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.

NA

42°F

6°C

Humidity 89%
Wind Speed SSE 3 MPH
Barometer NA
Dewpoint 38°F (3°C)
Visibility 1.24 mi
Last update 10 Dec 04:30 AM MST
Extended Forecast for

2 Miles WNW Swan Valley ID

  • Overnight

    Overnight: Rain likely.  Snow level 7600 feet. Cloudy, with a low around 36. South southeast wind around 11 mph, with gusts as high as 22 mph.  Chance of precipitation is 70%.

    Low: 36 °F

    Rain Likely

  • Wednesday

    Wednesday: Rain likely, mainly before 10am.  Snow level 8300 feet rising to 9100 feet in the afternoon. Mostly cloudy, with a high near 46. South wind 10 to 15 mph, with gusts as high as 30 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. East southeast wind around 11 mph, with gusts as high as 20 mph.

    Low: 33 °F

    Mostly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 47. East southeast wind 9 to 11 mph becoming southwest in the afternoon. Winds could gust 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 47.

    High: 47 °F

    Partly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 29.

    Low: 29 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 47.

    High: 47 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 24.

    Low: 24 °F

    Mostly Clear

Detailed Forecast

Overnight
Rain likely. Snow level 7600 feet. Cloudy, with a low around 36. South southeast wind around 11 mph, with gusts as high as 22 mph. Chance of precipitation is 70%.
Wednesday
Rain likely, mainly before 10am. Snow level 8300 feet rising to 9100 feet in the afternoon. Mostly cloudy, with a high near 46. South wind 10 to 15 mph, with gusts as high as 30 mph. Chance of precipitation is 60%.
Wednesday Night
Mostly cloudy, with a low around 33. East southeast wind around 11 mph, with gusts as high as 20 mph.
Thursday
Mostly sunny, with a high near 47. East southeast wind 9 to 11 mph becoming southwest in the afternoon. Winds could gust 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 47.
Friday Night
Partly cloudy, with a low around 29.
Saturday
Mostly sunny, with a high near 47.
Saturday Night
Mostly clear, with a low around 24.
Sunday
Sunny, with a high near 49.
Sunday Night
Partly cloudy, with a low around 27.
Monday
Mostly sunny, with a high near 47.
Monday Night
A chance of rain and snow. Snow level 6400 feet. Mostly cloudy, with a low around 32. Chance of precipitation is 40%.
Tuesday
Rain likely, possibly mixed with snow. Snow level 6700 feet. Mostly cloudy, with a high near 45. Chance of precipitation is 60%.
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles WNW Swan Valley ID
 43.46°N 111.34°W (Elev. 5509 ft)
4:31 am MST Dec 10, 2025
4am MST Dec 10, 2025-6pm MST Dec 16, 2025
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database