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

69°F

21°C

Humidity 19%
Wind Speed W 5 MPH
Barometer 30.03 in (1016.93 mb)
Dewpoint 26°F (-3°C)
Visibility 10.00 mi
Last update 20 Mar 07:56 PM MDT
Extended Forecast for

31 Miles WNW Challis ID

  • Tonight

    Tonight: Mostly cloudy, with a low around 39. South wind 14 to 16 mph.

    Low: 39 °F

    Mostly Cloudy

  • Saturday

    Saturday: A 40 percent chance of snow, mainly after 2pm.  Increasing clouds, with a high near 44. Breezy, with a west southwest wind 16 to 24 mph, with gusts as high as 39 mph.  Little or no snow accumulation expected.

    High: 44 °F

    Mostly Sunny
    then Chance
    Snow and
    Breezy

  • Saturday Night

    Saturday Night: A 20 percent chance of snow before midnight.  Partly cloudy, with a low around 24. Breezy, with a west wind 18 to 23 mph decreasing to 9 to 14 mph after midnight. Winds could gust as high as 32 mph.

    Low: 24 °F

    Slight Chance
    Snow and
    Breezy then
    Partly Cloudy

  • Sunday

    Sunday: Sunny, with a high near 40. West wind 6 to 10 mph.

    High: 40 °F

    Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 28. South southwest wind 9 to 14 mph, with gusts as high as 18 mph.

    Low: 28 °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 31.

    Low: 31 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: A slight chance of snow before noon, then a slight chance of rain and snow between noon and 3pm, then a slight chance of rain after 3pm.  Partly sunny, with a high near 44.

    High: 44 °F

    Slight Chance
    Snow then
    Slight Chance
    Rain/Snow

  • Tuesday Night

    Tuesday Night: A slight chance of rain before 3am, then a slight chance of rain and snow.  Snow level 9100 feet. Partly cloudy, with a low around 35.

    Low: 35 °F

    Slight Chance
    Rain then
    Slight Chance
    Rain/Snow

Detailed Forecast

Tonight
Mostly cloudy, with a low around 39. South wind 14 to 16 mph.
Saturday
A 40 percent chance of snow, mainly after 2pm. Increasing clouds, with a high near 44. Breezy, with a west southwest wind 16 to 24 mph, with gusts as high as 39 mph. Little or no snow accumulation expected.
Saturday Night
A 20 percent chance of snow before midnight. Partly cloudy, with a low around 24. Breezy, with a west wind 18 to 23 mph decreasing to 9 to 14 mph after midnight. Winds could gust as high as 32 mph.
Sunday
Sunny, with a high near 40. West wind 6 to 10 mph.
Sunday Night
Partly cloudy, with a low around 28. South southwest wind 9 to 14 mph, with gusts as high as 18 mph.
Monday
Partly sunny, with a high near 42.
Monday Night
Mostly cloudy, with a low around 31.
Tuesday
A slight chance of snow before noon, then a slight chance of rain and snow between noon and 3pm, then a slight chance of rain after 3pm. Partly sunny, with a high near 44.
Tuesday Night
A slight chance of rain before 3am, then a slight chance of rain and snow. Snow level 9100 feet. Partly cloudy, with a low around 35.
Wednesday
A slight chance of rain and snow before 3pm, then a slight chance of snow. Mostly sunny, with a high near 43.
Wednesday Night
A slight chance of snow. Mostly cloudy, with a low around 24.
Thursday
Sunny, with a high near 34.
Thursday Night
Mostly clear, with a low around 20.
Friday
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)
2:41 pm MDT Mar 20, 2026
8pm 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