Critical Fire Weather in the High Plains; Heavy Snow in the Western Mountains and Northern Plains

Gusty winds and low relative humidity will bring critical fire weather to the central and southern High Plains Wednesday. Two Pacific storms will continue impacting the mountains of the western U.S. into Thursday with gusty winds and heavy snow. Heavy snow and gusty winds will continue to impact the northern Plains into the central Great Lakes Wednesday. Read More >

Current conditions at

Salmon, Lemhi County Airport (KSMN)

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

Overcast

28°F

-2°C

Humidity 92%
Wind Speed N 0 MPH
Barometer 29.38 in (994.92 mb)
Dewpoint 27°F (-3°C)
Visibility 10.00 mi
Last update 18 Feb 04:35 AM MST
Extended Forecast for

8 Miles SSE Salmon ID

  • Overnight

    Overnight: A 20 percent chance of snow.  Mostly cloudy, with a low around 17. South wind around 14 mph, with gusts as high as 20 mph.

    Low: 17 °F

    Slight Chance
    Snow

  • Wednesday

    Wednesday: Snow likely, mainly between 11am and 5pm.  Increasing clouds, with a high near 22. South wind 10 to 17 mph becoming northwest in the afternoon. Winds could gust as high as 21 mph.  Chance of precipitation is 60%. New snow accumulation of around an inch possible.

    High: 22 °F

    Chance Snow
    then Snow
    Likely

  • Wednesday Night

    Wednesday Night: A 30 percent chance of snow, mainly before midnight.  Mostly cloudy, with a low around 10. Wind chill values as low as -2. North northwest wind 9 to 17 mph becoming west southwest after midnight. Winds could gust as high as 22 mph.  New snow accumulation of less than a half inch possible.

    Low: 10 °F

    Chance Snow

  • Thursday

    Thursday: Mostly sunny, with a high near 20. Wind chill values as low as -3. West southwest wind around 9 mph.

    High: 20 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 9. South wind 7 to 10 mph.

    Low: 9 °F

    Partly Cloudy

  • Friday

    Friday: Partly sunny, with a high near 21.

    High: 21 °F

    Partly Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 8.

    Low: 8 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 25.

    High: 25 °F

    Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 15.

    Low: 15 °F

    Partly Cloudy

Detailed Forecast

Overnight
A 20 percent chance of snow. Mostly cloudy, with a low around 17. South wind around 14 mph, with gusts as high as 20 mph.
Wednesday
Snow likely, mainly between 11am and 5pm. Increasing clouds, with a high near 22. South wind 10 to 17 mph becoming northwest in the afternoon. Winds could gust as high as 21 mph. Chance of precipitation is 60%. New snow accumulation of around an inch possible.
Wednesday Night
A 30 percent chance of snow, mainly before midnight. Mostly cloudy, with a low around 10. Wind chill values as low as -2. North northwest wind 9 to 17 mph becoming west southwest after midnight. Winds could gust as high as 22 mph. New snow accumulation of less than a half inch possible.
Thursday
Mostly sunny, with a high near 20. Wind chill values as low as -3. West southwest wind around 9 mph.
Thursday Night
Partly cloudy, with a low around 9. South wind 7 to 10 mph.
Friday
Partly sunny, with a high near 21.
Friday Night
Mostly clear, with a low around 8.
Saturday
Sunny, with a high near 25.
Saturday Night
Partly cloudy, with a low around 15.
Sunday
Partly sunny, with a high near 32.
Sunday Night
Partly cloudy, with a low around 22.
Monday
A chance of snow. Mostly sunny, with a high near 36.
Monday Night
A chance of snow. Mostly cloudy, with a low around 26.
Tuesday
A chance of snow. Partly sunny, with a high near 33.
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ABOUT THIS FORECAST

 
Point Forecast:
8 Miles SSE Salmon ID
 45.06°N 113.85°W (Elev. 7946 ft)
2:21 am MST Feb 18, 2026
4am MST Feb 18, 2026-6pm MST Feb 24, 2026
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database