow accumulation expected.

    High: 46 °F

    Chance
    Rain/Snow
    then
    Rain/Snow

  • Saturday Night

    Saturday Night: A chance of rain and snow showers, mainly before 7pm. Partly cloudy, with a low around 30. West southwest wind 5 to 14 mph becoming southeast after midnight. Winds could gust as high as 23 mph. Chance of precipitation is 30%. Little or no snow accumulation expected.

    Low: 30 °F

    Chance
    Rain/Snow
    then Partly
    Cloudy

  • Sunday

    Sunday: Snow showers, mainly after noon. Some thunder is also possible. High near 42. West southwest wind 5 to 10 mph becoming south southeast in the morning. Winds could gust as high as 18 mph. Chance of precipitation is 90%. New snow accumulation of less than a half inch possible.

    High: 42 °F

    Chance Snow
    Showers then
    Snow Showers

  • Sunday Night

    Sunday Night: Snow showers likely, mainly before midnight. Mostly cloudy, with a low around 29. Southwest wind 9 to 13 mph, with gusts as high as 21 mph. Chance of precipitation is 60%. New snow accumulation of less than one inch possible.

    Low: 29 °F

    Snow Showers
    Likely

  • Monday

    Monday: Snow showers. Some thunder is also possible. High near 37. Chance of precipitation is 80%. New snow accumulation of 1 to 2 inches possible.

    High: 37 °F

    Snow Showers

  • Monday Night

    Monday Night: A 50 percent chance of snow showers. Mostly cloudy, with a low around 28. New snow accumulation of less than a half inch possible.

    Low: 28 °F

    Chance Snow
    Showers

  • Tuesday

    Tuesday: A slight chance of snow showers before noon. Partly sunny, with a high near 40.

    High: 40 °F

    Slight Chance
    Snow Showers
    then Partly
    Sunny

  • Tuesday Night

    Tuesday Night: A chance of snow after midnight. Mostly cloudy, with a low around 28.

    Low: 28 °F

    Partly Cloudy
    then Chance
    Snow

Detailed Forecast

Overnight
A 40 percent chance of showers, mainly before 4am. Mostly cloudy, with a low around 35. West southwest wind 6 to 9 mph.
Saturday
Rain, possibly mixed with snow showers. Some thunder is also possible. Snow level 8500 feet lowering to 7800 feet in the afternoon . High near 46. West southwest wind 6 to 16 mph, with gusts as high as 31 mph. Chance of precipitation is 80%. Little or no snow accumulation expected.
Saturday Night
A chance of rain and snow showers, mainly before 7pm. Partly cloudy, with a low around 30. West southwest wind 5 to 14 mph becoming southeast after midnight. Winds could gust as high as 23 mph. Chance of precipitation is 30%. Little or no snow accumulation expected.
Sunday
Snow showers, mainly after noon. Some thunder is also possible. High near 42. West southwest wind 5 to 10 mph becoming south southeast in the morning. Winds could gust as high as 18 mph. Chance of precipitation is 90%. New snow accumulation of less than a half inch possible.
Sunday Night
Snow showers likely, mainly before midnight. Mostly cloudy, with a low around 29. Southwest wind 9 to 13 mph, with gusts as high as 21 mph. Chance of precipitation is 60%. New snow accumulation of less than one inch possible.
Monday
Snow showers. Some thunder is also possible. High near 37. Chance of precipitation is 80%. New snow accumulation of 1 to 2 inches possible.
Monday Night
A 50 percent chance of snow showers. Mostly cloudy, with a low around 28. New snow accumulation of less than a half inch possible.
Tuesday
A slight chance of snow showers before noon. Partly sunny, with a high near 40.
Tuesday Night
A chance of snow after midnight. Mostly cloudy, with a low around 28.
Wednesday
Snow. Mostly cloudy, with a high near 36.
Wednesday Night
Snow. Mostly cloudy, with a low around 21.
Thursday
Snow likely. Mostly cloudy, with a high near 30.
Thursday Night
A slight chance of snow. Partly cloudy, with a low around 16.
Friday
A slight chance of snow. Mostly sunny, with a high near 35.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
27 Miles SSW Shoup ID
 45°N 114.44°W (Elev. 7595 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

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation