Areas of Severe Thunderstorms and Heat

Scattered severe thunderstorms and excessive rainfall are possible today in the Mid Atlantic, posing a risk for damaging winds and isolated flash flooding. Extreme Heat Warnings are in effect today for northeast Texas into southern Oklahoma and Arkansas. Extreme Heat Warnings are also in effect for the Desert Southwest today into Sunday. Read More >

Current conditions at

Salmon, Lemhi County Airport (KSMN)

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

Clear

70°F

21°C

Humidity 37%
Wind Speed N 0 MPH
Barometer 30.19 in (1022.35 mb)
Dewpoint 43°F (6°C)
Visibility 10.00 mi
Last update 20 Aug 11:05 AM MDT
Extended Forecast for

9 Miles SSE Salmon ID

  • Today

    Today: Increasing clouds, with a high near 85. Light and variable wind becoming northwest 5 to 8 mph in the afternoon.

    High: 85 °F

    Increasing
    Clouds

  • Tonight

    Tonight: Mostly cloudy, with a low around 61. West northwest wind 5 to 8 mph becoming calm  after midnight.

    Low: 61 °F

    Mostly Cloudy

  • Friday

    Friday: Partly sunny, with a high near 87. Calm wind becoming north 5 to 7 mph in the afternoon.

    High: 87 °F

    Partly Sunny

  • Friday Night

    Friday Night: A 40 percent chance of rain, mainly after midnight.  Mostly cloudy, with a low around 63. West wind 6 to 8 mph becoming east southeast in the evening.

    Low: 63 °F

    Chance Rain

  • Saturday

    Saturday: A chance of rain, then showers likely and possibly a thunderstorm after noon.  Mostly cloudy, with a high near 80. South southeast wind around 7 mph becoming west in the afternoon.  Chance of precipitation is 70%.

    High: 80 °F

    Chance Rain
    then Showers
    Likely

  • Saturday Night

    Saturday Night: A chance of showers and thunderstorms before 9pm, then a chance of rain between 9pm and midnight.  Mostly cloudy, with a low around 58. Chance of precipitation is 30%.

    Low: 58 °F

    Chance
    Showers then
    Partly Cloudy

  • Sunday

    Sunday: A 20 percent chance of showers and thunderstorms after noon.  Mostly sunny, with a high near 77.

    High: 77 °F

    Mostly Sunny
    then Slight
    Chance
    T-storms

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 53.

    Low: 53 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 76.

    High: 76 °F

    Sunny

Detailed Forecast

Today
Increasing clouds, with a high near 85. Light and variable wind becoming northwest 5 to 8 mph in the afternoon.
Tonight
Mostly cloudy, with a low around 61. West northwest wind 5 to 8 mph becoming calm after midnight.
Friday
Partly sunny, with a high near 87. Calm wind becoming north 5 to 7 mph in the afternoon.
Friday Night
A 40 percent chance of rain, mainly after midnight. Mostly cloudy, with a low around 63. West wind 6 to 8 mph becoming east southeast in the evening.
Saturday
A chance of rain, then showers likely and possibly a thunderstorm after noon. Mostly cloudy, with a high near 80. South southeast wind around 7 mph becoming west in the afternoon. Chance of precipitation is 70%.
Saturday Night
A chance of showers and thunderstorms before 9pm, then a chance of rain between 9pm and midnight. Mostly cloudy, with a low around 58. Chance of precipitation is 30%.
Sunday
A 20 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 77.
Sunday Night
Mostly clear, with a low around 53.
Monday
Sunny, with a high near 76.
Monday Night
Mostly cloudy, with a low around 55.
Tuesday
A chance of showers and thunderstorms. Mostly sunny, with a high near 76.
Tuesday Night
A slight chance of rain. Mostly cloudy, with a low around 55.
Wednesday
A slight chance of showers and thunderstorms. Mostly sunny, with a high near 76.
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ABOUT THIS FORECAST

 
Point Forecast:
9 Miles SSE Salmon ID
 45.05°N 113.81°W (Elev. 6056 ft)
2:01 am MDT Aug 20, 2026
11am MDT Aug 20, 2026-6pm MDT Aug 26, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

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