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

27 Miles SSW Shoup ID

  • Today

    Today: Sunny, with a high near 58. West southwest wind 11 to 17 mph, with gusts as high as 29 mph.

    High: 58 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 39. South southwest wind 13 to 16 mph, with gusts as high as 26 mph.

    Low: 39 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 59. Southwest wind 13 to 17 mph, with gusts as high as 30 mph.

    High: 59 °F

    Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 39. South southwest wind 11 to 16 mph, with gusts as high as 28 mph.

    Low: 39 °F

    Partly Cloudy

  • Saturday

    Saturday: A chance of rain before noon, then a chance of rain and snow.  Snow level 9300 feet lowering to 8200 feet in the afternoon . Partly sunny, with a high near 49. Southwest wind 10 to 18 mph, with gusts as high as 32 mph.  Chance of precipitation is 50%. Little or no snow accumulation expected.

    High: 49 °F

    Chance Rain
    then Chance
    Rain/Snow

  • Saturday Night

    Saturday Night: A 20 percent chance of snow before midnight.  Partly cloudy, with a low around 26.

    Low: 26 °F

    Slight Chance
    Snow then
    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 46.

    High: 46 °F

    Mostly Sunny

  • Sunday Night

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

    Low: 30 °F

    Partly Cloudy

  • Monday

    Monday: Mostly cloudy, with a high near 48.

    High: 48 °F

    Mostly Cloudy

Detailed Forecast

Today
Sunny, with a high near 58. West southwest wind 11 to 17 mph, with gusts as high as 29 mph.
Tonight
Mostly clear, with a low around 39. South southwest wind 13 to 16 mph, with gusts as high as 26 mph.
Friday
Sunny, with a high near 59. Southwest wind 13 to 17 mph, with gusts as high as 30 mph.
Friday Night
Partly cloudy, with a low around 39. South southwest wind 11 to 16 mph, with gusts as high as 28 mph.
Saturday
A chance of rain before noon, then a chance of rain and snow. Snow level 9300 feet lowering to 8200 feet in the afternoon . Partly sunny, with a high near 49. Southwest wind 10 to 18 mph, with gusts as high as 32 mph. Chance of precipitation is 50%. Little or no snow accumulation expected.
Saturday Night
A 20 percent chance of snow before midnight. Partly cloudy, with a low around 26.
Sunday
Mostly sunny, with a high near 46.
Sunday Night
Partly cloudy, with a low around 30.
Monday
Mostly cloudy, with a high near 48.
Monday Night
Mostly cloudy, with a low around 34.
Tuesday
A chance of rain. Snow level 8400 feet rising to 9300 feet in the afternoon. Partly sunny, with a high near 53.
Tuesday Night
A chance of rain. Mostly cloudy, with a low around 37.
Wednesday
A chance of rain and snow. Partly sunny, with a high near 47.
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ABOUT THIS FORECAST

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

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Hourly Weather Forecast

National Digital Forecast Database