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

25 Miles SW Salmon ID

  • Tonight

    Tonight: Mostly clear, with a low around 23. Southwest wind around 11 mph, with gusts as high as 20 mph.

    Low: 23 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 47. South southwest wind 9 to 13 mph, with gusts as high as 23 mph.

    High: 47 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 31. Southwest wind 10 to 13 mph, with gusts as high as 22 mph.

    Low: 31 °F

    Mostly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 53. South southwest wind 10 to 16 mph, with gusts as high as 28 mph.

    High: 53 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 35. West southwest wind 10 to 17 mph, with gusts as high as 30 mph.

    Low: 35 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 55. Breezy.

    High: 55 °F

    Mostly Sunny
    then Mostly
    Sunny and
    Breezy

  • Tuesday Night

    Tuesday Night: A slight chance of rain and snow between midnight and 3am, then a slight chance of snow after 3am.  Snow level 9800 feet lowering to 9000 feet after midnight . Partly cloudy, with a low around 34. Chance of precipitation is 20%.

    Low: 34 °F

    Partly Cloudy
    then Slight
    Chance
    Rain/Snow

  • Wednesday

    Wednesday: Snow likely before noon, then snow showers after noon. Some thunder is also possible.  Mostly cloudy, with a high near 38.

    High: 38 °F

    Snow Showers

  • Wednesday Night

    Wednesday Night: Snow.  Cloudy, with a low around 27.

    Low: 27 °F

    Snow

Detailed Forecast

Tonight
Mostly clear, with a low around 23. Southwest wind around 11 mph, with gusts as high as 20 mph.
Sunday
Sunny, with a high near 47. South southwest wind 9 to 13 mph, with gusts as high as 23 mph.
Sunday Night
Mostly cloudy, with a low around 31. Southwest wind 10 to 13 mph, with gusts as high as 22 mph.
Monday
Mostly sunny, with a high near 53. South southwest wind 10 to 16 mph, with gusts as high as 28 mph.
Monday Night
Partly cloudy, with a low around 35. West southwest wind 10 to 17 mph, with gusts as high as 30 mph.
Tuesday
Mostly sunny, with a high near 55. Breezy.
Tuesday Night
A slight chance of rain and snow between midnight and 3am, then a slight chance of snow after 3am. Snow level 9800 feet lowering to 9000 feet after midnight . Partly cloudy, with a low around 34. Chance of precipitation is 20%.
Wednesday
Snow likely before noon, then snow showers after noon. Some thunder is also possible. Mostly cloudy, with a high near 38.
Wednesday Night
Snow. Cloudy, with a low around 27.
Thursday
Snow. Mostly cloudy, with a high near 31.
Thursday Night
A chance of snow. Mostly cloudy, with a low around 19.
Friday
A chance of snow. Partly sunny, with a high near 33.
Friday Night
Partly cloudy, with a low around 22.
Saturday
A slight chance of snow. Partly sunny, with a high near 36.
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ABOUT THIS FORECAST

 
Point Forecast:
25 Miles SW Salmon ID
 44.88°N 114.21°W (Elev. 8983 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