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

68°F

20°C

Humidity 14%
Wind Speed E 3 MPH
Barometer 29.97 in (1014.9 mb)
Dewpoint 18°F (-8°C)
Visibility 9.00 mi
Last update 19 Apr 03:35 PM MDT
Extended Forecast for

8 Miles SSE Salmon ID

  • Tonight

    Tonight: Partly cloudy, with a low around 39. South southwest wind 9 to 11 mph.

    Low: 39 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 60. Southwest wind 7 to 15 mph becoming west northwest in the morning. Winds could gust as high as 21 mph.

    High: 60 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 42. South southeast wind 9 to 16 mph, with gusts as high as 21 mph.

    Low: 42 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 62. Breezy, with a south southeast wind 9 to 14 mph increasing to 19 to 24 mph in the afternoon.

    High: 62 °F

    Mostly Sunny
    then Mostly
    Sunny and
    Breezy

  • Tuesday Night

    Tuesday Night: A 20 percent chance of rain after midnight.  Snow level 9700 feet lowering to 8600 feet after midnight . Mostly cloudy, with a low around 39. South wind 13 to 20 mph, with gusts as high as 25 mph.

    Low: 39 °F

    Mostly Cloudy
    then Slight
    Chance Rain

  • Wednesday

    Wednesday: Snow likely before noon, then snow showers after noon. Some thunder is also possible.  High near 44. Chance of precipitation is 90%. New snow accumulation of less than a half inch possible.

    High: 44 °F

    Snow Showers

  • Wednesday Night

    Wednesday Night: Rain and snow.  Low around 32. Chance of precipitation is 80%. New snow accumulation of 1 to 2 inches possible.

    Low: 32 °F

    Rain/Snow

  • Thursday

    Thursday: Rain and snow likely before 3pm, then a chance of snow.  Mostly cloudy, with a high near 36.

    High: 36 °F

    Rain/Snow
    Likely

  • Thursday Night

    Thursday Night: A chance of rain and snow before 9pm, then a chance of snow.  Mostly cloudy, with a low around 24.

    Low: 24 °F

    Chance
    Rain/Snow
    then Slight
    Chance Snow

Detailed Forecast

Tonight
Partly cloudy, with a low around 39. South southwest wind 9 to 11 mph.
Monday
Mostly sunny, with a high near 60. Southwest wind 7 to 15 mph becoming west northwest in the morning. Winds could gust as high as 21 mph.
Monday Night
Partly cloudy, with a low around 42. South southeast wind 9 to 16 mph, with gusts as high as 21 mph.
Tuesday
Mostly sunny, with a high near 62. Breezy, with a south southeast wind 9 to 14 mph increasing to 19 to 24 mph in the afternoon.
Tuesday Night
A 20 percent chance of rain after midnight. Snow level 9700 feet lowering to 8600 feet after midnight . Mostly cloudy, with a low around 39. South wind 13 to 20 mph, with gusts as high as 25 mph.
Wednesday
Snow likely before noon, then snow showers after noon. Some thunder is also possible. High near 44. Chance of precipitation is 90%. New snow accumulation of less than a half inch possible.
Wednesday Night
Rain and snow. Low around 32. Chance of precipitation is 80%. New snow accumulation of 1 to 2 inches possible.
Thursday
Rain and snow likely before 3pm, then a chance of snow. Mostly cloudy, with a high near 36.
Thursday Night
A chance of rain and snow before 9pm, then a chance of snow. Mostly cloudy, with a low around 24.
Friday
A chance of snow. Partly sunny, with a high near 37.
Friday Night
A slight chance of snow. Mostly cloudy, with a low around 26.
Saturday
A slight chance of snow. Partly sunny, with a high near 38.
Saturday Night
Partly cloudy, with a low around 25.
Sunday
Mostly sunny, with a high near 42.
Basemap Options
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ABOUT THIS FORECAST

 
Point Forecast:
8 Miles SSE Salmon ID
 45.06°N 113.85°W (Elev. 7946 ft)
2:00 pm MDT Apr 19, 2026
3pm MDT Apr 19, 2026-6pm MDT Apr 26, 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