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

Gusty Winds in the Mid-Atlantic and Northeast; Atmospheric River to Impact the Northwest

Gusty winds are expected from portions of the Mid-Atlantic into the Northeast through the night following the system that brought rain to the area. An atmospheric river will move into the Northwest late today into Saturday bringing moderate to heavy rainfall, mountain snow, windy conditions, and high surf to the area over the weekend. Read More >

Current conditions at

Salmon, Lemhi County Airport (KSMN)

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

Clear

52°F

11°C

Humidity 40%
Wind Speed N 0 MPH
Barometer 30.12 in (1019.98 mb)
Dewpoint 28°F (-2°C)
Visibility 10.00 mi
Last update 01 Nov 01:00 PM MDT
Extended Forecast for

4 Miles S Salmon ID

  • This Afternoon

    This Afternoon: Mostly sunny, with a high near 63. South wind 6 to 11 mph increasing to 16 to 21 mph. Winds could gust as high as 29 mph.

    High: 63 °F

    Mostly Sunny

  • Tonight

    Tonight: A 30 percent chance of rain, mainly after 4am. Increasing clouds, with a low around 39. South wind 14 to 17 mph, with gusts as high as 24 mph.

    Low: 39 °F

    Partly Cloudy
    then Chance
    Rain

  • Sunday

    Sunday: A 20 percent chance of rain before noon. Cloudy, then gradually becoming mostly sunny, with a high near 56. West northwest wind 9 to 13 mph.

    High: 56 °F

    Slight Chance
    Rain then
    Mostly Sunny

  • Sunday Night

    Sunday Night: Widespread frost, mainly after 1am. Otherwise, partly cloudy, with a low around 25. North northwest wind around 6 mph becoming calm in the evening.

    Low: 25 °F

    Frost

  • Monday

    Monday: Widespread frost before 11am. Otherwise, partly sunny, with a high near 54. Calm wind becoming west southwest around 6 mph in the afternoon.

    High: 54 °F

    Frost then
    Mostly Sunny

  • Monday Night

    Monday Night: A 30 percent chance of rain after midnight. Areas of frost after 5am. Otherwise, mostly cloudy, with a low around 35.

    Low: 35 °F

    Mostly Cloudy
    then Chance
    Rain

  • Tuesday

    Tuesday: A 30 percent chance of rain before noon. Areas of frost before 9am. Otherwise, mostly cloudy, with a high near 54.

    High: 54 °F

    Chance Rain
    then Mostly
    Cloudy

  • Tuesday Night

    Tuesday Night: Areas of frost after 3am. Otherwise, mostly cloudy, with a low around 34.

    Low: 34 °F

    Mostly Cloudy
    then Areas
    Frost

  • Wednesday

    Wednesday: A slight chance of rain after noon. Widespread frost before 9am. Otherwise, mostly cloudy, with a high near 58.

    High: 58 °F

    Frost then
    Slight Chance
    Rain

Detailed Forecast

This Afternoon
Mostly sunny, with a high near 63. South wind 6 to 11 mph increasing to 16 to 21 mph. Winds could gust as high as 29 mph.
Tonight
A 30 percent chance of rain, mainly after 4am. Increasing clouds, with a low around 39. South wind 14 to 17 mph, with gusts as high as 24 mph.
Sunday
A 20 percent chance of rain before noon. Cloudy, then gradually becoming mostly sunny, with a high near 56. West northwest wind 9 to 13 mph.
Sunday Night
Widespread frost, mainly after 1am. Otherwise, partly cloudy, with a low around 25. North northwest wind around 6 mph becoming calm in the evening.
Monday
Widespread frost before 11am. Otherwise, partly sunny, with a high near 54. Calm wind becoming west southwest around 6 mph in the afternoon.
Monday Night
A 30 percent chance of rain after midnight. Areas of frost after 5am. Otherwise, mostly cloudy, with a low around 35.
Tuesday
A 30 percent chance of rain before noon. Areas of frost before 9am. Otherwise, mostly cloudy, with a high near 54.
Tuesday Night
Areas of frost after 3am. Otherwise, mostly cloudy, with a low around 34.
Wednesday
A slight chance of rain after noon. Widespread frost before 9am. Otherwise, mostly cloudy, with a high near 58.
Wednesday Night
A chance of rain. Mostly cloudy, with a low around 33.
Thursday
A slight chance of rain. Mostly cloudy, with a high near 53.
Thursday Night
A chance of rain. Mostly cloudy, with a low around 34.
Friday
Rain likely. Mostly cloudy, with a high near 50.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
4 Miles S Salmon ID
 45.12°N 113.89°W (Elev. 4035 ft)
Last Update:
2:02 am MDT Nov 1, 2025
Forecast Valid:
1pm MDT Nov 1, 2025-6pm MST Nov 7, 2025
 
Forecast Discussion
 
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Additional Resources

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High Temperature

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Chance of Precipitation