Critical Fire Weather in the Plains; Severe Thunderstorms in the Upper Mississippi Valley and Great Lakes

Anomalously warm, dry and breezy conditions will bring elevated to critical fire weather conditions across portions of the Intermountain West into the central and southern Plains today. Strong to severe thunderstorms are possible across portions of the upper Mississippi River Valley to the Great Lakes tonight through the day Tuesday. Damaging gusts, hail, and heavy rainfall are likely. Read More >

Current conditions at

Salmon, Lemhi County Airport (KSMN)

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

Partly Cloudy

43°F

6°C

Humidity 65%
Wind Speed N 0 MPH
Barometer 29.81 in (1009.48 mb)
Dewpoint 32°F (0°C)
Visibility 10.00 mi
Last update 30 Mar 09:05 AM MDT
Extended Forecast for

8 Miles SSE Salmon ID

  • Today

    Today: A 50 percent chance of snow, mainly after 1pm.  Mostly cloudy, with a high near 40. Breezy, with a west wind 22 to 25 mph, with gusts as high as 40 mph.  Total daytime snow accumulation of around an inch possible.

    High: 40 °F

    Breezy.
    Slight Chance
    Snow then
    Chance Snow

  • Tonight

    Tonight: A 30 percent chance of snow, mainly before 9pm.  Mostly cloudy, with a low around 24. Blustery, with a northwest wind 20 to 25 mph becoming east 6 to 11 mph in the evening. Winds could gust as high as 40 mph.  New snow accumulation of less than a half inch possible.

    Low: 24 °F

    Chance Snow
    and Blustery
    then Partly
    Cloudy

  • Tuesday

    Tuesday: A 50 percent chance of snow, mainly after noon.  Mostly cloudy, with a high near 41. South southeast wind 6 to 9 mph becoming west southwest in the afternoon.  New snow accumulation of less than a half inch possible.

    High: 41 °F

    Slight Chance
    Snow then
    Chance Snow

  • Tuesday Night

    Tuesday Night: A 30 percent chance of snow, mainly before midnight.  Mostly cloudy, with a low around 32. Southwest wind 6 to 11 mph.  New snow accumulation of less than a half inch possible.

    Low: 32 °F

    Chance Snow

  • Wednesday

    Wednesday: A 50 percent chance of snow, mainly after noon.  Mostly cloudy, with a high near 43. South southwest wind 6 to 13 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 29. Chance of precipitation is 80%. New snow accumulation of less than one inch possible.

    Low: 29 °F

    Chance Snow
    then Snow

  • Thursday

    Thursday: Snow.  High near 33. Chance of precipitation is 90%. New snow accumulation of 2 to 4 inches possible.

    High: 33 °F

    Snow

  • Thursday Night

    Thursday Night: A chance of snow.  Mostly cloudy, with a low around 26.

    Low: 26 °F

    Chance Snow

  • Friday

    Friday: A slight chance of snow.  Partly sunny, with a high near 37.

    High: 37 °F

    Slight Chance
    Snow

Detailed Forecast

Today
A 50 percent chance of snow, mainly after 1pm. Mostly cloudy, with a high near 40. Breezy, with a west wind 22 to 25 mph, with gusts as high as 40 mph. Total daytime snow accumulation of around an inch possible.
Tonight
A 30 percent chance of snow, mainly before 9pm. Mostly cloudy, with a low around 24. Blustery, with a northwest wind 20 to 25 mph becoming east 6 to 11 mph in the evening. Winds could gust as high as 40 mph. New snow accumulation of less than a half inch possible.
Tuesday
A 50 percent chance of snow, mainly after noon. Mostly cloudy, with a high near 41. South southeast wind 6 to 9 mph becoming west southwest in the afternoon. New snow accumulation of less than a half inch possible.
Tuesday Night
A 30 percent chance of snow, mainly before midnight. Mostly cloudy, with a low around 32. Southwest wind 6 to 11 mph. New snow accumulation of less than a half inch possible.
Wednesday
A 50 percent chance of snow, mainly after noon. Mostly cloudy, with a high near 43. South southwest wind 6 to 13 mph. Little or no snow accumulation expected.
Wednesday Night
Snow, mainly after midnight. Low around 29. Chance of precipitation is 80%. New snow accumulation of less than one inch possible.
Thursday
Snow. High near 33. Chance of precipitation is 90%. New snow accumulation of 2 to 4 inches possible.
Thursday Night
A chance of snow. Mostly cloudy, with a low around 26.
Friday
A slight chance of snow. Partly sunny, with a high near 37.
Friday Night
Mostly clear, with a low around 26.
Saturday
Sunny, with a high near 46.
Saturday Night
Mostly clear, with a low around 30.
Sunday
Mostly sunny, with a high near 50.
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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 30, 2026
9am MDT Mar 30, 2026-6pm MDT Apr 5, 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