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

Gusty winds and low relative humidity will bring critical fire weather to the central/southern High Plains and portions of the Midwest. Two Pacific storms will continue to bring heavy mountain snow and gusty winds to the western U.S. through Thursday. A swath of wintry weather, including heavy snow and a wintry mix, is expected from the Northern Plains to New England. Read More >

Current conditions at

Salmon, Lemhi County Airport (KSMN)

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

Overcast

32°F

0°C

Humidity 59%
Wind Speed N 8 MPH
Barometer 29.58 in (1001.69 mb)
Dewpoint 19°F (-7°C)
Visibility 10.00 mi
Wind Chill25°F (-4°C)
Last update 18 Feb 06:05 PM MST
Extended Forecast for

22 Miles NW Challis ID

  • Tonight

    Tonight: A 50 percent chance of snow, mainly before 9pm.  Cloudy, then gradually becoming partly cloudy, with a low around 2. Wind chill values as low as -7. West wind 6 to 11 mph, with gusts as high as 22 mph.  Total nighttime snow accumulation of less than one inch possible.

    Low: 2 °F

    Chance Snow
    then Slight
    Chance Snow

  • Thursday

    Thursday: A 20 percent chance of snow after 4pm.  Mostly sunny, with a high near 19. Wind chill values as low as -8. South southwest wind around 6 mph.

    High: 19 °F

    Sunny then
    Slight Chance
    Snow

  • Thursday Night

    Thursday Night: A 20 percent chance of snow before 11pm.  Mostly cloudy, with a low around 3. Wind chill values as low as -4. South southeast wind around 5 mph becoming calm  in the evening.

    Low: 3 °F

    Slight Chance
    Snow then
    Partly Cloudy

  • Friday

    Friday: A 40 percent chance of snow, mainly after 11am.  Partly sunny, with a high near 19. Wind chill values as low as -4. Light southwest wind becoming west 6 to 11 mph in the morning. Winds could gust as high as 18 mph.  Little or no snow accumulation expected.

    High: 19 °F

    Chance Snow

  • Friday Night

    Friday Night: Partly cloudy, with a low around 3. South southwest wind 6 to 10 mph, with gusts as high as 18 mph.

    Low: 3 °F

    Partly Cloudy

  • Saturday

    Saturday: Sunny, with a high near 26.

    High: 26 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 11.

    Low: 11 °F

    Mostly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 33.

    High: 33 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: A slight chance of snow after 11pm.  Partly cloudy, with a low around 21.

    Low: 21 °F

    Slight Chance
    Snow

Detailed Forecast

Tonight
A 50 percent chance of snow, mainly before 9pm. Cloudy, then gradually becoming partly cloudy, with a low around 2. Wind chill values as low as -7. West wind 6 to 11 mph, with gusts as high as 22 mph. Total nighttime snow accumulation of less than one inch possible.
Thursday
A 20 percent chance of snow after 4pm. Mostly sunny, with a high near 19. Wind chill values as low as -8. South southwest wind around 6 mph.
Thursday Night
A 20 percent chance of snow before 11pm. Mostly cloudy, with a low around 3. Wind chill values as low as -4. South southeast wind around 5 mph becoming calm in the evening.
Friday
A 40 percent chance of snow, mainly after 11am. Partly sunny, with a high near 19. Wind chill values as low as -4. Light southwest wind becoming west 6 to 11 mph in the morning. Winds could gust as high as 18 mph. Little or no snow accumulation expected.
Friday Night
Partly cloudy, with a low around 3. South southwest wind 6 to 10 mph, with gusts as high as 18 mph.
Saturday
Sunny, with a high near 26.
Saturday Night
Mostly cloudy, with a low around 11.
Sunday
Mostly sunny, with a high near 33.
Sunday Night
A slight chance of snow after 11pm. Partly cloudy, with a low around 21.
Monday
A chance of snow. Partly sunny, with a high near 36.
Monday Night
Snow likely. Mostly cloudy, with a low around 23.
Tuesday
Snow likely. Mostly cloudy, with a high near 30.
Tuesday Night
A chance of snow. Mostly cloudy, with a low around 19.
Wednesday
Snow likely. Partly sunny, with a high near 29.
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ABOUT THIS FORECAST

 
Point Forecast:
22 Miles NW Challis ID
 44.69°N 114.59°W (Elev. 7575 ft)
1:02 pm MST Feb 18, 2026
6pm MST Feb 18, 2026-6pm MST Feb 25, 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