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

Strong Atmospheric River Bringing Heavy Rain to the Pacific Northwest; Areas of Snow in the North-Central and Eastern U.S.

A strong atmospheric river will bring prolonged heavy rainfall along with gusty winds to the Pacific Northwest through much of this week. The heavy rainfall may lead to widespread urban and river flooding. Accumulating snow is expected over parts of the central Appalachians and Mid-Atlantic today as well as the Upper Midwest and the Upper Great Lakes this evening into Tuesday. Read More >

Current conditions at

Ririe (ITD18)

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

NA

39°F

4°C

Humidity 80%
Wind Speed SW 11 MPH
Barometer NA
Dewpoint 33°F (1°C)
Visibility 1.24 mi
Wind Chill32°F (0°C)
Last update 08 Dec 01:30 PM MST
Extended Forecast for

2 Miles NW Swan Valley ID

  • This Afternoon

    This Afternoon: A chance of rain and snow. Snow level 5900 feet. Mostly cloudy, with a high near 38. South southwest wind 11 to 14 mph, with gusts as high as 22 mph. Chance of precipitation is 40%. Little or no snow accumulation expected.

    High: 38 °F

    Chance
    Rain/Snow

  • Tonight

    Tonight: A chance of rain before 3am, then rain and snow likely. Snow level 6200 feet. Cloudy, with a steady temperature around 36. South southeast wind 13 to 21 mph, with gusts as high as 29 mph. Chance of precipitation is 60%. Little or no snow accumulation expected.

    Low: 36 °F

    Chance Rain
    then
    Rain/Snow
    Likely

  • Tuesday

    Tuesday: Rain and snow likely before noon, then rain between noon and 5pm, then rain, possibly mixed with snow after 5pm. Snow level 7000 feet. High near 42. Breezy, with a south southwest wind 16 to 24 mph becoming west in the afternoon. Winds could gust as high as 34 mph. Chance of precipitation is 80%. Little or no snow accumulation expected.

    High: 42 °F

    Rain/Snow and
    Breezy

  • Tuesday Night

    Tuesday Night: Rain and snow, becoming all rain after 2am. Snow level 6700 feet rising to 7300 feet after midnight. Low around 36. Southwest wind 15 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 11am. Snow level 8700 feet. Cloudy, with a high near 46. Southwest wind 16 to 20 mph, with gusts as high as 37 mph. Chance of precipitation is 70%.

    High: 46 °F

    Rain Likely

  • Wednesday Night

    Wednesday Night: A 30 percent chance of rain, mainly before 11pm. Snow level 8700 feet lowering to 8000 feet after midnight . Mostly cloudy, with a low around 36.

    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 48.

    High: 48 °F

    Chance Rain

  • Thursday Night

    Thursday Night: A 20 percent chance of rain before 11pm. Snow level 7800 feet. Mostly cloudy, with a low around 35.

    Low: 35 °F

    Slight Chance
    Rain then
    Mostly Cloudy

  • Friday

    Friday: Partly sunny, with a high near 47.

    High: 47 °F

    Partly Sunny

Detailed Forecast

This Afternoon
A chance of rain and snow. Snow level 5900 feet. Mostly cloudy, with a high near 38. South southwest wind 11 to 14 mph, with gusts as high as 22 mph. Chance of precipitation is 40%. Little or no snow accumulation expected.
Tonight
A chance of rain before 3am, then rain and snow likely. Snow level 6200 feet. Cloudy, with a steady temperature around 36. South southeast wind 13 to 21 mph, with gusts as high as 29 mph. Chance of precipitation is 60%. Little or no snow accumulation expected.
Tuesday
Rain and snow likely before noon, then rain between noon and 5pm, then rain, possibly mixed with snow after 5pm. Snow level 7000 feet. High near 42. Breezy, with a south southwest wind 16 to 24 mph becoming west in the afternoon. Winds could gust as high as 34 mph. Chance of precipitation is 80%. Little or no snow accumulation expected.
Tuesday Night
Rain and snow, becoming all rain after 2am. Snow level 6700 feet rising to 7300 feet after midnight. Low around 36. Southwest wind 15 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 11am. Snow level 8700 feet. Cloudy, with a high near 46. Southwest wind 16 to 20 mph, with gusts as high as 37 mph. Chance of precipitation is 70%.
Wednesday Night
A 30 percent chance of rain, mainly before 11pm. Snow level 8700 feet lowering to 8000 feet after midnight . Mostly cloudy, with a low around 36.
Thursday
A 30 percent chance of rain, mainly before 11am. Snow level 7600 feet. Mostly cloudy, with a high near 48.
Thursday Night
A 20 percent chance of rain before 11pm. Snow level 7800 feet. Mostly cloudy, with a low around 35.
Friday
Partly sunny, 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 29.
Sunday
Mostly sunny, with a high near 46.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
2 Miles NW Swan Valley ID
 43.46°N 111.34°W (Elev. 5509 ft)
Last Update:
1:04 pm MST Dec 8, 2025
Forecast Valid:
1pm MST Dec 8, 2025-6pm MST Dec 14, 2025
 
Forecast Discussion
 
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Additional Resources

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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