National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Early Heat Wave in the West; Fire Concerns in the Plains

An anomalously early heat wave will continue to intensify and expand across the West and Southwest as the week progresses. Numerous daily and potentially monthly record highs are expected to be broken. Elevated to critical fire weather conditions are expected today across the High Plains and southern Plains. Lake effect snow downwind of the Great Lakes will taper off today. Read More >

Current conditions at

Salmon, Lemhi County Airport (KSMN)

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

Overcast

64°F

18°C

Humidity 23%
Wind Speed N 8 MPH
Barometer 30.08 in (1018.63 mb)
Dewpoint 26°F (-3°C)
Visibility 10.00 mi
Last update 17 Mar 06:05 PM MDT
Extended Forecast for

28 Miles SSW Shoup ID

  • Tonight

    Tonight: Mostly cloudy, then gradually becoming clear, with a low around 35. Southwest wind 10 to 13 mph, with gusts as high as 23 mph.

    Low: 35 °F

    Decreasing
    Clouds

  • Wednesday

    Wednesday: Sunny, with a high near 55. West southwest wind 10 to 16 mph, with gusts as high as 29 mph.

    High: 55 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 37. Southwest wind 9 to 14 mph, with gusts as high as 24 mph.

    Low: 37 °F

    Partly Cloudy

  • Thursday

    Thursday: Sunny, with a high near 56. Southwest wind 9 to 14 mph, with gusts as high as 28 mph.

    High: 56 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 38. South southwest wind 10 to 14 mph, with gusts as high as 25 mph.

    Low: 38 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 60.

    High: 60 °F

    Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 40.

    Low: 40 °F

    Partly Cloudy

  • Saturday

    Saturday: A chance of rain. Snow level 9200 feet lowering to 8100 feet in the afternoon . Partly sunny, with a high near 51.

    High: 51 °F

    Chance Rain

  • 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.

    Low: 27 °F

    Slight Chance
    Rain/Snow
    then Partly
    Cloudy

Detailed Forecast

Tonight
Mostly cloudy, then gradually becoming clear, with a low around 35. Southwest wind 10 to 13 mph, with gusts as high as 23 mph.
Wednesday
Sunny, with a high near 55. West southwest wind 10 to 16 mph, with gusts as high as 29 mph.
Wednesday Night
Partly cloudy, with a low around 37. Southwest wind 9 to 14 mph, with gusts as high as 24 mph.
Thursday
Sunny, with a high near 56. Southwest wind 9 to 14 mph, with gusts as high as 28 mph.
Thursday Night
Mostly clear, with a low around 38. South southwest wind 10 to 14 mph, with gusts as high as 25 mph.
Friday
Sunny, with a high near 60.
Friday Night
Partly cloudy, with a low around 40.
Saturday
A chance of rain. Snow level 9200 feet lowering to 8100 feet in the afternoon . Partly sunny, with a high near 51.
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.
Sunday
A slight chance of snow before noon. Mostly sunny, with a high near 46.
Sunday Night
Partly cloudy, with a low around 29.
Monday
Partly sunny, with a high near 49.
Monday Night
A chance of rain and snow. Mostly cloudy, with a low around 33.
Tuesday
A chance of snow. Mostly cloudy, with a high near 47.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
28 Miles SSW Shoup ID
 45°N 114.5°W (Elev. 7444 ft)
Last Update:
2:11 pm MDT Mar 17, 2026
Forecast Valid:
6pm MDT Mar 17, 2026-6pm MDT Mar 24, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation