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

73°F

23°C

Humidity 17%
Wind Speed SW 14 MPH
Barometer 30.04 in (1017.27 mb)
Dewpoint 27°F (-3°C)
Visibility 10.00 mi
Last update 20 Mar 06:35 PM MDT
Extended Forecast for

25 Miles SW Salmon ID

  • Tonight

    Tonight: Mostly cloudy, with a low around 38. West southwest wind 15 to 18 mph, with gusts as high as 39 mph.

    Low: 38 °F

    Mostly Cloudy

  • Saturday

    Saturday: A slight chance of rain and snow before 2pm, then a slight chance of snow between 2pm and 3pm, then a chance of rain and snow after 3pm.  Snow level 9400 feet lowering to 9000 feet in the afternoon . Mostly sunny, with a high near 44. Breezy, with a west southwest wind 16 to 21 mph increasing to 23 to 28 mph in the afternoon. Winds could gust as high as 60 mph.  Chance of precipitation is 30%. Little or no snow accumulation expected.

    High: 44 °F

    Breezy.
    Mostly Sunny
    then Chance
    Rain/Snow

  • Saturday Night

    Saturday Night: A 20 percent chance of snow before midnight.  Partly cloudy, with a low around 24. Blustery, with a west northwest wind 21 to 26 mph decreasing to 10 to 15 mph after midnight. Winds could gust as high as 47 mph.

    Low: 24 °F

    Slight Chance
    Snow and
    Blustery then
    Partly Cloudy

  • Sunday

    Sunday: Sunny, with a high near 40. West southwest wind 8 to 14 mph, with gusts as high as 24 mph.

    High: 40 °F

    Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 27. West wind 10 to 15 mph, with gusts as high as 28 mph.

    Low: 27 °F

    Partly Cloudy

  • Monday

    Monday: Partly sunny, with a high near 42.

    High: 42 °F

    Partly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 30.

    Low: 30 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 44.

    High: 44 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: A slight chance of rain and snow between midnight and 3am, then a slight chance of snow after 3am.  Snow level 9100 feet. Partly cloudy, with a low around 34.

    Low: 34 °F

    Mostly Cloudy
    then Slight
    Chance
    Rain/Snow

Detailed Forecast

Tonight
Mostly cloudy, with a low around 38. West southwest wind 15 to 18 mph, with gusts as high as 39 mph.
Saturday
A slight chance of rain and snow before 2pm, then a slight chance of snow between 2pm and 3pm, then a chance of rain and snow after 3pm. Snow level 9400 feet lowering to 9000 feet in the afternoon . Mostly sunny, with a high near 44. Breezy, with a west southwest wind 16 to 21 mph increasing to 23 to 28 mph in the afternoon. Winds could gust as high as 60 mph. Chance of precipitation is 30%. Little or no snow accumulation expected.
Saturday Night
A 20 percent chance of snow before midnight. Partly cloudy, with a low around 24. Blustery, with a west northwest wind 21 to 26 mph decreasing to 10 to 15 mph after midnight. Winds could gust as high as 47 mph.
Sunday
Sunny, with a high near 40. West southwest wind 8 to 14 mph, with gusts as high as 24 mph.
Sunday Night
Partly cloudy, with a low around 27. West wind 10 to 15 mph, with gusts as high as 28 mph.
Monday
Partly sunny, with a high near 42.
Monday Night
Mostly cloudy, with a low around 30.
Tuesday
Partly sunny, with a high near 44.
Tuesday Night
A slight chance of rain and snow between midnight and 3am, then a slight chance of snow after 3am. Snow level 9100 feet. Partly cloudy, with a low around 34.
Wednesday
A slight chance of snow. Mostly sunny, with a high near 44. Breezy.
Wednesday Night
A slight chance of snow. Partly cloudy, with a low around 22. Breezy.
Thursday
Mostly sunny, with a high near 33.
Thursday Night
Mostly clear, with a low around 19.
Friday
Sunny, with a high near 41.
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ABOUT THIS FORECAST

 
Point Forecast:
25 Miles SW Salmon ID
 44.88°N 114.21°W (Elev. 8983 ft)
2:41 pm MDT Mar 20, 2026
6pm MDT Mar 20, 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