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

Hailey, Friedman Memorial Airport (KSUN)

Lat: 43.5°NLon: 114.3°WElev: 5318.0ft.

Overcast

37°F

3°C

Humidity 86%
Wind Speed N 0 MPH
Barometer 30.2 in (1022.69 mb)
Dewpoint 34°F (1°C)
Visibility 10.00 mi
Last update 09 Dec 11:35 PM MST
Extended Forecast for

11 Miles ENE Sun Valley ID

  • Tonight

    Tonight: A 50 percent chance of snow, mainly before 5am.  Mostly cloudy, with a low around 22. Blustery, with a west wind 23 to 29 mph, with gusts as high as 39 mph.  Total nighttime snow accumulation of less than one inch possible.

    Low: 22 °F

    Chance Snow
    and Blustery

  • Wednesday

    Wednesday: Mostly cloudy, then gradually becoming sunny, with a temperature falling to around 25 by 5pm. Windy, with a west wind 21 to 30 mph, with gusts as high as 40 mph.

    High: 28 °F

    Decreasing
    Clouds and
    Windy

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 22. Breezy, with a west wind 22 to 29 mph, with gusts as high as 39 mph.

    Low: 22 °F

    Partly Cloudy
    and Breezy

  • Thursday

    Thursday: Mostly sunny, with a high near 28. Blustery, with a west northwest wind 14 to 24 mph.

    High: 28 °F

    Sunny and
    Blustery then
    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 22. West northwest wind 14 to 18 mph, with gusts as high as 21 mph.

    Low: 22 °F

    Mostly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 27.

    High: 27 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 19.

    Low: 19 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 27.

    High: 27 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 19.

    Low: 19 °F

    Partly Cloudy

Detailed Forecast

Tonight
A 50 percent chance of snow, mainly before 5am. Mostly cloudy, with a low around 22. Blustery, with a west wind 23 to 29 mph, with gusts as high as 39 mph. Total nighttime snow accumulation of less than one inch possible.
Wednesday
Mostly cloudy, then gradually becoming sunny, with a temperature falling to around 25 by 5pm. Windy, with a west wind 21 to 30 mph, with gusts as high as 40 mph.
Wednesday Night
Partly cloudy, with a low around 22. Breezy, with a west wind 22 to 29 mph, with gusts as high as 39 mph.
Thursday
Mostly sunny, with a high near 28. Blustery, with a west northwest wind 14 to 24 mph.
Thursday Night
Mostly cloudy, with a low around 22. West northwest wind 14 to 18 mph, with gusts as high as 21 mph.
Friday
Mostly sunny, with a high near 27.
Friday Night
Partly cloudy, with a low around 19.
Saturday
Mostly sunny, with a high near 27.
Saturday Night
Partly cloudy, with a low around 19.
Sunday
Mostly sunny, with a high near 24.
Sunday Night
Mostly cloudy, with a low around 18.
Monday
A 20 percent chance of snow. Partly sunny, with a high near 22.
Monday Night
A 40 percent chance of snow. Mostly cloudy, with a low around 19.
Tuesday
A 50 percent chance of snow. Partly sunny, with a high near 22.
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ABOUT THIS FORECAST

 
Point Forecast:
11 Miles ENE Sun Valley ID
 43.76°N 114.13°W (Elev. 11424 ft)
10:31 pm MST Dec 9, 2025
11pm MST Dec 9, 2025-6pm MST Dec 16, 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