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

36°F

2°C

Humidity 93%
Wind Speed NNW 4 MPH
Barometer 30.21 in (1023.03 mb)
Dewpoint 34°F (1°C)
Visibility 10.00 mi
Wind Chill33°F (1°C)
Last update 10 Dec 02:35 AM MST
Extended Forecast for

Sun Valley ID

  • Overnight

    Overnight: A 50 percent chance of rain, mainly before 5am.  Snow level 8600 feet. Mostly cloudy, with a low around 33. South wind around 6 mph.

    Low: 33 °F

    Chance Rain

  • Wednesday

    Wednesday: Mostly cloudy, then gradually becoming sunny, with a high near 49. South wind 7 to 10 mph becoming west northwest in the morning.

    High: 49 °F

    Decreasing
    Clouds

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 28. North wind around 8 mph.

    Low: 28 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 49. North wind 7 to 10 mph becoming west in the afternoon.

    High: 49 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 28. Northwest wind 6 to 8 mph.

    Low: 28 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 49.

    High: 49 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 25.

    Low: 25 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 50.

    High: 50 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 24.

    Low: 24 °F

    Mostly Clear

Detailed Forecast

Overnight
A 50 percent chance of rain, mainly before 5am. Snow level 8600 feet. Mostly cloudy, with a low around 33. South wind around 6 mph.
Wednesday
Mostly cloudy, then gradually becoming sunny, with a high near 49. South wind 7 to 10 mph becoming west northwest in the morning.
Wednesday Night
Partly cloudy, with a low around 28. North wind around 8 mph.
Thursday
Mostly sunny, with a high near 49. North wind 7 to 10 mph becoming west in the afternoon.
Thursday Night
Partly cloudy, with a low around 28. Northwest wind 6 to 8 mph.
Friday
Mostly sunny, with a high near 49.
Friday Night
Mostly clear, with a low around 25.
Saturday
Sunny, with a high near 50.
Saturday Night
Mostly clear, with a low around 24.
Sunday
Sunny, with a high near 49.
Sunday Night
Partly cloudy, with a low around 26.
Monday
A slight chance of rain and snow. Snow level rising to 6700 feet in the afternoon. Mostly sunny, with a high near 46. Chance of precipitation is 20%.
Monday Night
Rain and snow likely. Snow level 7100 feet. Mostly cloudy, with a low around 29. Chance of precipitation is 60%.
Tuesday
A chance of rain and snow. Snow level 6900 feet. Partly sunny, with a high near 44. Chance of precipitation is 50%.
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ABOUT THIS FORECAST

 
Point Forecast:
Sun Valley ID
 43.67°N 114.33°W (Elev. 6014 ft)
1:02 am MST Dec 10, 2025
2am MST Dec 10, 2025-6pm MST Dec 16, 2025
 
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Additional Resources

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