National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Prolonged Atmospheric River in the Northwest; Snow in the North-Central US

A prolonged atmospheric river will bring heavy rainfall which may lead to widespread urban and river flooding, heavy mountain snow, along with gusty winds to the Pacific Northwest into the northern Rockies through much of the week. A clipper will bring a period of snow across the upper Midwest and the Great Lakes into Tuesday, before a stronger system bring more wintry impacts. Read More >

Current conditions at

Ririe (ITD18)

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

NA

41°F

5°C

Humidity 72%
Wind Speed S 10 MPH
Barometer NA
Dewpoint 33°F (1°C)
Visibility 1.24 mi
Wind Chill35°F (2°C)
Last update 08 Dec 06:45 PM MST
Extended Forecast for

15 Miles NNW Swan Valley ID

  • Tonight

    Tonight: Snow likely, mainly after 3am. Cloudy, with a temperature rising to around 35 by 4am. Breezy, with a south southwest wind 15 to 22 mph, with gusts as high as 32 mph. Chance of precipitation is 60%. Total nighttime snow accumulation of less than a half inch possible.

    Low: 31 °F⇑

    Snow Likely
    and Breezy

  • Tuesday

    Tuesday: Rain likely, possibly mixed with snow, becoming all snow after 4pm. Cloudy, with a high near 37. Breezy, with a west southwest wind 15 to 23 mph, with gusts as high as 33 mph. Chance of precipitation is 70%. New snow accumulation of less than a half inch possible.

    High: 37 °F

    Snow Likely
    and Breezy
    then
    Rain/Snow
    Likely

  • Tuesday Night

    Tuesday Night: Snow before 2am, then rain, possibly mixed with snow. Temperature rising to around 38 by 5am. Southwest wind 15 to 20 mph, with gusts as high as 28 mph. Chance of precipitation is 80%. New snow accumulation of less than a half inch possible.

    Low: 34 °F⇑

    Snow then
    Rain/Snow

  • Wednesday

    Wednesday: Rain and snow likely, becoming all rain after 8am. Snow level 8200 feet rising to 8800 feet in the afternoon. Cloudy, with a high near 41. Southwest wind 14 to 18 mph, with gusts as high as 33 mph. Chance of precipitation is 70%. Little or no snow accumulation expected.

    High: 41 °F

    Rain/Snow
    Likely then
    Chance Rain

  • Wednesday Night

    Wednesday Night: A 30 percent chance of rain, mainly before 11pm. Snow level 8700 feet lowering to 7900 feet after midnight . Cloudy, with a low around 36. Southwest wind 14 to 16 mph, with gusts as high as 28 mph.

    Low: 36 °F

    Chance Rain

  • Thursday

    Thursday: A 30 percent chance of rain, mainly before 11am. Snow level 7600 feet. Mostly cloudy, with a high near 42.

    High: 42 °F

    Chance Rain

  • Thursday Night

    Thursday Night: A 20 percent chance of rain before 11pm. Snow level 7700 feet. Mostly cloudy, with a low around 35.

    Low: 35 °F

    Slight Chance
    Rain then
    Mostly Cloudy

  • Friday

    Friday: Mostly cloudy, with a high near 42.

    High: 42 °F

    Mostly Cloudy

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 31.

    Low: 31 °F

    Mostly Cloudy

Detailed Forecast

Tonight
Snow likely, mainly after 3am. Cloudy, with a temperature rising to around 35 by 4am. Breezy, with a south southwest wind 15 to 22 mph, with gusts as high as 32 mph. Chance of precipitation is 60%. Total nighttime snow accumulation of less than a half inch possible.
Tuesday
Rain likely, possibly mixed with snow, becoming all snow after 4pm. Cloudy, with a high near 37. Breezy, with a west southwest wind 15 to 23 mph, with gusts as high as 33 mph. Chance of precipitation is 70%. New snow accumulation of less than a half inch possible.
Tuesday Night
Snow before 2am, then rain, possibly mixed with snow. Temperature rising to around 38 by 5am. Southwest wind 15 to 20 mph, with gusts as high as 28 mph. Chance of precipitation is 80%. New snow accumulation of less than a half inch possible.
Wednesday
Rain and snow likely, becoming all rain after 8am. Snow level 8200 feet rising to 8800 feet in the afternoon. Cloudy, with a high near 41. Southwest wind 14 to 18 mph, with gusts as high as 33 mph. Chance of precipitation is 70%. Little or no snow accumulation expected.
Wednesday Night
A 30 percent chance of rain, mainly before 11pm. Snow level 8700 feet lowering to 7900 feet after midnight . Cloudy, with a low around 36. Southwest wind 14 to 16 mph, with gusts as high as 28 mph.
Thursday
A 30 percent chance of rain, mainly before 11am. Snow level 7600 feet. Mostly cloudy, with a high near 42.
Thursday Night
A 20 percent chance of rain before 11pm. Snow level 7700 feet. Mostly cloudy, with a low around 35.
Friday
Mostly cloudy, with a high near 42.
Friday Night
Mostly cloudy, with a low around 31.
Saturday
Mostly sunny, with a high near 42.
Saturday Night
Mostly cloudy, with a low around 29.
Sunday
Mostly sunny, with a high near 41.
Sunday Night
Mostly cloudy, with a low around 29.
Monday
A 30 percent chance of snow. Partly sunny, with a high near 38.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
15 Miles NNW Swan Valley ID
 43.62°N 111.46°W (Elev. 6900 ft)
Last Update:
4:32 pm MST Dec 8, 2025
Forecast Valid:
7pm MST Dec 8, 2025-6pm MST Dec 15, 2025
 
Forecast Discussion
 
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

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation