Severe Thunderstorms and Heavy Rainfall in the Ohio Valley and Great Lakes; Winter Weather in the Northern Tier

A slow moving front extending from the Great Lakes region into the Plains will bring snow, wintry mix, and ice accumulation north of the front from the Upper Midwest into New England, and severe weather and heavy rain south of the front. Scattered severe thunderstorms with damaging gusts, severe hail, and heavy rain are expected across parts of the Great Lakes/Midwest through tonight. Read More >

Current conditions at

Salmon, Lemhi County Airport (KSMN)

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

Rain

36°F

2°C

Humidity 93%
Wind Speed N 0 MPH
Barometer 29.87 in (1011.51 mb)
Dewpoint 34°F (1°C)
Visibility 10.00 mi
Last update 31 Mar 08:50 AM MDT
Extended Forecast for

8 Miles SSE Salmon ID

  • Today

    Today: A chance of snow before 11am, then snow showers likely after noon. Some thunder is also possible.  Mostly cloudy, with a high near 42. Southwest wind 7 to 11 mph.  Chance of precipitation is 70%. Total daytime snow accumulation of less than a half inch possible.

    High: 42 °F

    Chance Snow
    then Snow
    Showers
    Likely

  • Tonight

    Tonight: A chance of snow before 10pm, then a slight chance of snow after 4am.  Mostly cloudy, with a low around 30. West southwest wind 6 to 13 mph.  Chance of precipitation is 30%. Little or no snow accumulation expected.

    Low: 30 °F

    Chance Snow

  • Wednesday

    Wednesday: A 50 percent chance of snow, mainly after noon.  Partly sunny, with a high near 43. South southwest wind 6 to 11 mph.  Little or no snow accumulation expected.

    High: 43 °F

    Slight Chance
    Snow then
    Chance Snow

  • Wednesday Night

    Wednesday Night: Snow, mainly after midnight.  Low around 28. South wind around 15 mph, with gusts as high as 18 mph.  Chance of precipitation is 80%. New snow accumulation of less than one inch possible.

    Low: 28 °F

    Chance Snow
    then Snow

  • Thursday

    Thursday: Snow.  High near 32. South wind 16 to 20 mph becoming west northwest in the afternoon. Winds could gust as high as 26 mph.  Chance of precipitation is 90%. New snow accumulation of 2 to 4 inches possible.

    High: 32 °F

    Snow

  • Thursday Night

    Thursday Night: A 50 percent chance of snow.  Mostly cloudy, with a low around 25. Blustery.  New snow accumulation of less than one inch possible.

    Low: 25 °F

    Chance Snow
    and Blustery

  • Friday

    Friday: A 20 percent chance of snow.  Partly sunny, with a high near 35.

    High: 35 °F

    Slight Chance
    Snow

  • Friday Night

    Friday Night: Partly cloudy, with a low around 24.

    Low: 24 °F

    Partly Cloudy

  • Saturday

    Saturday: Sunny, with a high near 44.

    High: 44 °F

    Sunny

Detailed Forecast

Today
A chance of snow before 11am, then snow showers likely after noon. Some thunder is also possible. Mostly cloudy, with a high near 42. Southwest wind 7 to 11 mph. Chance of precipitation is 70%. Total daytime snow accumulation of less than a half inch possible.
Tonight
A chance of snow before 10pm, then a slight chance of snow after 4am. Mostly cloudy, with a low around 30. West southwest wind 6 to 13 mph. Chance of precipitation is 30%. Little or no snow accumulation expected.
Wednesday
A 50 percent chance of snow, mainly after noon. Partly sunny, with a high near 43. South southwest wind 6 to 11 mph. Little or no snow accumulation expected.
Wednesday Night
Snow, mainly after midnight. Low around 28. South wind around 15 mph, with gusts as high as 18 mph. Chance of precipitation is 80%. New snow accumulation of less than one inch possible.
Thursday
Snow. High near 32. South wind 16 to 20 mph becoming west northwest in the afternoon. Winds could gust as high as 26 mph. Chance of precipitation is 90%. New snow accumulation of 2 to 4 inches possible.
Thursday Night
A 50 percent chance of snow. Mostly cloudy, with a low around 25. Blustery. New snow accumulation of less than one inch possible.
Friday
A 20 percent chance of snow. Partly sunny, with a high near 35.
Friday Night
Partly cloudy, with a low around 24.
Saturday
Sunny, with a high near 44.
Saturday Night
Mostly clear, with a low around 29.
Sunday
Mostly sunny, with a high near 50.
Sunday Night
Partly cloudy, with a low around 33.
Monday
Mostly sunny, with a high near 53.
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ABOUT THIS FORECAST

 
Point Forecast:
8 Miles SSE Salmon ID
 45.06°N 113.85°W (Elev. 7946 ft)
2:01 am MDT Mar 31, 2026
9am MDT Mar 31, 2026-6pm MDT Apr 6, 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