Prolonged Atmospheric River Will Impact the Northwest Early this Week

A weather system in the Pacific Northwest will produce rain throughout the day, before a potent atmospheric river produces a prolonged round of heavy rainfall, widespread urban and river flooding, and high elevation snow to the region Monday through Wednesday. Showers and thunderstorms may produce isolated damaging winds, a brief tornado, and locally heavy rainfall across parts of Florida today. Read More >

Hazardous Weather Conditions

Current conditions at

Salmon, Lemhi County Airport (KSMN)

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

Overcast

35°F

2°C

Humidity 75%
Wind Speed N 3 MPH
Barometer 30.1 in (1019.3 mb)
Dewpoint 28°F (-2°C)
Visibility 10.00 mi
Last update 07 Dec 01:56 PM MST
Extended Forecast for

12 Miles SSW Salmon ID

  • This Afternoon

    This Afternoon: Rain and snow likely, mainly after 5pm.  Snow level 4700 feet rising to 5300 feet. Mostly cloudy, with a high near 39. South southwest wind around 11 mph, with gusts as high as 18 mph.  Chance of precipitation is 60%. Little or no snow accumulation expected.

    High: 39 °F

    Rain/Snow
    Likely

  • Tonight

    Tonight: Rain and snow likely, mainly before 8pm.  Snow level 5700 feet lowering to 5200 feet after midnight . Mostly cloudy, with a low around 33. South southwest wind around 10 mph, with gusts as high as 20 mph.  Chance of precipitation is 60%. Little or no snow accumulation expected.

    Low: 33 °F

    Rain/Snow
    Likely then
    Mostly Cloudy

  • Monday

    Monday: A 30 percent chance of rain after 11am.  Snow level 5100 feet rising to 6400 feet in the afternoon. Mostly cloudy, with a high near 45. South southwest wind 10 to 14 mph, with gusts as high as 21 mph.

    High: 45 °F

    Chance Rain

  • Monday Night

    Monday Night: Rain.  Low around 40. South southwest wind 13 to 15 mph, with gusts as high as 29 mph.  Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 40 °F

    Rain

  • Tuesday

    Tuesday: Rain.  High near 46. West wind 10 to 15 mph, with gusts as high as 30 mph.  Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 46 °F

    Rain

  • Tuesday Night

    Tuesday Night: Rain likely before 8pm, then rain, possibly mixed with snow between 8pm and 2am, then rain after 2am.  Low around 37. Chance of precipitation is 90%. Little or no snow accumulation expected.

    Low: 37 °F

    Rain/Snow

  • Wednesday

    Wednesday: Rain.  High near 47. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 47 °F

    Rain

  • Wednesday Night

    Wednesday Night: Rain likely, possibly mixed with snow, mainly before 11pm.  Mostly cloudy, with a low around 34.

    Low: 34 °F

    Rain/Snow
    Likely

  • Thursday

    Thursday: A chance of rain and snow.  Partly sunny, with a high near 42.

    High: 42 °F

    Chance
    Rain/Snow

Detailed Forecast

This Afternoon
Rain and snow likely, mainly after 5pm. Snow level 4700 feet rising to 5300 feet. Mostly cloudy, with a high near 39. South southwest wind around 11 mph, with gusts as high as 18 mph. Chance of precipitation is 60%. Little or no snow accumulation expected.
Tonight
Rain and snow likely, mainly before 8pm. Snow level 5700 feet lowering to 5200 feet after midnight . Mostly cloudy, with a low around 33. South southwest wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 60%. Little or no snow accumulation expected.
Monday
A 30 percent chance of rain after 11am. Snow level 5100 feet rising to 6400 feet in the afternoon. Mostly cloudy, with a high near 45. South southwest wind 10 to 14 mph, with gusts as high as 21 mph.
Monday Night
Rain. Low around 40. South southwest wind 13 to 15 mph, with gusts as high as 29 mph. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.
Tuesday
Rain. High near 46. West wind 10 to 15 mph, with gusts as high as 30 mph. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.
Tuesday Night
Rain likely before 8pm, then rain, possibly mixed with snow between 8pm and 2am, then rain after 2am. Low around 37. Chance of precipitation is 90%. Little or no snow accumulation expected.
Wednesday
Rain. High near 47. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.
Wednesday Night
Rain likely, possibly mixed with snow, mainly before 11pm. Mostly cloudy, with a low around 34.
Thursday
A chance of rain and snow. Partly sunny, with a high near 42.
Thursday Night
A slight chance of rain and snow before 11pm. Mostly cloudy, with a low around 29.
Friday
Partly sunny, with a high near 45.
Friday Night
Mostly cloudy, with a low around 31.
Saturday
Mostly sunny, with a high near 47.
Basemap Options
Click map to change the forecast location
Loading map...

ABOUT THIS FORECAST

 
Point Forecast:
12 Miles SSW Salmon ID
 45.01°N 113.96°W (Elev. 4600 ft)
1:01 pm MST Dec 7, 2025
2pm MST Dec 7, 2025-6pm MST Dec 13, 2025
 
Get as KML Get as XML

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database