Sinlaku Continues to Impact the Marianas; Severe Weather from the Central US to the Northeast; Late-Season Snow in the Northwest

Sinlaku continues to bring destructive winds, widespread heavy rain/flooding, and storm surge to the Marianas. Showers and severe thunderstorms are expected from the Northeast to the Mid-Mississippi Valley and to the Central/Southern Plains through Thursday. A front will produce late-season snowfall over the Cascades and Northern Rockies and coastal rain over the Northwest Coast through Thursday. Read More >

Current conditions at

Salmon, Lemhi County Airport (KSMN)

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

Overcast

48°F

9°C

Humidity 47%
Wind Speed E 5 MPH
Barometer 29.8 in (1009.14 mb)
Dewpoint 29°F (-2°C)
Visibility 10.00 mi
Wind Chill46°F (8°C)
Last update 15 Apr 03:56 AM MDT
Extended Forecast for

14 Miles SW Salmon ID

Winter Weather Advisory April 15, 06:00pm until April 16, 09:00am
Click here for hazard details and duration
Winter Weather Advisory
  • Overnight

    Overnight: A 20 percent chance of snow showers after 5am.  Mostly cloudy, with a low around 28. Breezy, with a southwest wind around 22 mph, with gusts as high as 30 mph.

    Low: 28 °F

    Slight Chance
    Snow Showers
    and Breezy

  • Wednesday

    Wednesday: Snow showers likely, mainly after 4pm.  Mostly cloudy, with a high near 35. Breezy, with a west southwest wind 22 to 28 mph, with gusts as high as 43 mph.  Chance of precipitation is 70%. New snow accumulation of less than one inch possible.

    High: 35 °F

    Snow Showers
    Likely and
    Breezy

  • Wednesday Night

    Wednesday Night: Snow showers. The snow could be heavy at times. Some thunder is also possible.  Low around 11. Wind chill values as low as -3. Breezy, with a west northwest wind 21 to 26 mph decreasing to 15 to 20 mph after midnight. Winds could gust as high as 40 mph.  Chance of precipitation is 90%. New snow accumulation of 4 to 8 inches possible.

    Low: 11 °F

    Heavy Snow
    and Breezy
    then Snow
    Showers
    Likely

  • Thursday

    Thursday: Snow showers.  High near 20. Wind chill values as low as -5. Blustery, with a northwest wind 15 to 22 mph, with gusts as high as 34 mph.  Chance of precipitation is 80%. New snow accumulation of 1 to 3 inches possible.

    High: 20 °F

    Snow Showers
    and Blustery

  • Thursday Night

    Thursday Night: A 20 percent chance of snow showers before midnight.  Mostly cloudy, with a low around 14. Blustery, with a west northwest wind 14 to 24 mph, with gusts as high as 36 mph.

    Low: 14 °F

    Slight Chance
    Snow Showers
    and Blustery
    then Mostly
    Cloudy

  • Friday

    Friday: A 40 percent chance of snow showers after noon.  Partly sunny, with a high near 25. New snow accumulation of less than a half inch possible.

    High: 25 °F

    Mostly Sunny
    then Chance
    Snow Showers

  • Friday Night

    Friday Night: Mostly clear, with a low around 16.

    Low: 16 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 37.

    High: 37 °F

    Sunny

  • Saturday Night

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

    Low: 24 °F

    Partly Cloudy

Detailed Forecast

Overnight
A 20 percent chance of snow showers after 5am. Mostly cloudy, with a low around 28. Breezy, with a southwest wind around 22 mph, with gusts as high as 30 mph.
Wednesday
Snow showers likely, mainly after 4pm. Mostly cloudy, with a high near 35. Breezy, with a west southwest wind 22 to 28 mph, with gusts as high as 43 mph. Chance of precipitation is 70%. New snow accumulation of less than one inch possible.
Wednesday Night
Snow showers. The snow could be heavy at times. Some thunder is also possible. Low around 11. Wind chill values as low as -3. Breezy, with a west northwest wind 21 to 26 mph decreasing to 15 to 20 mph after midnight. Winds could gust as high as 40 mph. Chance of precipitation is 90%. New snow accumulation of 4 to 8 inches possible.
Thursday
Snow showers. High near 20. Wind chill values as low as -5. Blustery, with a northwest wind 15 to 22 mph, with gusts as high as 34 mph. Chance of precipitation is 80%. New snow accumulation of 1 to 3 inches possible.
Thursday Night
A 20 percent chance of snow showers before midnight. Mostly cloudy, with a low around 14. Blustery, with a west northwest wind 14 to 24 mph, with gusts as high as 36 mph.
Friday
A 40 percent chance of snow showers after noon. Partly sunny, with a high near 25. New snow accumulation of less than a half inch possible.
Friday Night
Mostly clear, with a low around 16.
Saturday
Sunny, with a high near 37.
Saturday Night
Partly cloudy, with a low around 24.
Sunday
Mostly sunny, with a high near 45.
Sunday Night
Partly cloudy, with a low around 29.
Monday
A slight chance of snow. Mostly sunny, with a high near 49.
Monday Night
A slight chance of rain and snow. Partly cloudy, with a low around 33.
Tuesday
A chance of snow. Partly sunny, with a high near 50.
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ABOUT THIS FORECAST

 
Point Forecast:
14 Miles SW Salmon ID
 45.02°N 114.08°W (Elev. 8927 ft)
2:01 am MDT Apr 15, 2026
4am MDT Apr 15, 2026-6pm MDT Apr 21, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database