Prolonged Atmospheric River in the Pacific Northwest; Snow and High Winds in the North-Central U.S.

A prolonged atmospheric river will continue impacting the Pacific Northwest with heavy rainfall which has lead to areas of urban and river flooding along with gusty winds into Thursday. A clipper will bring heavy snow, some mixed wintry precipitation, and gusty to high winds across the northern Plains, Upper Midwest, and the Great Lakes into Thursday morning. Read More >

Current conditions at

Salmon, Lemhi County Airport (KSMN)

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

Overcast

46°F

8°C

Humidity 67%
Wind Speed NNE 21 MPH
Barometer 30.05 in (1017.61 mb)
Dewpoint 36°F (2°C)
Visibility 10.00 mi
Wind Chill38°F (3°C)
Last update 09 Dec 12:56 PM MST
Extended Forecast for

12 Miles SSW Salmon ID

  • This Afternoon

    This Afternoon: A chance of rain before 2pm, then a chance of rain and snow.  Mostly cloudy, with a high near 47. West wind around 15 mph, with gusts as high as 28 mph.  Chance of precipitation is 50%. Little or no snow accumulation expected.

    High: 47 °F

    Chance
    Rain/Snow

  • Tonight

    Tonight: Rain and snow, becoming all rain after 2am.  Snow level 6000 feet lowering to 5300 feet. Low around 36. South wind 5 to 11 mph, with gusts as high as 22 mph.  Chance of precipitation is 90%. Little or no snow accumulation expected.

    Low: 36 °F

    Rain/Snow

  • Wednesday

    Wednesday: Rain likely, mainly before 11am.  Mostly cloudy, with a high near 52. Southwest wind around 14 mph, with gusts as high as 25 mph.  Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    High: 52 °F

    Rain Likely
    then Chance
    Rain

  • Wednesday Night

    Wednesday Night: A 20 percent chance of rain before 11pm.  Mostly cloudy, with a low around 38. Southwest wind around 14 mph, with gusts as high as 24 mph.

    Low: 38 °F

    Slight Chance
    Rain then
    Mostly Cloudy

  • Thursday

    Thursday: A 20 percent chance of rain.  Partly sunny, with a high near 52. Southwest wind around 13 mph, with gusts as high as 23 mph.

    High: 52 °F

    Slight Chance
    Rain

  • Thursday Night

    Thursday Night: A 20 percent chance of rain before 11pm.  Mostly cloudy, with a low around 41.

    Low: 41 °F

    Slight Chance
    Rain then
    Mostly Cloudy

  • Friday

    Friday: Partly sunny, with a high near 52.

    High: 52 °F

    Partly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 34.

    Low: 34 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 50.

    High: 50 °F

    Mostly Sunny

Detailed Forecast

This Afternoon
A chance of rain before 2pm, then a chance of rain and snow. Mostly cloudy, with a high near 47. West wind around 15 mph, with gusts as high as 28 mph. Chance of precipitation is 50%. Little or no snow accumulation expected.
Tonight
Rain and snow, becoming all rain after 2am. Snow level 6000 feet lowering to 5300 feet. Low around 36. South wind 5 to 11 mph, with gusts as high as 22 mph. Chance of precipitation is 90%. Little or no snow accumulation expected.
Wednesday
Rain likely, mainly before 11am. Mostly cloudy, with a high near 52. Southwest wind around 14 mph, with gusts as high as 25 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Wednesday Night
A 20 percent chance of rain before 11pm. Mostly cloudy, with a low around 38. Southwest wind around 14 mph, with gusts as high as 24 mph.
Thursday
A 20 percent chance of rain. Partly sunny, with a high near 52. Southwest wind around 13 mph, with gusts as high as 23 mph.
Thursday Night
A 20 percent chance of rain before 11pm. Mostly cloudy, with a low around 41.
Friday
Partly sunny, with a high near 52.
Friday Night
Partly cloudy, with a low around 34.
Saturday
Mostly sunny, with a high near 50.
Saturday Night
Partly cloudy, with a low around 34.
Sunday
Partly sunny, with a high near 48.
Sunday Night
Mostly cloudy, with a low around 35.
Monday
Partly sunny, with a high near 49.
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ABOUT THIS FORECAST

 
Point Forecast:
12 Miles SSW Salmon ID
 45.01°N 113.96°W (Elev. 4600 ft)
1:02 am MST Dec 9, 2025
1pm MST Dec 9, 2025-6pm MST Dec 15, 2025
 
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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