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.

Partly Cloudy

36°F

2°C

Humidity 93%
Wind Speed N 0 MPH
Barometer 30.19 in (1022.35 mb)
Dewpoint 34°F (1°C)
Visibility 10.00 mi
Last update 09 Dec 07:47 PM MST
Extended Forecast for

19 Miles ENE Sun Valley ID

  • Tonight

    Tonight: A 50 percent chance of snow, mainly before 5am.  Mostly cloudy, with a temperature rising to around 28 by 3am. Blustery, with a west wind 18 to 23 mph increasing to 24 to 29 mph after midnight. Winds could gust as high as 39 mph.  Total nighttime snow accumulation of less than a half inch possible.

    Low: 24 °F

    Chance Snow
    and Blustery

  • Wednesday

    Wednesday: Mostly sunny, with a temperature falling to around 27 by 5pm. Windy, with a west northwest wind 22 to 30 mph, with gusts as high as 44 mph.

    High: 30 °F

    Mostly Sunny
    and Windy

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a steady temperature around 26. Breezy, with a west wind 22 to 29 mph, with gusts as high as 39 mph.

    Low: 26 °F

    Partly Cloudy
    and Breezy

  • Thursday

    Thursday: Mostly sunny, with a high near 29. Breezy, with a west northwest wind 20 to 25 mph decreasing to 14 to 19 mph in the morning. Winds could gust as high as 29 mph.

    High: 29 °F

    Mostly Sunny
    and Breezy
    then Mostly
    Sunny

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 23. West northwest wind 14 to 17 mph, with gusts as high as 21 mph.

    Low: 23 °F

    Mostly Cloudy

  • Friday

    Friday: Partly sunny, with a high near 28.

    High: 28 °F

    Partly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 20.

    Low: 20 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 28.

    High: 28 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 21.

    Low: 21 °F

    Partly Cloudy

Detailed Forecast

Tonight
A 50 percent chance of snow, mainly before 5am. Mostly cloudy, with a temperature rising to around 28 by 3am. Blustery, with a west wind 18 to 23 mph increasing to 24 to 29 mph after midnight. Winds could gust as high as 39 mph. Total nighttime snow accumulation of less than a half inch possible.
Wednesday
Mostly sunny, with a temperature falling to around 27 by 5pm. Windy, with a west northwest wind 22 to 30 mph, with gusts as high as 44 mph.
Wednesday Night
Partly cloudy, with a steady temperature around 26. Breezy, with a west wind 22 to 29 mph, with gusts as high as 39 mph.
Thursday
Mostly sunny, with a high near 29. Breezy, with a west northwest wind 20 to 25 mph decreasing to 14 to 19 mph in the morning. Winds could gust as high as 29 mph.
Thursday Night
Mostly cloudy, with a low around 23. West northwest wind 14 to 17 mph, with gusts as high as 21 mph.
Friday
Partly sunny, with a high near 28.
Friday Night
Partly cloudy, with a low around 20.
Saturday
Mostly sunny, with a high near 28.
Saturday Night
Partly cloudy, with a low around 21.
Sunday
Mostly sunny, with a high near 26.
Sunday Night
Mostly cloudy, with a low around 20.
Monday
A 20 percent chance of snow. Partly sunny, with a high near 25.
Monday Night
A 40 percent chance of snow. Mostly cloudy, with a low around 21.
Tuesday
A 50 percent chance of snow. Partly sunny, with a high near 24.
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ABOUT THIS FORECAST

 
Point Forecast:
19 Miles ENE Sun Valley ID
 43.79°N 113.99°W (Elev. 10863 ft)
4:31 pm MST Dec 9, 2025
8pm 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