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

Showers and Thunderstorms for the Eastern Third of the Country; Fire Weather Concerns; Flooding Issues for the Great Lakes Region

Showers and thunderstorms will continue along and ahead of a cold front for the eastern third of the country. The rainfall for the Great Lakes region could prolong the ongoing flooding. Much cooler weather will filter in behind this cold front along and east of the Rockies. Where the rain is needed, the Southern High Plains, critical fire weather concerns through this weekend. Read More >

Current conditions at

Salmon, Lemhi County Airport (KSMN)

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

Clear

63°F

17°C

Humidity 13%
Wind Speed SSW 12 MPH
Barometer 30.07 in (1018.29 mb)
Dewpoint 12°F (-11°C)
Visibility 10.00 mi
Last update 18 Apr 05:50 PM MDT
Extended Forecast for

8 Miles SSE Salmon ID

  • Tonight

    Tonight: Partly cloudy, with a low around 30. Southwest wind 9 to 11 mph.

    Low: 30 °F

    Partly Cloudy

  • Sunday

    Sunday: Sunny, with a high near 55. Southwest wind 6 to 9 mph becoming north northeast in the morning.

    High: 55 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 38. South wind 9 to 11 mph.

    Low: 38 °F

    Mostly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 60. South wind 7 to 11 mph.

    High: 60 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 41. Southwest wind 9 to 14 mph becoming south southeast after midnight. Winds could gust as high as 20 mph.

    Low: 41 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 63. Breezy.

    High: 63 °F

    Mostly Sunny
    then Mostly
    Sunny and
    Breezy

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 41.

    Low: 41 °F

    Partly Cloudy

  • Wednesday

    Wednesday: A chance of rain before 9am, then rain and snow showers. Some thunder is also possible. Mostly cloudy, with a high near 46.

    High: 46 °F

    Rain/Snow

  • Wednesday Night

    Wednesday Night: Rain and snow likely. Mostly cloudy, with a low around 33.

    Low: 33 °F

    Rain/Snow
    Likely

Detailed Forecast

Tonight
Partly cloudy, with a low around 30. Southwest wind 9 to 11 mph.
Sunday
Sunny, with a high near 55. Southwest wind 6 to 9 mph becoming north northeast in the morning.
Sunday Night
Mostly cloudy, with a low around 38. South wind 9 to 11 mph.
Monday
Mostly sunny, with a high near 60. South wind 7 to 11 mph.
Monday Night
Partly cloudy, with a low around 41. Southwest wind 9 to 14 mph becoming south southeast after midnight. Winds could gust as high as 20 mph.
Tuesday
Mostly sunny, with a high near 63. Breezy.
Tuesday Night
Partly cloudy, with a low around 41.
Wednesday
A chance of rain before 9am, then rain and snow showers. Some thunder is also possible. Mostly cloudy, with a high near 46.
Wednesday Night
Rain and snow likely. Mostly cloudy, with a low around 33.
Thursday
Rain and snow likely, mainly before noon. Mostly cloudy, with a high near 37.
Thursday Night
A chance of rain and snow. Mostly cloudy, with a low around 25.
Friday
A slight chance of snow. Mostly sunny, with a high near 40.
Friday Night
Partly cloudy, with a low around 27.
Saturday
Mostly sunny, with a high near 43.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
8 Miles SSE Salmon ID
 45.06°N 113.85°W (Elev. 7946 ft)
Last Update:
2:01 pm MDT Apr 18, 2026
Forecast Valid:
6pm MDT Apr 18, 2026-6pm MDT Apr 25, 2026
 
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Additional Resources

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Chance of Precipitation