Tropical Storm Edouard to Impact the Northwest Gulf Coast; Heat Expands Eastward

Tropical Storm Edouard will bring tropical storm to hurricane conditions, heavy rainfall, flash and some river flooding, and storm surge to portions of Upper Texas and southwestern Louisiana coasts into Wednesday. Severe thunderstorms are possible in the Central Plains and Mid-Atlantic. Hot and humid conditions will expand from the Central Plains into the Ohio Valley and Mid-Atlantic. Read More >

Current conditions at

Salmon, Lemhi County Airport (KSMN)

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

Clear

73°F

23°C

Humidity 38%
Wind Speed WNW 3 MPH
Barometer 29.96 in (1014.56 mb)
Dewpoint 46°F (8°C)
Visibility 10.00 mi
Last update 01 Sep 11:35 AM MDT
Extended Forecast for

17 Miles S Salmon ID

  • Today

    Today: A chance of showers, with thunderstorms also possible after 3pm.  Increasing clouds, with a high near 70. South wind 7 to 10 mph, with gusts as high as 20 mph.  Chance of precipitation is 50%.

    High: 70 °F

    Chance
    T-storms

  • Tonight

    Tonight: Showers and thunderstorms likely, mainly before 10pm.  Cloudy during the early evening, then gradual clearing, with a low around 47. West wind 6 to 10 mph becoming southeast after midnight.  Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 47 °F

    Showers
    Likely then
    Partly Cloudy

  • Wednesday

    Wednesday: A chance of showers and thunderstorms before 10am, then showers likely and possibly a thunderstorm between 10am and noon, then a chance of showers and thunderstorms after noon.  Mostly cloudy, with a high near 58. Southwest wind 8 to 17 mph, with gusts as high as 28 mph.  Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 58 °F

    Showers
    Likely then
    Chance
    T-storms

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 45. West southwest wind 11 to 17 mph, with gusts as high as 28 mph.

    Low: 45 °F

    Partly Cloudy

  • Thursday

    Thursday: A 20 percent chance of showers and thunderstorms after noon.  Mostly sunny, with a high near 54. South southwest wind 13 to 16 mph, with gusts as high as 33 mph.

    High: 54 °F

    Partly Sunny
    then Slight
    Chance
    T-storms

  • Thursday Night

    Thursday Night: A 20 percent chance of showers.  Partly cloudy, with a low around 42.

    Low: 42 °F

    Slight Chance
    Showers

  • Friday

    Friday: A 20 percent chance of showers.  Mostly sunny, with a high near 60.

    High: 60 °F

    Slight Chance
    Showers

  • Friday Night

    Friday Night: A slight chance of rain after midnight.  Partly cloudy, with a low around 44.

    Low: 44 °F

    Partly Cloudy
    then Slight
    Chance Rain

  • Saturday

    Saturday: Sunny, with a high near 66.

    High: 66 °F

    Sunny

Detailed Forecast

Today
A chance of showers, with thunderstorms also possible after 3pm. Increasing clouds, with a high near 70. South wind 7 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 50%.
Tonight
Showers and thunderstorms likely, mainly before 10pm. Cloudy during the early evening, then gradual clearing, with a low around 47. West wind 6 to 10 mph becoming southeast after midnight. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Wednesday
A chance of showers and thunderstorms before 10am, then showers likely and possibly a thunderstorm between 10am and noon, then a chance of showers and thunderstorms after noon. Mostly cloudy, with a high near 58. Southwest wind 8 to 17 mph, with gusts as high as 28 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Wednesday Night
Partly cloudy, with a low around 45. West southwest wind 11 to 17 mph, with gusts as high as 28 mph.
Thursday
A 20 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 54. South southwest wind 13 to 16 mph, with gusts as high as 33 mph.
Thursday Night
A 20 percent chance of showers. Partly cloudy, with a low around 42.
Friday
A 20 percent chance of showers. Mostly sunny, with a high near 60.
Friday Night
A slight chance of rain after midnight. Partly cloudy, with a low around 44.
Saturday
Sunny, with a high near 66.
Saturday Night
A slight chance of rain after midnight. Partly cloudy, with a low around 47.
Sunday
A chance of rain and thunderstorms. Partly sunny, with a high near 64.
Sunday Night
A chance of rain. Mostly cloudy, with a low around 48.
Labor Day
A chance of rain. Partly sunny, with a high near 61.
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ABOUT THIS FORECAST

 
Point Forecast:
17 Miles S Salmon ID
 44.93°N 113.88°W (Elev. 7589 ft)
2:01 am MDT Sep 1, 2026
11am MDT Sep 1, 2026-6pm MDT Sep 7, 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