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 >

Current conditions at

Ririe (ITD18)

Lat: 43.6111°NLon: 111.70531°WElev: 5106.0ft.

NA

37°F

3°C

Humidity 72%
Wind Speed SSE 9 MPH
Barometer NA
Dewpoint 28°F (-2°C)
Visibility 1.24 mi
Wind Chill30°F (-1°C)
Last update 07 Dec 08:15 PM MST
Extended Forecast for

Swan Valley ID

  • Tonight

    Tonight: Snow before 11pm, then rain and snow likely.  Snow level rising to 5800 feet after midnight. Low around 30. Southeast wind around 10 mph, with gusts as high as 21 mph.  Chance of precipitation is 90%. Little or no snow accumulation expected.

    Low: 30 °F

    Rain/Snow

  • Monday

    Monday: Rain and snow likely before 8am, then a chance of snow between 8am and 11am, then a chance of rain and snow after 11am.  Snow level 5700 feet. Cloudy, with a high near 38. Northwest wind 10 to 13 mph becoming south southeast in the afternoon. Winds could gust as high as 22 mph.  Chance of precipitation is 60%. Little or no snow accumulation expected.

    High: 38 °F

    Rain/Snow
    Likely

  • Monday Night

    Monday Night: Rain likely, possibly mixed with snow, becoming all rain after 2am.  Snow level 6000 feet. Cloudy, with a low around 33. South southwest wind 9 to 16 mph, with gusts as high as 30 mph.  Chance of precipitation is 60%. Little or no snow accumulation expected.

    Low: 33 °F

    Rain/Snow
    Likely

  • Tuesday

    Tuesday: Rain.  Snow level 7000 feet. High near 42. Southwest wind 15 to 20 mph, with gusts as high as 36 mph.  Chance of precipitation is 80%.

    High: 42 °F

    Rain

  • Tuesday Night

    Tuesday Night: Rain.  Snow level 7200 feet rising to 8000 feet after midnight. Low around 37. Southwest wind 14 to 18 mph, with gusts as high as 33 mph.  Chance of precipitation is 80%.

    Low: 37 °F

    Rain

  • Wednesday

    Wednesday: Rain.  Snow level 8400 feet. High near 47. Breezy.  Chance of precipitation is 80%.

    High: 47 °F

    Rain and
    Breezy

  • Wednesday Night

    Wednesday Night: Rain likely, mainly before 11pm.  Snow level 8200 feet. Cloudy, with a low around 38. Chance of precipitation is 60%.

    Low: 38 °F

    Rain Likely

  • Thursday

    Thursday: A 50 percent chance of rain.  Snow level 7700 feet. Mostly cloudy, with a high near 47.

    High: 47 °F

    Chance Rain

  • Thursday Night

    Thursday Night: A 30 percent chance of rain, mainly before 11pm.  Snow level 7700 feet. Mostly cloudy, with a low around 34.

    Low: 34 °F

    Chance Rain

Detailed Forecast

Tonight
Snow before 11pm, then rain and snow likely. Snow level rising to 5800 feet after midnight. Low around 30. Southeast wind around 10 mph, with gusts as high as 21 mph. Chance of precipitation is 90%. Little or no snow accumulation expected.
Monday
Rain and snow likely before 8am, then a chance of snow between 8am and 11am, then a chance of rain and snow after 11am. Snow level 5700 feet. Cloudy, with a high near 38. Northwest wind 10 to 13 mph becoming south southeast in the afternoon. Winds could gust as high as 22 mph. Chance of precipitation is 60%. Little or no snow accumulation expected.
Monday Night
Rain likely, possibly mixed with snow, becoming all rain after 2am. Snow level 6000 feet. Cloudy, with a low around 33. South southwest wind 9 to 16 mph, with gusts as high as 30 mph. Chance of precipitation is 60%. Little or no snow accumulation expected.
Tuesday
Rain. Snow level 7000 feet. High near 42. Southwest wind 15 to 20 mph, with gusts as high as 36 mph. Chance of precipitation is 80%.
Tuesday Night
Rain. Snow level 7200 feet rising to 8000 feet after midnight. Low around 37. Southwest wind 14 to 18 mph, with gusts as high as 33 mph. Chance of precipitation is 80%.
Wednesday
Rain. Snow level 8400 feet. High near 47. Breezy. Chance of precipitation is 80%.
Wednesday Night
Rain likely, mainly before 11pm. Snow level 8200 feet. Cloudy, with a low around 38. Chance of precipitation is 60%.
Thursday
A 50 percent chance of rain. Snow level 7700 feet. Mostly cloudy, with a high near 47.
Thursday Night
A 30 percent chance of rain, mainly before 11pm. Snow level 7700 feet. Mostly cloudy, with a low around 34.
Friday
A 20 percent chance of rain. Snow level 7400 feet. Mostly cloudy, with a high near 47.
Friday Night
Mostly cloudy, with a low around 30.
Saturday
Mostly sunny, with a high near 48.
Saturday Night
Partly cloudy, with a low around 28.
Sunday
A 10 percent chance of rain. Snow level 5700 feet rising to 6500 feet in the afternoon. Mostly sunny, with a high near 47.
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ABOUT THIS FORECAST

 
Point Forecast:
Swan Valley ID
 43.46°N 111.34°W (Elev. 5509 ft)
4:31 pm MST Dec 7, 2025
8pm MST Dec 7, 2025-6pm MST Dec 14, 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