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

34°F

1°C

Humidity 59%
Wind Speed N 0 MPH
Barometer 30.12 in (1019.98 mb)
Dewpoint 21°F (-6°C)
Visibility 10.00 mi
Last update 19 Apr 01:05 AM MDT
Extended Forecast for

8 Miles SSE Salmon ID

  • Overnight

    Overnight: Mostly clear, with a low around 30. Southwest wind around 9 mph.

    Low: 30 °F

    Mostly Clear

  • Sunday

    Sunday: Mostly sunny, with a high near 54. West southwest wind 6 to 9 mph becoming north northwest in the morning.

    High: 54 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 39. South wind 9 to 11 mph.

    Low: 39 °F

    Mostly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 61. South wind 7 to 11 mph.

    High: 61 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 40. South southeast wind 9 to 15 mph, with gusts as high as 18 mph.

    Low: 40 °F

    Mostly Clear

  • 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 and snow before noon, then snow showers. Some thunder is also possible. Mostly cloudy, with a high near 47.

    High: 47 °F

    Chance
    Rain/Snow
    then Snow
    Showers

  • Wednesday Night

    Wednesday Night: Rain and snow showers likely before midnight, then rain and snow likely. Some thunder is also possible. Mostly cloudy, with a low around 33.

    Low: 33 °F

    Rain/Snow
    Likely

Detailed Forecast

Overnight
Mostly clear, with a low around 30. Southwest wind around 9 mph.
Sunday
Mostly sunny, with a high near 54. West southwest wind 6 to 9 mph becoming north northwest in the morning.
Sunday Night
Mostly cloudy, with a low around 39. South wind 9 to 11 mph.
Monday
Mostly sunny, with a high near 61. South wind 7 to 11 mph.
Monday Night
Mostly clear, with a low around 40. South southeast wind 9 to 15 mph, with gusts as high as 18 mph.
Tuesday
Mostly sunny, with a high near 63. Breezy.
Tuesday Night
Partly cloudy, with a low around 41.
Wednesday
A chance of rain and snow before noon, then snow showers. Some thunder is also possible. Mostly cloudy, with a high near 47.
Wednesday Night
Rain and snow showers likely before midnight, then rain and snow likely. Some thunder is also possible. Mostly cloudy, with a low around 33.
Thursday
Rain and snow likely, mainly before noon. Mostly cloudy, with a high near 38.
Thursday Night
A chance of rain and snow. Mostly cloudy, with a low around 24.
Friday
A slight chance of snow. Mostly sunny, with a high near 37.
Friday Night
Partly cloudy, with a low around 25.
Saturday
Mostly sunny, with a high near 41.
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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:
12:21 am MDT Apr 19, 2026
Forecast Valid:
1am MDT Apr 19, 2026-6pm MDT Apr 25, 2026
 
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Additional Resources

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Chance of Precipitation