Early Spring Heat Wave in the Southwest U.S.; Critical Fire Weather in the Central Rockies and Plains

An unusual early Spring heat wave will continue much above-normal temperatures over the Southwest U.S. through early next week. Many locations are likely to set records for the highest-ever March temperature. Periods of critical fire weather will persist from the central Rockies to the central Plains through Saturday as gusty winds and low relative humidity continue. Read More >

Current conditions at

Salmon, Lemhi County Airport (KSMN)

Lat: 45.11667°NLon: 113.88333°WElev: 4045.0ft.

Clear

34°F

1°C

Humidity 69%
Wind Speed N 0 MPH
Barometer 30.3 in (1026.08 mb)
Dewpoint 25°F (-4°C)
Visibility 10.00 mi
Last update 19 Mar 08:35 AM MDT
Extended Forecast for

8 Miles SSE Salmon ID

  • Today

    Today: Sunny, with a high near 58. West wind 13 to 18 mph, with gusts as high as 26 mph.

    High: 58 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 41. South southwest wind 14 to 20 mph, with gusts as high as 25 mph.

    Low: 41 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 60. South wind 15 to 18 mph, with gusts as high as 25 mph.

    High: 60 °F

    Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 41. South wind 15 to 20 mph, with gusts as high as 25 mph.

    Low: 41 °F

    Partly Cloudy

  • Saturday

    Saturday: A slight chance of rain and snow after noon.  Snow level 9400 feet lowering to 8200 feet in the afternoon . Partly sunny, with a high near 51. Breezy, with a south southwest wind 14 to 22 mph becoming west in the afternoon. Winds could gust as high as 29 mph.  Chance of precipitation is 20%.

    High: 51 °F

    Mostly Sunny
    then Slight
    Chance
    Rain/Snow and
    Breezy

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 29. Blustery.

    Low: 29 °F

    Partly Cloudy
    and Blustery
    then Mostly
    Clear

  • Sunday

    Sunday: Mostly sunny, with a high near 47.

    High: 47 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 34.

    Low: 34 °F

    Partly Cloudy

  • Monday

    Monday: Mostly cloudy, with a high near 50.

    High: 50 °F

    Mostly Cloudy

Detailed Forecast

Today
Sunny, with a high near 58. West wind 13 to 18 mph, with gusts as high as 26 mph.
Tonight
Mostly clear, with a low around 41. South southwest wind 14 to 20 mph, with gusts as high as 25 mph.
Friday
Sunny, with a high near 60. South wind 15 to 18 mph, with gusts as high as 25 mph.
Friday Night
Partly cloudy, with a low around 41. South wind 15 to 20 mph, with gusts as high as 25 mph.
Saturday
A slight chance of rain and snow after noon. Snow level 9400 feet lowering to 8200 feet in the afternoon . Partly sunny, with a high near 51. Breezy, with a south southwest wind 14 to 22 mph becoming west in the afternoon. Winds could gust as high as 29 mph. Chance of precipitation is 20%.
Saturday Night
Partly cloudy, with a low around 29. Blustery.
Sunday
Mostly sunny, with a high near 47.
Sunday Night
Partly cloudy, with a low around 34.
Monday
Mostly cloudy, with a high near 50.
Monday Night
Mostly cloudy, with a low around 38.
Tuesday
Partly sunny, with a high near 55.
Tuesday Night
A slight chance of rain. Partly cloudy, with a low around 38.
Wednesday
A chance of rain and snow. Mostly sunny, with a high near 51.
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ABOUT THIS FORECAST

 
Point Forecast:
8 Miles SSE Salmon ID
 45.06°N 113.85°W (Elev. 7946 ft)
2:01 am MDT Mar 19, 2026
8am MDT Mar 19, 2026-6pm MDT Mar 25, 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