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

65°F

18°C

Humidity 30%
Wind Speed N 4 MPH
Barometer 30.16 in (1021.34 mb)
Dewpoint 33°F (1°C)
Visibility 10.00 mi
Last update 20 Mar 12:56 PM MDT
Extended Forecast for

22 Miles NW Challis ID

  • This Afternoon

    This Afternoon: Mostly sunny, with a high near 56. West southwest wind 11 to 13 mph, with gusts as high as 29 mph.

    High: 56 °F

    Mostly Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 40. South wind 7 to 9 mph, with gusts as high as 23 mph.

    Low: 40 °F

    Partly Cloudy

  • Saturday

    Saturday: A 30 percent chance of rain after 4pm.  Increasing clouds, with a high near 49. Breezy, with a west wind 8 to 13 mph increasing to 18 to 23 mph in the afternoon. Winds could gust as high as 43 mph.

    High: 49 °F

    Mostly Sunny
    then Chance
    Rain and
    Breezy

  • Saturday Night

    Saturday Night: A slight chance of rain, mixing with snow after 9pm, then gradually ending.  Partly cloudy, with a low around 26. West wind 15 to 20 mph decreasing to 5 to 10 mph after midnight. Winds could gust as high as 34 mph.  Chance of precipitation is 20%.

    Low: 26 °F

    Slight Chance
    Rain/Snow
    then Partly
    Cloudy

  • Sunday

    Sunday: Sunny, with a high near 45. Calm wind becoming west 5 to 8 mph in the afternoon.

    High: 45 °F

    Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 29.

    Low: 29 °F

    Partly Cloudy

  • Monday

    Monday: Partly sunny, with a high near 47.

    High: 47 °F

    Partly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 33.

    Low: 33 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: A slight chance of rain after noon.  Snow level 7700 feet rising to 8900 feet in the afternoon. Partly sunny, with a high near 48.

    High: 48 °F

    Partly Sunny
    then Slight
    Chance Rain

Detailed Forecast

This Afternoon
Mostly sunny, with a high near 56. West southwest wind 11 to 13 mph, with gusts as high as 29 mph.
Tonight
Partly cloudy, with a low around 40. South wind 7 to 9 mph, with gusts as high as 23 mph.
Saturday
A 30 percent chance of rain after 4pm. Increasing clouds, with a high near 49. Breezy, with a west wind 8 to 13 mph increasing to 18 to 23 mph in the afternoon. Winds could gust as high as 43 mph.
Saturday Night
A slight chance of rain, mixing with snow after 9pm, then gradually ending. Partly cloudy, with a low around 26. West wind 15 to 20 mph decreasing to 5 to 10 mph after midnight. Winds could gust as high as 34 mph. Chance of precipitation is 20%.
Sunday
Sunny, with a high near 45. Calm wind becoming west 5 to 8 mph in the afternoon.
Sunday Night
Partly cloudy, with a low around 29.
Monday
Partly sunny, with a high near 47.
Monday Night
Mostly cloudy, with a low around 33.
Tuesday
A slight chance of rain after noon. Snow level 7700 feet rising to 8900 feet in the afternoon. Partly sunny, with a high near 48.
Tuesday Night
A slight chance of rain. Partly cloudy, with a low around 37.
Wednesday
A slight chance of rain and snow. Snow level 8600 feet lowering to 8000 feet in the afternoon . Mostly sunny, with a high near 48.
Wednesday Night
A slight chance of rain and snow. Partly cloudy, with a low around 25.
Thursday
Sunny, with a high near 39.
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ABOUT THIS FORECAST

 
Point Forecast:
22 Miles NW Challis ID
 44.69°N 114.59°W (Elev. 7575 ft)
12:21 pm MDT Mar 20, 2026
1pm MDT Mar 20, 2026-6pm MDT Mar 26, 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