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.

unknown precip,freezing fog

28°F

-2°C

Humidity 100%
Wind Speed N 0 MPH
Barometer 29.4 in (995.6 mb)
Dewpoint 28°F (-2°C)
Visibility 0.50 mi
Last update 18 Feb 08:39 AM MST
Extended Forecast for

22 Miles NW Challis ID

  • Today

    Today: Snow, mainly before 5pm.  High near 19. Wind chill values as low as zero. West northwest wind 8 to 13 mph, with gusts as high as 22 mph.  Chance of precipitation is 80%. Total daytime snow accumulation of 1 to 3 inches possible.

    High: 19 °F

    Chance Snow
    then Snow

  • Tonight

    Tonight: A 30 percent chance of snow, mainly before 11pm.  Mostly cloudy, with a low around 4. Wind chill values as low as -5. West wind 6 to 11 mph, with gusts as high as 22 mph.  New snow accumulation of less than one inch possible.

    Low: 4 °F

    Chance Snow

  • Thursday

    Thursday: A 30 percent chance of snow, mainly after 11am.  Mostly sunny, with a high near 18. Wind chill values as low as -5. South southwest wind 5 to 7 mph.  Little or no snow accumulation expected.

    High: 18 °F

    Chance Snow

  • Thursday Night

    Thursday Night: A 20 percent chance of snow before 11pm.  Mostly cloudy, with a low around 2. South southwest wind 3 to 6 mph.

    Low: 2 °F

    Slight Chance
    Snow then
    Partly Cloudy

  • Friday

    Friday: A 30 percent chance of snow, mainly after 11am.  Partly sunny, with a high near 19. Light southwest wind becoming west 5 to 10 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.

    Low: 3 °F

    Partly Cloudy

  • Saturday

    Saturday: Sunny, with a high near 27.

    High: 27 °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

Detailed Forecast

Today
Snow, mainly before 5pm. High near 19. Wind chill values as low as zero. West northwest wind 8 to 13 mph, with gusts as high as 22 mph. Chance of precipitation is 80%. Total daytime snow accumulation of 1 to 3 inches possible.
Tonight
A 30 percent chance of snow, mainly before 11pm. Mostly cloudy, with a low around 4. Wind chill values as low as -5. West wind 6 to 11 mph, with gusts as high as 22 mph. New snow accumulation of less than one inch possible.
Thursday
A 30 percent chance of snow, mainly after 11am. Mostly sunny, with a high near 18. Wind chill values as low as -5. South southwest wind 5 to 7 mph. Little or no snow accumulation expected.
Thursday Night
A 20 percent chance of snow before 11pm. Mostly cloudy, with a low around 2. South southwest wind 3 to 6 mph.
Friday
A 30 percent chance of snow, mainly after 11am. Partly sunny, with a high near 19. Light southwest wind becoming west 5 to 10 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.
Saturday
Sunny, with a high near 27.
Saturday Night
Mostly cloudy, with a low around 11.
Sunday
Mostly sunny, with a high near 33.
Sunday Night
A chance of snow, mainly after 11pm. Partly cloudy, with a low around 20.
Monday
Snow likely. Mostly cloudy, with a high near 34.
Monday Night
Snow. Mostly cloudy, with a low around 22.
Tuesday
Snow. Mostly cloudy, with a high near 30.
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ABOUT THIS FORECAST

 
Point Forecast:
22 Miles NW Challis ID
 44.69°N 114.59°W (Elev. 7575 ft)
2:21 am MST Feb 18, 2026
8am MST Feb 18, 2026-6pm MST Feb 24, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database