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

Extremely Critical Fire Weather in the Central Plains; Active Pattern in the West

Gusty to high winds and low relative humidity will bring critical to extremely critical fire weather conditions to the central and southern Plains today into Wednesday. Use caution with any potential ignition sources. Two Pacific storms will impact the western U.S. into Wednesday with gusty winds, low elevation rain and heavy mountain snow. Read More >

Current conditions at

Salmon, Lemhi County Airport (KSMN)

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

Partly Cloudy

41°F

5°C

Humidity 32%
Wind Speed S 16 MPH
Barometer 29.48 in (998.31 mb)
Dewpoint 14°F (-10°C)
Visibility 10.00 mi
Wind Chill33°F (1°C)
Last update 17 Feb 01:35 PM MST
Extended Forecast for

31 Miles WNW Challis ID

  • This Afternoon

    This Afternoon: A 40 percent chance of snow, mainly between 3pm and 5pm. Patchy blowing snow. Mostly sunny, with a high near 18. Wind chill values as low as -1. Breezy, with a southwest wind 20 to 22 mph, with gusts as high as 32 mph. Total daytime snow accumulation of less than one inch possible.

    High: 18 °F

    Chance Snow
    and Patchy
    Blowing Snow

  • Tonight

    Tonight: Snow likely, mainly before 3am. Mostly cloudy, with a low around 9. Wind chill values as low as -4. South wind 13 to 18 mph, with gusts as high as 28 mph. Chance of precipitation is 70%. New snow accumulation of 1 to 2 inches possible.

    Low: 9 °F

    Snow Likely

  • Wednesday

    Wednesday: Snow, mainly after 10am. High near 13. Wind chill values as low as -7. South southwest wind around 14 mph becoming west northwest in the afternoon. Winds could gust as high as 21 mph. Chance of precipitation is 80%. New snow accumulation of 1 to 2 inches possible.

    High: 13 °F

    Snow

  • Wednesday Night

    Wednesday Night: A 50 percent chance of snow, mainly before 11pm. Mostly cloudy, with a low around 4. Wind chill values as low as -11. West wind 10 to 17 mph becoming south southwest after midnight. Winds could gust as high as 22 mph. New snow accumulation of less than one inch possible.

    Low: 4 °F

    Chance Snow
    then Slight
    Chance Snow

  • Thursday

    Thursday: A 40 percent chance of snow after 11am. Partly sunny, with a high near 16. South wind around 10 mph. New snow accumulation of less than a half inch possible.

    High: 16 °F

    Chance Snow

  • Thursday Night

    Thursday Night: A 30 percent chance of snow, mainly before 11pm. Mostly cloudy, with a low around 5. New snow accumulation of less than a half inch possible.

    Low: 5 °F

    Chance Snow

  • Friday

    Friday: A 40 percent chance of snow. Partly sunny, with a high near 14. Little or no snow accumulation expected.

    High: 14 °F

    Chance Snow

  • Friday Night

    Friday Night: Partly cloudy, with a low around 4.

    Low: 4 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 23.

    High: 23 °F

    Mostly Sunny

Detailed Forecast

This Afternoon
A 40 percent chance of snow, mainly between 3pm and 5pm. Patchy blowing snow. Mostly sunny, with a high near 18. Wind chill values as low as -1. Breezy, with a southwest wind 20 to 22 mph, with gusts as high as 32 mph. Total daytime snow accumulation of less than one inch possible.
Tonight
Snow likely, mainly before 3am. Mostly cloudy, with a low around 9. Wind chill values as low as -4. South wind 13 to 18 mph, with gusts as high as 28 mph. Chance of precipitation is 70%. New snow accumulation of 1 to 2 inches possible.
Wednesday
Snow, mainly after 10am. High near 13. Wind chill values as low as -7. South southwest wind around 14 mph becoming west northwest in the afternoon. Winds could gust as high as 21 mph. Chance of precipitation is 80%. New snow accumulation of 1 to 2 inches possible.
Wednesday Night
A 50 percent chance of snow, mainly before 11pm. Mostly cloudy, with a low around 4. Wind chill values as low as -11. West wind 10 to 17 mph becoming south southwest after midnight. Winds could gust as high as 22 mph. New snow accumulation of less than one inch possible.
Thursday
A 40 percent chance of snow after 11am. Partly sunny, with a high near 16. South wind around 10 mph. New snow accumulation of less than a half inch possible.
Thursday Night
A 30 percent chance of snow, mainly before 11pm. Mostly cloudy, with a low around 5. New snow accumulation of less than a half inch possible.
Friday
A 40 percent chance of snow. Partly sunny, with a high near 14. Little or no snow accumulation expected.
Friday Night
Partly cloudy, with a low around 4.
Saturday
Mostly sunny, with a high near 23.
Saturday Night
Mostly cloudy, with a low around 11.
Sunday
A slight chance of snow. Mostly sunny, with a high near 29.
Sunday Night
A chance of snow. Mostly cloudy, with a low around 20.
Monday
Snow likely. Mostly cloudy, with a high near 29.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
31 Miles WNW Challis ID
 44.76°N 114.76°W (Elev. 9058 ft)
Last Update:
1:01 pm MST Feb 17, 2026
Forecast Valid:
1pm MST Feb 17, 2026-6pm MST Feb 23, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation