Flooding Risks from Tropical Moisture Across the Southeast and Southwest

Tropical moisture from Isaias and Rachel will impact portions of the Southeast and Southwest this weekend. Flash flooding, strong winds and even a threat for severe thunderstorms and tornadoes are possible. Meanwhile, strong winds and dry fuels are raising fire weather concerns across the central Great Basin and western High Plains. Across the northern Rockies, first winter storm of the season. Read More >

Current conditions at

Salmon, Lemhi County Airport (KSMN)

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

Mostly Cloudy

55°F

13°C

Humidity 47%
Wind Speed N 0 MPH
Barometer 29.56 in (1001.02 mb)
Dewpoint 35°F (2°C)
Visibility 10.00 mi
Last update 10 Oct 09:35 AM MDT
Extended Forecast for

4 Miles S Salmon ID

  • Today

    Today: A 30 percent chance of showers and thunderstorms, mainly after 2pm.  Mostly cloudy, with a high near 62. Calm wind becoming northwest 5 to 7 mph in the afternoon.

    High: 62 °F

    Partly Sunny
    then Chance
    Showers

  • Tonight

    Tonight: Rain.  Low around 31. North wind 7 to 15 mph, with gusts as high as 20 mph.  Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 31 °F

    Rain

  • Sunday

    Sunday: Rain and snow likely before 2pm, then rain.  High near 48. North northeast wind 3 to 6 mph.  Chance of precipitation is 80%. Little or no snow accumulation expected.

    High: 48 °F

    Rain/Snow
    Likely then
    Rain

  • Sunday Night

    Sunday Night: Rain before midnight, then rain, possibly mixed with snow.  Low around 26. North wind 5 to 7 mph.  Chance of precipitation is 90%. Little or no snow accumulation expected.

    Low: 26 °F

    Rain then
    Rain/Snow

  • Columbus Day

    Columbus Day: A chance of rain and snow before noon.  Areas of fog before noon.  Otherwise, mostly cloudy, with a high near 50. Calm wind.  Chance of precipitation is 30%. Little or no snow accumulation expected.

    High: 50 °F

    Chance
    Rain/Snow and
    Areas Fog
    then Partly
    Sunny

  • Monday Night

    Monday Night: Patchy fog after 11pm.  Otherwise, partly cloudy, with a low around 25.

    Low: 25 °F

    Patchy Fog

  • Tuesday

    Tuesday: Areas of fog before 11am.  Otherwise, mostly sunny, with a high near 56.

    High: 56 °F

    Areas Fog
    then Mostly
    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 26.

    Low: 26 °F

    Mostly Clear

  • Wednesday

    Wednesday: Mostly sunny, with a high near 58.

    High: 58 °F

    Mostly Sunny

Detailed Forecast

Today
A 30 percent chance of showers and thunderstorms, mainly after 2pm. Mostly cloudy, with a high near 62. Calm wind becoming northwest 5 to 7 mph in the afternoon.
Tonight
Rain. Low around 31. North wind 7 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.
Sunday
Rain and snow likely before 2pm, then rain. High near 48. North northeast wind 3 to 6 mph. Chance of precipitation is 80%. Little or no snow accumulation expected.
Sunday Night
Rain before midnight, then rain, possibly mixed with snow. Low around 26. North wind 5 to 7 mph. Chance of precipitation is 90%. Little or no snow accumulation expected.
Columbus Day
A chance of rain and snow before noon. Areas of fog before noon. Otherwise, mostly cloudy, with a high near 50. Calm wind. Chance of precipitation is 30%. Little or no snow accumulation expected.
Monday Night
Patchy fog after 11pm. Otherwise, partly cloudy, with a low around 25.
Tuesday
Areas of fog before 11am. Otherwise, mostly sunny, with a high near 56.
Tuesday Night
Mostly clear, with a low around 26.
Wednesday
Mostly sunny, with a high near 58.
Wednesday Night
Mostly clear, with a low around 26.
Thursday
Mostly sunny, with a high near 60.
Thursday Night
Mostly clear, with a low around 27.
Friday
Sunny, with a high near 66.
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles S Salmon ID
 45.12°N 113.89°W (Elev. 4035 ft)
6:57 am MDT Oct 10, 2026
9am MDT Oct 10, 2026-6pm MDT Oct 16, 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