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

Fire Weather Concerns; Record Warmth Spreads

The Plains to the mid-Mississippi Valley continue with warm and dry conditions. Any fires that initiate could spread quickly. The warm temperatures will expand across the Southern Plains into the Southwest where numerous records are expected through the weekend. Meanwhile, a cold front will move southward across the northern Plains and Great Lakes region where some snow will develop this weekend. Read More >

Current conditions at

Salmon, Lemhi County Airport (KSMN)

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

Clear

54°F

12°C

Humidity 23%
Wind Speed SSW 11 MPH
Barometer 30.07 in (1018.29 mb)
Dewpoint 17°F (-8°C)
Visibility 10.00 mi
Last update 27 Feb 05:35 PM MST
Extended Forecast for

25 Miles SW Salmon ID

  • Tonight

    Tonight: Mostly clear, with a low around 20. West wind 14 to 18 mph, with gusts as high as 30 mph.

    Low: 20 °F

    Mostly Clear

  • Saturday

    Saturday: Increasing clouds, with a high near 35. West wind around 14 mph, with gusts as high as 23 mph.

    High: 35 °F

    Increasing
    Clouds

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 25. West southwest wind 10 to 13 mph, with gusts as high as 22 mph.

    Low: 25 °F

    Mostly Cloudy

  • Sunday

    Sunday: A 30 percent chance of snow. Mostly cloudy, with a high near 34. West southwest wind 8 to 10 mph. Little or no snow accumulation expected.

    High: 34 °F

    Chance Snow

  • Sunday Night

    Sunday Night: A 20 percent chance of snow. Mostly cloudy, with a low around 27. West wind 6 to 9 mph.

    Low: 27 °F

    Slight Chance
    Snow

  • Monday

    Monday: A 20 percent chance of snow. Partly sunny, with a high near 34.

    High: 34 °F

    Slight Chance
    Snow

  • Monday Night

    Monday Night: Mostly clear, with a low around 21.

    Low: 21 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 37.

    High: 37 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 27.

    Low: 27 °F

    Mostly Cloudy

Detailed Forecast

Tonight
Mostly clear, with a low around 20. West wind 14 to 18 mph, with gusts as high as 30 mph.
Saturday
Increasing clouds, with a high near 35. West wind around 14 mph, with gusts as high as 23 mph.
Saturday Night
Mostly cloudy, with a low around 25. West southwest wind 10 to 13 mph, with gusts as high as 22 mph.
Sunday
A 30 percent chance of snow. Mostly cloudy, with a high near 34. West southwest wind 8 to 10 mph. Little or no snow accumulation expected.
Sunday Night
A 20 percent chance of snow. Mostly cloudy, with a low around 27. West wind 6 to 9 mph.
Monday
A 20 percent chance of snow. Partly sunny, with a high near 34.
Monday Night
Mostly clear, with a low around 21.
Tuesday
Sunny, with a high near 37.
Tuesday Night
Mostly cloudy, with a low around 27.
Wednesday
A chance of snow, mainly after 11am. Mostly cloudy, with a high near 33.
Wednesday Night
Snow likely. Mostly cloudy, with a low around 22.
Thursday
A chance of snow. Mostly cloudy, with a high near 26.
Thursday Night
Mostly cloudy, with a low around 17.
Friday
A chance of snow. Mostly sunny, with a high near 31.
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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:
1:01 pm MST Feb 27, 2026
Forecast Valid:
5pm MST Feb 27, 2026-6pm MST Mar 6, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation