Heat the Southwest; Fire Weather in the Central U.S.; Kona Low Impacting Hawaii

A rare March heat wave is ongoing with much above-normal temperatures over the Southwest U.S. through this weekend. Periods of critical fire weather will persist from the central Rockies to the central and southern Plains through the weekend as gusty winds and low relative humidity continue. A Kona low will continue to bring several rounds of moderate to heavy rainfall to Hawaii through Sunday. Read More >

Current conditions at

Salmon, Lemhi County Airport (KSMN)

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

Clear

39°F

4°C

Humidity 69%
Wind Speed N 0 MPH
Barometer 29.94 in (1013.89 mb)
Dewpoint 30°F (-1°C)
Visibility 10.00 mi
Last update 21 Mar 08:50 AM MDT
Extended Forecast for

31 Miles WNW Challis ID

  • Today

    Today: A chance of snow between noon and 5pm.  Partly sunny, with a high near 43. Breezy, with a west wind 17 to 24 mph, with gusts as high as 39 mph.  Chance of precipitation is 30%. Little or no snow accumulation expected.

    High: 43 °F

    Partly Sunny
    then Chance
    Snow and
    Breezy

  • Tonight

    Tonight: Partly cloudy, with a low around 22. Breezy, with a west wind 18 to 23 mph decreasing to 8 to 13 mph after midnight. Winds could gust as high as 32 mph.

    Low: 22 °F

    Partly Cloudy
    and Breezy
    then Mostly
    Clear

  • Sunday

    Sunday: Sunny, with a high near 40. West southwest wind 6 to 9 mph.

    High: 40 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 28. South southwest wind 9 to 13 mph.

    Low: 28 °F

    Mostly Cloudy

  • Monday

    Monday: Partly sunny, with a high near 43. West southwest wind 9 to 13 mph, with gusts as high as 18 mph.

    High: 43 °F

    Partly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 32.

    Low: 32 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: A 50 percent chance of snow.  Mostly cloudy, with a high near 41. Little or no snow accumulation expected.

    High: 41 °F

    Chance Snow

  • Tuesday Night

    Tuesday Night: A chance of rain and snow.  Mostly cloudy, with a low around 36.

    Low: 36 °F

    Chance
    Rain/Snow

  • Wednesday

    Wednesday: A chance of rain and snow.  Partly sunny, with a high near 40.

    High: 40 °F

    Chance
    Rain/Snow

Detailed Forecast

Today
A chance of snow between noon and 5pm. Partly sunny, with a high near 43. Breezy, with a west wind 17 to 24 mph, with gusts as high as 39 mph. Chance of precipitation is 30%. Little or no snow accumulation expected.
Tonight
Partly cloudy, with a low around 22. Breezy, with a west wind 18 to 23 mph decreasing to 8 to 13 mph after midnight. Winds could gust as high as 32 mph.
Sunday
Sunny, with a high near 40. West southwest wind 6 to 9 mph.
Sunday Night
Mostly cloudy, with a low around 28. South southwest wind 9 to 13 mph.
Monday
Partly sunny, with a high near 43. West southwest wind 9 to 13 mph, with gusts as high as 18 mph.
Monday Night
Mostly cloudy, with a low around 32.
Tuesday
A 50 percent chance of snow. Mostly cloudy, with a high near 41. Little or no snow accumulation expected.
Tuesday Night
A chance of rain and snow. Mostly cloudy, with a low around 36.
Wednesday
A chance of rain and snow. Partly sunny, with a high near 40.
Wednesday Night
A chance of rain and snow before 9pm, then a chance of snow. Mostly cloudy, with a low around 25.
Thursday
Mostly sunny, with a high near 35.
Thursday Night
Partly cloudy, with a low around 22.
Friday
Mostly sunny, with a high near 41.
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ABOUT THIS FORECAST

 
Point Forecast:
31 Miles WNW Challis ID
 44.76°N 114.76°W (Elev. 9058 ft)
2:01 am MDT Mar 21, 2026
9am MDT Mar 21, 2026-6pm MDT Mar 27, 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