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

36°F

2°C

Humidity 51%
Wind Speed N 0 MPH
Barometer 30.13 in (1020.32 mb)
Dewpoint 19°F (-7°C)
Visibility 10.00 mi
Last update 19 Apr 01:20 AM MDT
Extended Forecast for

14 Miles SW Salmon ID

  • Overnight

    Overnight: Mostly clear, with a low around 27. West southwest wind around 14 mph.

    Low: 27 °F

    Mostly Clear

  • Sunday

    Sunday: Mostly sunny, with a high near 49. South southwest wind 10 to 14 mph, with gusts as high as 21 mph.

    High: 49 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 34. South southwest wind around 14 mph, with gusts as high as 20 mph.

    Low: 34 °F

    Mostly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 55. South 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 13 to 18 mph, with gusts as high as 26 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 and snow after midnight.  Snow level 9700 feet lowering to 9000 feet after midnight . Partly cloudy, with a low around 35. Breezy.  Chance of precipitation is 20%.

    Low: 35 °F

    Partly Cloudy
    and Breezy
    then Slight
    Chance
    Rain/Snow

  • Wednesday

    Wednesday: A chance of snow before noon, then snow showers after noon. Some thunder is also possible.  Mostly cloudy, with a high near 43.

    High: 43 °F

    Snow Showers

  • Wednesday Night

    Wednesday Night: Snow showers before midnight, then snow after midnight. Some thunder is also possible.  Cloudy, with a low around 28.

    Low: 28 °F

    Snow Showers

Detailed Forecast

Overnight
Mostly clear, with a low around 27. West southwest wind around 14 mph.
Sunday
Mostly sunny, with a high near 49. South southwest wind 10 to 14 mph, with gusts as high as 21 mph.
Sunday Night
Mostly cloudy, with a low around 34. South southwest wind around 14 mph, with gusts as high as 20 mph.
Monday
Mostly sunny, with a high near 55. South wind 11 to 15 mph, with gusts as high as 26 mph.
Monday Night
Partly cloudy, with a low around 36. Southwest wind 13 to 18 mph, with gusts as high as 26 mph.
Tuesday
Mostly sunny, with a high near 57. Breezy.
Tuesday Night
A slight chance of rain and snow after midnight. Snow level 9700 feet lowering to 9000 feet after midnight . Partly cloudy, with a low around 35. Breezy. Chance of precipitation is 20%.
Wednesday
A chance of snow before noon, then snow showers after noon. Some thunder is also possible. Mostly cloudy, with a high near 43.
Wednesday Night
Snow showers before midnight, then snow after midnight. Some thunder is also possible. Cloudy, with a low around 28.
Thursday
Snow likely, mainly before noon. Mostly cloudy, with a high near 33.
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
A slight chance of snow. Partly cloudy, with a low around 21.
Saturday
A slight chance of snow. Mostly sunny, with a high near 36.
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ABOUT THIS FORECAST

 
Point Forecast:
14 Miles SW Salmon ID
 45.02°N 114.08°W (Elev. 8927 ft)
12:21 am MDT Apr 19, 2026
1am MDT Apr 19, 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