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

48°F

9°C

Humidity 53%
Wind Speed N 0 MPH
Barometer 29.92 in (1013.21 mb)
Dewpoint 32°F (0°C)
Visibility 10.00 mi
Last update 21 Mar 10:05 AM MDT
Extended Forecast for

28 Miles SSW Shoup ID

  • Today

    Today: A 40 percent chance of rain, mainly before 3pm.  Snow level 8800 feet lowering to 8100 feet in the afternoon . Partly sunny, with a high near 49. Breezy, with a west southwest wind 14 to 22 mph, with gusts as high as 47 mph.

    High: 49 °F

    Chance Rain
    and Breezy

  • Tonight

    Tonight: Mostly clear, with a low around 25. West northwest wind 13 to 18 mph becoming light west southwest  after midnight. Winds could gust as high as 34 mph.

    Low: 25 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 46. Calm wind becoming west southwest 5 to 9 mph in the afternoon.

    High: 46 °F

    Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 30. West southwest wind 5 to 9 mph.

    Low: 30 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 50. Southwest wind 5 to 11 mph, with gusts as high as 21 mph.

    High: 50 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 35.

    Low: 35 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: A chance of rain and snow before noon, then a chance of rain.  Snow level 7600 feet rising to 8700 feet in the afternoon. Mostly cloudy, with a high near 48. Chance of precipitation is 50%. Little or no snow accumulation expected.

    High: 48 °F

    Chance
    Rain/Snow
    then Chance
    Rain

  • Tuesday Night

    Tuesday Night: A chance of rain.  Snow level 8700 feet. Mostly cloudy, with a low around 38.

    Low: 38 °F

    Chance Rain

  • Wednesday

    Wednesday: A chance of rain before 9am, then a chance of rain and snow between 9am and 3pm, then a chance of snow after 3pm.  Snow level 8000 feet lowering to 7400 feet in the afternoon . Partly sunny, with a high near 47.

    High: 47 °F

    Chance
    Rain/Snow

Detailed Forecast

Today
A 40 percent chance of rain, mainly before 3pm. Snow level 8800 feet lowering to 8100 feet in the afternoon . Partly sunny, with a high near 49. Breezy, with a west southwest wind 14 to 22 mph, with gusts as high as 47 mph.
Tonight
Mostly clear, with a low around 25. West northwest wind 13 to 18 mph becoming light west southwest after midnight. Winds could gust as high as 34 mph.
Sunday
Sunny, with a high near 46. Calm wind becoming west southwest 5 to 9 mph in the afternoon.
Sunday Night
Partly cloudy, with a low around 30. West southwest wind 5 to 9 mph.
Monday
Mostly sunny, with a high near 50. Southwest wind 5 to 11 mph, with gusts as high as 21 mph.
Monday Night
Mostly cloudy, with a low around 35.
Tuesday
A chance of rain and snow before noon, then a chance of rain. Snow level 7600 feet rising to 8700 feet in the afternoon. Mostly cloudy, with a high near 48. Chance of precipitation is 50%. Little or no snow accumulation expected.
Tuesday Night
A chance of rain. Snow level 8700 feet. Mostly cloudy, with a low around 38.
Wednesday
A chance of rain before 9am, then a chance of rain and snow between 9am and 3pm, then a chance of snow after 3pm. Snow level 8000 feet lowering to 7400 feet in the afternoon . Partly sunny, with a high near 47.
Wednesday Night
A chance of snow, mainly before midnight. Mostly cloudy, with a low around 26.
Thursday
Mostly sunny, with a high near 41.
Thursday Night
Partly cloudy, with a low around 23.
Friday
Mostly sunny, with a high near 47.
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ABOUT THIS FORECAST

 
Point Forecast:
28 Miles SSW Shoup ID
 45°N 114.5°W (Elev. 7444 ft)
2:01 am MDT Mar 21, 2026
10am 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