Showers and Thunderstorms for the Eastern Third of the Country; Fire Weather Concerns; Flooding Issues for the Great Lakes Region

Showers and thunderstorms will continue along and ahead of a cold front for the eastern third of the country. The rainfall for the Great Lakes region could prolong the ongoing flooding. Much cooler weather will filter in behind this cold front along and east of the Rockies. Where the rain is needed, the Southern High Plains, critical fire weather concerns through this weekend. Read More >

Current conditions at

Salmon, Lemhi County Airport (KSMN)

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

Clear

50°F

10°C

Humidity 31%
Wind Speed SSE 3 MPH
Barometer 30.04 in (1017.27 mb)
Dewpoint 21°F (-6°C)
Visibility 10.00 mi
Last update 18 Apr 08:20 PM MDT
Extended Forecast for

14 Miles SW Salmon ID

  • Tonight

    Tonight: Mostly clear, with a low around 26. Southwest wind around 14 mph, with gusts as high as 20 mph.

    Low: 26 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 49. South southwest wind 10 to 13 mph, with gusts as high as 22 mph.

    High: 49 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 34. Southwest wind around 14 mph, with gusts as high as 21 mph.

    Low: 34 °F

    Mostly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 55. South southwest wind 11 to 15 mph, with gusts as high as 26 mph.

    High: 55 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 36. Southwest wind 11 to 18 mph, with gusts as high as 28 mph.

    Low: 36 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 57. Breezy.

    High: 57 °F

    Mostly Sunny
    then Mostly
    Sunny and
    Breezy

  • Tuesday Night

    Tuesday Night: A slight chance of rain after midnight, mixing with snow after 3am.  Snow level 9800 feet lowering to 8900 feet after midnight . Partly cloudy, with a low around 36. Chance of precipitation is 20%.

    Low: 36 °F

    Partly Cloudy
    then Slight
    Chance
    Rain/Snow

  • Wednesday

    Wednesday: Rain and snow likely before noon, then snow showers. Some thunder is also possible.  Mostly cloudy, with a high near 40.

    High: 40 °F

    Rain/Snow
    Likely then
    Snow Showers

  • Wednesday Night

    Wednesday Night: Snow.  Cloudy, with a low around 28.

    Low: 28 °F

    Snow

Detailed Forecast

Tonight
Mostly clear, with a low around 26. Southwest wind around 14 mph, with gusts as high as 20 mph.
Sunday
Sunny, with a high near 49. South southwest wind 10 to 13 mph, with gusts as high as 22 mph.
Sunday Night
Mostly cloudy, with a low around 34. Southwest wind around 14 mph, with gusts as high as 21 mph.
Monday
Mostly sunny, with a high near 55. South southwest wind 11 to 15 mph, with gusts as high as 26 mph.
Monday Night
Partly cloudy, with a low around 36. Southwest wind 11 to 18 mph, with gusts as high as 28 mph.
Tuesday
Mostly sunny, with a high near 57. Breezy.
Tuesday Night
A slight chance of rain after midnight, mixing with snow after 3am. Snow level 9800 feet lowering to 8900 feet after midnight . Partly cloudy, with a low around 36. Chance of precipitation is 20%.
Wednesday
Rain and snow likely before noon, then snow showers. Some thunder is also possible. Mostly cloudy, with a high near 40.
Wednesday Night
Snow. Cloudy, with a low around 28.
Thursday
Snow. Mostly cloudy, with a high near 32.
Thursday Night
A chance of snow. Mostly cloudy, with a low around 20.
Friday
A chance of snow. Partly sunny, with a high near 35.
Friday Night
Partly cloudy, with a low around 22.
Saturday
A slight chance of snow. Partly sunny, with a high near 37.
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ABOUT THIS FORECAST

 
Point Forecast:
14 Miles SW Salmon ID
 45.02°N 114.08°W (Elev. 8927 ft)
2:01 pm MDT Apr 18, 2026
8pm MDT Apr 18, 2026-6pm MDT Apr 25, 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