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

27 Miles SSW Shoup ID

  • This Afternoon

    This Afternoon: Mostly sunny, with a high near 59. West southwest wind around 18 mph, with gusts as high as 34 mph.

    High: 59 °F

    Mostly Sunny

  • Tonight

    Tonight: Mostly cloudy, with a low around 40. Southwest wind 10 to 14 mph, with gusts as high as 30 mph.

    Low: 40 °F

    Mostly Cloudy

  • Saturday

    Saturday: A 40 percent chance of rain after 1pm.  Increasing clouds, with a high near 49. Breezy, with a west southwest wind 10 to 15 mph increasing to 19 to 24 mph in the afternoon. Winds could gust as high as 48 mph.

    High: 49 °F

    Mostly Sunny
    then Chance
    Rain and
    Breezy

  • Saturday Night

    Saturday Night: A slight chance of rain and snow before 9pm, then a slight chance of snow between 9pm and midnight.  Partly cloudy, with a low around 27. Blustery, with a west northwest wind 17 to 22 mph decreasing to 6 to 11 mph after midnight. Winds could gust as high as 36 mph.  Chance of precipitation is 20%.

    Low: 27 °F

    Slight Chance
    Rain/Snow and
    Blustery then
    Partly Cloudy

  • Sunday

    Sunday: Sunny, with a high near 45. Light west southwest wind becoming west 5 to 10 mph in the afternoon. Winds could gust as high as 18 mph.

    High: 45 °F

    Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 30.

    Low: 30 °F

    Partly Cloudy

  • Monday

    Monday: Partly sunny, with a high near 48.

    High: 48 °F

    Partly Sunny

  • Monday Night

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

    Low: 33 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 51.

    High: 51 °F

    Partly Sunny

Detailed Forecast

This Afternoon
Mostly sunny, with a high near 59. West southwest wind around 18 mph, with gusts as high as 34 mph.
Tonight
Mostly cloudy, with a low around 40. Southwest wind 10 to 14 mph, with gusts as high as 30 mph.
Saturday
A 40 percent chance of rain after 1pm. Increasing clouds, with a high near 49. Breezy, with a west southwest wind 10 to 15 mph increasing to 19 to 24 mph in the afternoon. Winds could gust as high as 48 mph.
Saturday Night
A slight chance of rain and snow before 9pm, then a slight chance of snow between 9pm and midnight. Partly cloudy, with a low around 27. Blustery, with a west northwest wind 17 to 22 mph decreasing to 6 to 11 mph after midnight. Winds could gust as high as 36 mph. Chance of precipitation is 20%.
Sunday
Sunny, with a high near 45. Light west southwest wind becoming west 5 to 10 mph in the afternoon. Winds could gust as high as 18 mph.
Sunday Night
Partly cloudy, with a low around 30.
Monday
Partly sunny, with a high near 48.
Monday Night
Mostly cloudy, with a low around 33.
Tuesday
Partly sunny, with a high near 51.
Tuesday Night
A slight chance of rain after midnight. Mostly cloudy, with a low around 37.
Wednesday
A slight chance of rain. Snow level 8500 feet lowering to 7900 feet in the afternoon . Partly sunny, with a high near 51.
Wednesday Night
A slight chance of rain and snow. Mostly cloudy, with a low around 25.
Thursday
Mostly sunny, with a high near 39.
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ABOUT THIS FORECAST

 
Point Forecast:
27 Miles SSW Shoup ID
 45°N 114.44°W (Elev. 7595 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