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

43°F

6°C

Humidity 93%
Wind Speed NNW 4 MPH
Barometer 29.72 in (1006.44 mb)
Dewpoint 41°F (5°C)
Visibility 10.00 mi
Wind Chill41°F (5°C)
Last update 01 Apr 04:20 AM MDT
Extended Forecast for

4 Miles S Salmon ID

  • Overnight

    Overnight: A 20 percent chance of rain.  Mostly cloudy, with a low around 34. Calm wind.

    Low: 34 °F

    Slight Chance
    Rain

  • Wednesday

    Wednesday: A slight chance of rain before 7am, then a chance of rain after 1pm.  Partly sunny, with a high near 60. Calm wind becoming west southwest 5 to 8 mph in the afternoon.  Chance of precipitation is 40%.

    High: 60 °F

    Chance Rain

  • Wednesday Night

    Wednesday Night: Rain, mainly after 10pm.  Low around 33. South wind 3 to 7 mph.  Chance of precipitation is 90%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 33 °F

    Chance Rain
    then Rain

  • Thursday

    Thursday: Rain before 9am, then snow.  High near 46. Southwest wind 6 to 11 mph becoming northwest in the afternoon. Winds could gust as high as 22 mph.  Chance of precipitation is 90%. Little or no snow accumulation expected.

    High: 46 °F

    Rain/Snow
    then Snow
    Likely

  • Thursday Night

    Thursday Night: A 40 percent chance of snow.  Mostly cloudy, with a low around 29. Northwest wind 6 to 11 mph becoming light west northwest  after midnight. Winds could gust as high as 23 mph.  Little or no snow accumulation expected.

    Low: 29 °F

    Chance Snow

  • Friday

    Friday: Partly sunny, with a high near 54.

    High: 54 °F

    Partly Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 26.

    Low: 26 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 61.

    High: 61 °F

    Sunny

  • Saturday Night

    Saturday Night: Clear, with a low around 30.

    Low: 30 °F

    Clear

Detailed Forecast

Overnight
A 20 percent chance of rain. Mostly cloudy, with a low around 34. Calm wind.
Wednesday
A slight chance of rain before 7am, then a chance of rain after 1pm. Partly sunny, with a high near 60. Calm wind becoming west southwest 5 to 8 mph in the afternoon. Chance of precipitation is 40%.
Wednesday Night
Rain, mainly after 10pm. Low around 33. South wind 3 to 7 mph. Chance of precipitation is 90%. New precipitation amounts of less than a tenth of an inch possible.
Thursday
Rain before 9am, then snow. High near 46. Southwest wind 6 to 11 mph becoming northwest in the afternoon. Winds could gust as high as 22 mph. Chance of precipitation is 90%. Little or no snow accumulation expected.
Thursday Night
A 40 percent chance of snow. Mostly cloudy, with a low around 29. Northwest wind 6 to 11 mph becoming light west northwest after midnight. Winds could gust as high as 23 mph. Little or no snow accumulation expected.
Friday
Partly sunny, with a high near 54.
Friday Night
Mostly clear, with a low around 26.
Saturday
Sunny, with a high near 61.
Saturday Night
Clear, with a low around 30.
Sunday
Sunny, with a high near 65.
Sunday Night
Partly cloudy, with a low around 32.
Monday
Mostly sunny, with a high near 68.
Monday Night
Partly cloudy, with a low around 35.
Tuesday
Mostly sunny, with a high near 70.
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles S Salmon ID
 45.12°N 113.89°W (Elev. 4035 ft)
2:01 am MDT Apr 1, 2026
4am MDT Apr 1, 2026-6pm MDT Apr 7, 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