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

Stanley, Stanley Ranger Station (KSNT)

Lat: 44.20861°NLon: 114.93444°WElev: 6496.0ft.

NA

34°F

1°C

Humidity 88%
Wind Speed SE 10 MPH
Barometer 30.2 in (1022.69 mb)
Dewpoint 31°F (-1°C)
Visibility NA
Wind Chill26°F (-3°C)
Last update 08 Dec 07:51 PM MST
Extended Forecast for

22 Miles WNW Ketchum ID

  • Tonight

    Tonight: Snow.  Temperature rising to around 30 by 3am. Breezy, with a west wind 14 to 19 mph increasing to 20 to 25 mph after midnight. Winds could gust as high as 36 mph.  Chance of precipitation is 90%. Total nighttime snow accumulation of 3 to 5 inches possible.

    Low: 26 °F

    Snow Likely
    then Snow and
    Breezy

  • Tuesday

    Tuesday: Snow, mainly before 2pm.  High near 31. Breezy, with a west wind 16 to 25 mph, with gusts as high as 36 mph.  Chance of precipitation is 80%. New snow accumulation of 2 to 4 inches possible.

    High: 31 °F

    Snow and
    Breezy

  • Tuesday Night

    Tuesday Night: Snow.  Temperature rising to around 33 by 4am. Breezy, with a west wind 16 to 23 mph, with gusts as high as 33 mph.  Chance of precipitation is 90%. New snow accumulation of 1 to 3 inches possible.

    Low: 27 °F

    Snow and
    Breezy

  • Wednesday

    Wednesday: Snow likely, mainly before 11am.  Mostly cloudy, with a high near 33. West wind 16 to 21 mph, with gusts as high as 33 mph.  Chance of precipitation is 70%. New snow accumulation of less than one inch possible.

    High: 33 °F

    Snow Likely
    then Chance
    Snow

  • Wednesday Night

    Wednesday Night: A 30 percent chance of snow, mainly before 11pm.  Mostly cloudy, with a low around 28. West northwest wind 14 to 18 mph, with gusts as high as 29 mph.  Little or no snow accumulation expected.

    Low: 28 °F

    Chance Snow

  • Thursday

    Thursday: A 20 percent chance of snow before 11am.  Partly sunny, with a high near 33.

    High: 33 °F

    Slight Chance
    Snow then
    Mostly Sunny

  • Thursday Night

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

    Low: 28 °F

    Mostly Cloudy

  • Friday

    Friday: Partly sunny, with a high near 33.

    High: 33 °F

    Partly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 23.

    Low: 23 °F

    Partly Cloudy

Detailed Forecast

Tonight
Snow. Temperature rising to around 30 by 3am. Breezy, with a west wind 14 to 19 mph increasing to 20 to 25 mph after midnight. Winds could gust as high as 36 mph. Chance of precipitation is 90%. Total nighttime snow accumulation of 3 to 5 inches possible.
Tuesday
Snow, mainly before 2pm. High near 31. Breezy, with a west wind 16 to 25 mph, with gusts as high as 36 mph. Chance of precipitation is 80%. New snow accumulation of 2 to 4 inches possible.
Tuesday Night
Snow. Temperature rising to around 33 by 4am. Breezy, with a west wind 16 to 23 mph, with gusts as high as 33 mph. Chance of precipitation is 90%. New snow accumulation of 1 to 3 inches possible.
Wednesday
Snow likely, mainly before 11am. Mostly cloudy, with a high near 33. West wind 16 to 21 mph, with gusts as high as 33 mph. Chance of precipitation is 70%. New snow accumulation of less than one inch possible.
Wednesday Night
A 30 percent chance of snow, mainly before 11pm. Mostly cloudy, with a low around 28. West northwest wind 14 to 18 mph, with gusts as high as 29 mph. Little or no snow accumulation expected.
Thursday
A 20 percent chance of snow before 11am. Partly sunny, with a high near 33.
Thursday Night
Mostly cloudy, with a low around 28.
Friday
Partly sunny, with a high near 33.
Friday Night
Partly cloudy, with a low around 23.
Saturday
Mostly sunny, with a high near 35.
Saturday Night
Partly cloudy, with a low around 22.
Sunday
A 20 percent chance of snow. Mostly sunny, with a high near 30.
Sunday Night
A 20 percent chance of snow. Mostly cloudy, with a low around 22.
Monday
A 30 percent chance of snow. Partly sunny, with a high near 30.
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ABOUT THIS FORECAST

 
Point Forecast:
22 Miles WNW Ketchum ID
 43.8°N 114.78°W (Elev. 9101 ft)
4:32 pm MST Dec 8, 2025
8pm MST Dec 8, 2025-6pm MST Dec 15, 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