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.

Partly Cloudy

50°F

10°C

Humidity 49%
Wind Speed N 14 MPH
Barometer 30.04 in (1017.27 mb)
Dewpoint 32°F (0°C)
Visibility 10.00 mi
Wind Chill45°F (7°C)
Last update 21 Mar 09:05 PM MDT
Extended Forecast for

31 Miles WNW Challis ID

  • Tonight

    Tonight: Partly cloudy, with a low around 23. West wind 8 to 14 mph.

    Low: 23 °F

    Partly Cloudy

  • Sunday

    Sunday: Sunny, with a high near 39. West wind 6 to 10 mph.

    High: 39 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 30. South southwest wind 8 to 10 mph.

    Low: 30 °F

    Mostly Cloudy

  • Monday

    Monday: Partly sunny, with a high near 43. West southwest wind 8 to 11 mph, with gusts as high as 18 mph.

    High: 43 °F

    Partly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 34. Southwest wind around 14 mph, with gusts as high as 20 mph.

    Low: 34 °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 before 9pm, then a chance of rain and snow.  Mostly cloudy, with a low around 35. Chance of precipitation is 40%. Little or no snow accumulation expected.

    Low: 35 °F

    Chance
    Rain/Snow

  • Wednesday

    Wednesday: A chance of rain and snow, mainly before noon.  Partly sunny, with a high near 41.

    High: 41 °F

    Chance
    Rain/Snow

  • Wednesday Night

    Wednesday Night: A slight chance of rain and snow before 9pm, then a slight chance of snow between 9pm and midnight.  Mostly cloudy, with a low around 28.

    Low: 28 °F

    Slight Chance
    Rain/Snow
    then Mostly
    Cloudy

Detailed Forecast

Tonight
Partly cloudy, with a low around 23. West wind 8 to 14 mph.
Sunday
Sunny, with a high near 39. West wind 6 to 10 mph.
Sunday Night
Mostly cloudy, with a low around 30. South southwest wind 8 to 10 mph.
Monday
Partly sunny, with a high near 43. West southwest wind 8 to 11 mph, with gusts as high as 18 mph.
Monday Night
Mostly cloudy, with a low around 34. Southwest wind around 14 mph, with gusts as high as 20 mph.
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 before 9pm, then a chance of rain and snow. Mostly cloudy, with a low around 35. Chance of precipitation is 40%. Little or no snow accumulation expected.
Wednesday
A chance of rain and snow, mainly before noon. Partly sunny, with a high near 41.
Wednesday Night
A slight chance of rain and snow before 9pm, then a slight chance of snow between 9pm and midnight. Mostly cloudy, with a low around 28.
Thursday
Mostly sunny, with a high near 37.
Thursday Night
Partly cloudy, with a low around 23.
Friday
Mostly sunny, with a high near 43.
Friday Night
Mostly cloudy, with a low around 27.
Saturday
Mostly sunny, with a high near 46.
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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 pm MDT Mar 21, 2026
9pm MDT Mar 21, 2026-6pm MDT Mar 28, 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