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

Heat Wave Continues in the West; Critical Fire Weather Conditions in the High Plains

An anomalously early heat wave will continue to intensify and expand across the West and Southwest as the week progresses. Numerous daily and potentially monthly record highs are expected to be broken. Critical fire weather conditions will continue over the next couple of days across portions of the High Plains as gusty winds and dry conditions persist. 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 40%
Wind Speed S 4 MPH
Barometer 30.12 in (1019.98 mb)
Dewpoint 30°F (-1°C)
Visibility 10.00 mi
Last update 17 Mar 08:35 PM MDT
Extended Forecast for

25 Miles SW Salmon ID

  • Tonight

    Tonight: Mostly clear, with a low around 33. West wind 15 to 17 mph, with gusts as high as 28 mph.

    Low: 33 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 46. West wind 17 to 21 mph, with gusts as high as 38 mph.

    High: 46 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 34. West southwest wind 15 to 18 mph, with gusts as high as 34 mph.

    Low: 34 °F

    Partly Cloudy

  • Thursday

    Thursday: Sunny, with a high near 50. West southwest wind 15 to 20 mph, with gusts as high as 36 mph.

    High: 50 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 36. Southwest wind 16 to 20 mph, with gusts as high as 36 mph.

    Low: 36 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 53.

    High: 53 °F

    Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 36.

    Low: 36 °F

    Partly Cloudy

  • Saturday

    Saturday: A chance of rain and snow before 9am, then a chance of snow. Partly sunny, with a high near 45.

    High: 45 °F

    Chance
    Rain/Snow
    then Chance
    Snow

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 24.

    Low: 24 °F

    Partly Cloudy

Detailed Forecast

Tonight
Mostly clear, with a low around 33. West wind 15 to 17 mph, with gusts as high as 28 mph.
Wednesday
Sunny, with a high near 46. West wind 17 to 21 mph, with gusts as high as 38 mph.
Wednesday Night
Partly cloudy, with a low around 34. West southwest wind 15 to 18 mph, with gusts as high as 34 mph.
Thursday
Sunny, with a high near 50. West southwest wind 15 to 20 mph, with gusts as high as 36 mph.
Thursday Night
Mostly clear, with a low around 36. Southwest wind 16 to 20 mph, with gusts as high as 36 mph.
Friday
Sunny, with a high near 53.
Friday Night
Partly cloudy, with a low around 36.
Saturday
A chance of rain and snow before 9am, then a chance of snow. Partly sunny, with a high near 45.
Saturday Night
Partly cloudy, with a low around 24.
Sunday
Mostly sunny, with a high near 39.
Sunday Night
Partly cloudy, with a low around 25.
Monday
Partly sunny, with a high near 42.
Monday Night
A chance of snow. Mostly cloudy, with a low around 30.
Tuesday
A chance of snow. Mostly cloudy, with a high near 40. Breezy.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
25 Miles SW Salmon ID
 44.88°N 114.21°W (Elev. 8983 ft)
Last Update:
2:11 pm MDT Mar 17, 2026
Forecast Valid:
8pm MDT Mar 17, 2026-6pm MDT Mar 24, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation