Prolonged Atmospheric River in the Pacific Northwest; Snow and High Winds from the Upper Midwest into the Northeast

A prolonged atmospheric river will continue to impact the Pacific Northwest into the Northern Rockies with heavy rainfall, areas of urban and river flooding, landslides, heavy mountain snow, and gusty winds into Thursday. A strong clipper system will bring the threat of heavy snow and high winds across the Upper Midwest/Great Lakes as well as portions of the interior Northeast and Appalachians. Read More >

Current conditions at

Ririe (ITD18)

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

Rain

38°F

3°C

Humidity 86%
Wind Speed SE 10 MPH
Barometer NA
Dewpoint 34°F (1°C)
Visibility 1.24 mi
Wind Chill31°F (-1°C)
Last update 10 Dec 12:30 AM MST
Extended Forecast for

2 Miles NW Swan Valley ID

  • Overnight

    Overnight: Rain likely, possibly mixed with snow before 1am, then rain.  Snow level 7000 feet rising to 8200 feet. Low around 36. South wind 13 to 18 mph, with gusts as high as 26 mph.  Chance of precipitation is 80%. Little or no snow accumulation expected.

    Low: 36 °F

    Rain/Snow

  • Wednesday

    Wednesday: Rain likely, mainly before 8am.  Mostly cloudy, with a high near 46. South wind 14 to 21 mph, with gusts as high as 31 mph.  Chance of precipitation is 60%.

    High: 46 °F

    Rain Likely
    then Chance
    Rain

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 33. South wind around 14 mph, with gusts as high as 22 mph.

    Low: 33 °F

    Mostly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 47. Southwest wind 9 to 11 mph, with gusts as high as 21 mph.

    High: 47 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 32. South wind around 8 mph.

    Low: 32 °F

    Mostly Cloudy

  • Friday

    Friday: Partly sunny, with a high near 46.

    High: 46 °F

    Partly Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 28.

    Low: 28 °F

    Mostly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 46.

    High: 46 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 27.

    Low: 27 °F

    Partly Cloudy

Detailed Forecast

Overnight
Rain likely, possibly mixed with snow before 1am, then rain. Snow level 7000 feet rising to 8200 feet. Low around 36. South wind 13 to 18 mph, with gusts as high as 26 mph. Chance of precipitation is 80%. Little or no snow accumulation expected.
Wednesday
Rain likely, mainly before 8am. Mostly cloudy, with a high near 46. South wind 14 to 21 mph, with gusts as high as 31 mph. Chance of precipitation is 60%.
Wednesday Night
Mostly cloudy, with a low around 33. South wind around 14 mph, with gusts as high as 22 mph.
Thursday
Mostly sunny, with a high near 47. Southwest wind 9 to 11 mph, with gusts as high as 21 mph.
Thursday Night
Mostly cloudy, with a low around 32. South wind around 8 mph.
Friday
Partly sunny, with a high near 46.
Friday Night
Mostly cloudy, with a low around 28.
Saturday
Mostly sunny, with a high near 46.
Saturday Night
Partly cloudy, with a low around 27.
Sunday
Mostly sunny, with a high near 47.
Sunday Night
Partly cloudy, with a low around 28.
Monday
A slight chance of rain and snow. Snow level rising to 6400 feet in the afternoon. Mostly sunny, with a high near 46. Chance of precipitation is 20%.
Monday Night
A chance of rain and snow. Snow level 6100 feet. Mostly cloudy, with a low around 30. Chance of precipitation is 30%.
Tuesday
A chance of rain and snow. Snow level 6100 feet. Mostly cloudy, with a high near 43. Chance of precipitation is 50%.
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles NW Swan Valley ID
 43.46°N 111.34°W (Elev. 5509 ft)
10:31 pm MST Dec 9, 2025
12am MST Dec 10, 2025-6pm MST Dec 16, 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