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

57°F

14°C

Humidity 23%
Wind Speed N 4 MPH
Barometer 30.08 in (1018.63 mb)
Dewpoint 20°F (-7°C)
Visibility 10.00 mi
Last update 19 Apr 12:56 PM MDT
Extended Forecast for

25 Miles SW Salmon ID

  • This Afternoon

    This Afternoon: Mostly sunny, with a high near 47. South wind around 14 mph, with gusts as high as 23 mph.

    High: 47 °F

    Mostly Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 32. South southwest wind 10 to 14 mph, with gusts as high as 23 mph.

    Low: 32 °F

    Partly Cloudy

  • Monday

    Monday: Sunny, with a high near 54. South wind 10 to 18 mph, with gusts as high as 30 mph.

    High: 54 °F

    Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 35. 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 56. Breezy, with a south wind 10 to 15 mph increasing to 20 to 25 mph in the afternoon. Winds could gust as high as 40 mph.

    High: 56 °F

    Mostly Sunny
    then Sunny
    and Breezy

  • Tuesday Night

    Tuesday Night: A chance of rain and snow between midnight and 3am, then a chance of snow after 3am.  Snow level 9600 feet lowering to 9000 feet after midnight . Mostly cloudy, with a low around 32. Breezy.  Chance of precipitation is 40%. New snow accumulation of less than a half inch possible.

    Low: 32 °F

    Partly Cloudy
    and Breezy
    then Chance
    Rain/Snow

  • Wednesday

    Wednesday: Snow before noon, then snow showers after noon. Some thunder is also possible.  High near 36. Breezy.  Chance of precipitation is 90%. New snow accumulation of 2 to 4 inches possible.

    High: 36 °F

    Snow and
    Breezy

  • Wednesday Night

    Wednesday Night: Snow.  Cloudy, with a low around 26. Breezy.

    Low: 26 °F

    Snow and
    Breezy

  • Thursday

    Thursday: Snow likely.  Mostly cloudy, with a high near 31.

    High: 31 °F

    Snow Likely

Detailed Forecast

This Afternoon
Mostly sunny, with a high near 47. South wind around 14 mph, with gusts as high as 23 mph.
Tonight
Partly cloudy, with a low around 32. South southwest wind 10 to 14 mph, with gusts as high as 23 mph.
Monday
Sunny, with a high near 54. South wind 10 to 18 mph, with gusts as high as 30 mph.
Monday Night
Partly cloudy, with a low around 35. Southwest wind 10 to 17 mph, with gusts as high as 30 mph.
Tuesday
Mostly sunny, with a high near 56. Breezy, with a south wind 10 to 15 mph increasing to 20 to 25 mph in the afternoon. Winds could gust as high as 40 mph.
Tuesday Night
A chance of rain and snow between midnight and 3am, then a chance of snow after 3am. Snow level 9600 feet lowering to 9000 feet after midnight . Mostly cloudy, with a low around 32. Breezy. Chance of precipitation is 40%. New snow accumulation of less than a half inch possible.
Wednesday
Snow before noon, then snow showers after noon. Some thunder is also possible. High near 36. Breezy. Chance of precipitation is 90%. New snow accumulation of 2 to 4 inches possible.
Wednesday Night
Snow. Cloudy, with a low around 26. Breezy.
Thursday
Snow likely. 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 32.
Friday Night
A slight chance of snow. Mostly cloudy, with a low around 20.
Saturday
A slight chance of snow. Partly sunny, with a high near 33.
Basemap Options
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ABOUT THIS FORECAST

 
Point Forecast:
25 Miles SW Salmon ID
 44.88°N 114.21°W (Elev. 8983 ft)
12:21 pm MDT Apr 19, 2026
1pm 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