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 >

Hazardous Weather Conditions

Current conditions at

Salmon, Lemhi County Airport (KSMN)

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

Overcast

35°F

2°C

Humidity 72%
Wind Speed S 5 MPH
Barometer 29.37 in (994.58 mb)
Dewpoint 27°F (-3°C)
Visibility 10.00 mi
Wind Chill31°F (-1°C)
Last update 17 Feb 08:56 AM MST
Extended Forecast for

22 Miles NW Challis ID

Winter Weather Advisory until February 17, 05:00pm
Click here for hazard details and duration
Winter Weather Advisory
  •  
    Winter Weather Advisory until February 17, 05:00pm

    NOW until 5:00pm Tue

    Winter Weather Advisory

  • Today

    High: 24 °F

    Chance Snow
    and Patchy
    Blowing Snow

  • Tonight

    Tonight: Snow likely, mainly after 3am. Mostly cloudy, with a low around 13. South wind 6 to 10 mph. Chance of precipitation is 60%. New snow accumulation of less than one inch possible.

    Low: 13 °F

    Snow Likely

  • Wednesday

    Wednesday: Snow. High near 19. South southwest wind 6 to 13 mph becoming west northwest in the afternoon. Winds could gust as high as 22 mph. Chance of precipitation is 90%. New snow accumulation of 1 to 3 inches possible.

    High: 19 °F

    Snow

  • Wednesday Night

    Wednesday Night: A 50 percent chance of snow, mainly before 11pm. Mostly cloudy, with a low around 5. Wind chill values as low as -3. West southwest wind 6 to 11 mph, with gusts as high as 22 mph. New snow accumulation of less than one inch possible.

    Low: 5 °F

    Chance Snow
    then Slight
    Chance Snow

  • Thursday

    Thursday: A 40 percent chance of snow, mainly after 11am. Partly sunny, with a high near 19. Southwest wind 5 to 10 mph, with gusts as high as 18 mph. New snow accumulation of less than a half inch possible.

    High: 19 °F

    Chance Snow

  • Thursday Night

    Thursday Night: A 30 percent chance of snow. Mostly cloudy, with a low around 6. New snow accumulation of less than a half inch possible.

    Low: 6 °F

    Chance Snow

  • Friday

    Friday: A 40 percent chance of snow. Partly sunny, with a high near 18. Little or no snow accumulation expected.

    High: 18 °F

    Chance Snow

  • Friday Night

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

    Low: 4 °F

    Partly Cloudy

Detailed Forecast

Today
A chance of snow between 3pm and 5pm. Patchy blowing snow between 11am and 3pm. Mostly sunny, with a high near 24. Southwest wind 17 to 20 mph, with gusts as high as 32 mph. Chance of precipitation is 30%. Total daytime snow accumulation of 1 to 2 inches possible.
Tonight
Snow likely, mainly after 3am. Mostly cloudy, with a low around 13. South wind 6 to 10 mph. Chance of precipitation is 60%. New snow accumulation of less than one inch possible.
Wednesday
Snow. High near 19. South southwest wind 6 to 13 mph becoming west northwest in the afternoon. Winds could gust as high as 22 mph. Chance of precipitation is 90%. New snow accumulation of 1 to 3 inches possible.
Wednesday Night
A 50 percent chance of snow, mainly before 11pm. Mostly cloudy, with a low around 5. Wind chill values as low as -3. West southwest wind 6 to 11 mph, with gusts as high as 22 mph. New snow accumulation of less than one inch possible.
Thursday
A 40 percent chance of snow, mainly after 11am. Partly sunny, with a high near 19. Southwest wind 5 to 10 mph, with gusts as high as 18 mph. New snow accumulation of less than a half inch possible.
Thursday Night
A 30 percent chance of snow. Mostly cloudy, with a low around 6. New snow accumulation of less than a half inch possible.
Friday
A 40 percent chance of snow. Partly sunny, with a high near 18. Little or no snow accumulation expected.
Friday Night
Partly cloudy, with a low around 4.
Saturday
A slight chance of snow after 11am. Mostly sunny, with a high near 25.
Saturday Night
Mostly cloudy, with a low around 13.
Sunday
A slight chance of snow. Partly sunny, with a high near 33.
Sunday Night
A chance of snow. Mostly cloudy, with a low around 22.
Monday
Snow likely. Mostly cloudy, with a high near 35.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
22 Miles NW Challis ID
 44.69°N 114.59°W (Elev. 7575 ft)
Last Update:
1:01 am MST Feb 17, 2026
Forecast Valid:
9am MST Feb 17, 2026-6pm MST Feb 23, 2026
 
Forecast Discussion
 
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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

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation