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.

unknown precip

45°F

7°C

Humidity 63%
Wind Speed NNE 4 MPH
Barometer NA
Dewpoint 33°F (1°C)
Visibility 1.24 mi
Wind Chill43°F (6°C)
Last update 09 Dec 06:00 PM MST
Extended Forecast for

13 Miles SSW Irwin ID

  • Tonight

    Tonight: Snow.  Low around 31. Breezy, with a west southwest wind 18 to 22 mph, with gusts as high as 32 mph.  Chance of precipitation is 80%. Total nighttime snow accumulation of 1 to 2 inches possible.

    Low: 31 °F

    Snow and
    Breezy

  • Wednesday

    Wednesday: Rain and snow likely before 11am, then a chance of rain between 11am and 4pm.  Snow level 8600 feet. Mostly cloudy, with a high near 34. West southwest wind 16 to 21 mph, with gusts as high as 31 mph.  Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.

    High: 34 °F

    Rain/Snow
    Likely then
    Slight Chance
    Rain

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 28. South southwest wind around 17 mph, with gusts as high as 25 mph.

    Low: 28 °F

    Mostly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 34. Southwest wind 10 to 14 mph.

    High: 34 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 28. South southwest wind around 11 mph.

    Low: 28 °F

    Mostly Cloudy

  • Friday

    Friday: Partly sunny, with a high near 33.

    High: 33 °F

    Partly Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 25.

    Low: 25 °F

    Mostly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 32.

    High: 32 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 22.

    Low: 22 °F

    Partly Cloudy

Detailed Forecast

Tonight
Snow. Low around 31. Breezy, with a west southwest wind 18 to 22 mph, with gusts as high as 32 mph. Chance of precipitation is 80%. Total nighttime snow accumulation of 1 to 2 inches possible.
Wednesday
Rain and snow likely before 11am, then a chance of rain between 11am and 4pm. Snow level 8600 feet. Mostly cloudy, with a high near 34. West southwest wind 16 to 21 mph, with gusts as high as 31 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.
Wednesday Night
Mostly cloudy, with a low around 28. South southwest wind around 17 mph, with gusts as high as 25 mph.
Thursday
Mostly sunny, with a high near 34. Southwest wind 10 to 14 mph.
Thursday Night
Mostly cloudy, with a low around 28. South southwest wind around 11 mph.
Friday
Partly sunny, with a high near 33.
Friday Night
Mostly cloudy, with a low around 25.
Saturday
Mostly sunny, with a high near 32.
Saturday Night
Partly cloudy, with a low around 22.
Sunday
Mostly sunny, with a high near 33.
Sunday Night
Partly cloudy, with a low around 24.
Monday
A 20 percent chance of snow. Mostly sunny, with a high near 32.
Monday Night
A 30 percent chance of snow. Mostly cloudy, with a low around 27.
Tuesday
A 50 percent chance of snow. Mostly cloudy, with a high near 30.
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ABOUT THIS FORECAST

 
Point Forecast:
13 Miles SSW Irwin ID
 43.22°N 111.33°W (Elev. 7940 ft)
4:31 pm MST Dec 9, 2025
6pm MST Dec 9, 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