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

Significant Severe Weather in the Upper Midwest; Blizzard Conditions in the Cascades; Heavy Rain and Thunderstorms in Hawaii

Significant severe thunderstorms, including the risk for strong to intense tornadoes, are expected across the Upper Midwest this afternoon and evening. An atmospheric river will bring blizzard conditions to the northern Cascades. A powerful Kona storm is expected to impact Hawaii today into Saturday, bringing heavy rainfall and strong winds. Read More >

Current conditions at

Hailey, Friedman Memorial Airport (KSUN)

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

Mostly Cloudy

36°F

2°C

Humidity 27%
Wind Speed W 13 MPH
Barometer 29.97 in (1014.9 mb)
Dewpoint 5°F (-15°C)
Visibility 10.00 mi
Wind Chill27°F (-3°C)
Last update 10 Mar 02:47 PM MDT
Extended Forecast for

Sun Valley ID

  • Tonight

    Tonight: Mostly clear, with a low around 11. West northwest wind 5 to 13 mph becoming north after midnight. Winds could gust as high as 21 mph.

    Low: 11 °F

    Mostly Clear

  • Wednesday

    Wednesday: A 20 percent chance of snow after 5pm. Increasing clouds, with a high near 40. East northeast wind 5 to 11 mph becoming south southwest in the afternoon. Winds could gust as high as 18 mph.

    High: 40 °F

    Sunny then
    Slight Chance
    Snow

  • Wednesday Night

    Wednesday Night: A 50 percent chance of snow. Mostly cloudy, with a low around 28. West southwest wind 7 to 10 mph, with gusts as high as 18 mph. New snow accumulation of less than a half inch possible.

    Low: 28 °F

    Chance Snow

  • Thursday

    Thursday: A chance of snow before noon, then a chance of rain and snow between noon and 3pm, then a chance of rain after 3pm. Partly sunny, with a high near 46. West wind 13 to 18 mph, with gusts as high as 26 mph. Chance of precipitation is 50%. New snow accumulation of less than a half inch possible.

    High: 46 °F

    Chance Snow
    then Chance
    Rain/Snow

  • Thursday Night

    Thursday Night: A chance of rain before 3am, then a chance of rain and snow. Snow level 6900 feet. Mostly cloudy, with a low around 32. West wind 9 to 16 mph, with gusts as high as 24 mph. Chance of precipitation is 40%. Little or no snow accumulation expected.

    Low: 32 °F

    Chance Rain
    then Chance
    Rain/Snow

  • Friday

    Friday: A chance of rain and snow before noon, then a chance of rain. Snow level 6600 feet rising to 7200 feet in the afternoon. Partly sunny, with a high near 50. Chance of precipitation is 40%. Little or no snow accumulation expected.

    High: 50 °F

    Chance
    Rain/Snow
    then Chance
    Rain

  • Friday Night

    Friday Night: A 50 percent chance of rain. Snow level 7300 feet. Mostly cloudy, with a low around 33.

    Low: 33 °F

    Chance Rain

  • Saturday

    Saturday: Rain likely before 9am, then rain and snow likely between 9am and 3pm, then a chance of snow after 3pm. Snow level 7000 feet lowering to 6400 feet in the afternoon . Mostly cloudy, with a high near 45. Chance of precipitation is 70%.

    High: 45 °F

    Rain/Snow
    Likely then
    Chance
    Rain/Snow

  • Saturday Night

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

    Low: 21 °F

    Partly Cloudy

Detailed Forecast

Tonight
Mostly clear, with a low around 11. West northwest wind 5 to 13 mph becoming north after midnight. Winds could gust as high as 21 mph.
Wednesday
A 20 percent chance of snow after 5pm. Increasing clouds, with a high near 40. East northeast wind 5 to 11 mph becoming south southwest in the afternoon. Winds could gust as high as 18 mph.
Wednesday Night
A 50 percent chance of snow. Mostly cloudy, with a low around 28. West southwest wind 7 to 10 mph, with gusts as high as 18 mph. New snow accumulation of less than a half inch possible.
Thursday
A chance of snow before noon, then a chance of rain and snow between noon and 3pm, then a chance of rain after 3pm. Partly sunny, with a high near 46. West wind 13 to 18 mph, with gusts as high as 26 mph. Chance of precipitation is 50%. New snow accumulation of less than a half inch possible.
Thursday Night
A chance of rain before 3am, then a chance of rain and snow. Snow level 6900 feet. Mostly cloudy, with a low around 32. West wind 9 to 16 mph, with gusts as high as 24 mph. Chance of precipitation is 40%. Little or no snow accumulation expected.
Friday
A chance of rain and snow before noon, then a chance of rain. Snow level 6600 feet rising to 7200 feet in the afternoon. Partly sunny, with a high near 50. Chance of precipitation is 40%. Little or no snow accumulation expected.
Friday Night
A 50 percent chance of rain. Snow level 7300 feet. Mostly cloudy, with a low around 33.
Saturday
Rain likely before 9am, then rain and snow likely between 9am and 3pm, then a chance of snow after 3pm. Snow level 7000 feet lowering to 6400 feet in the afternoon . Mostly cloudy, with a high near 45. Chance of precipitation is 70%.
Saturday Night
Partly cloudy, with a low around 21.
Sunday
Partly sunny, with a high near 44.
Sunday Night
Mostly cloudy, with a low around 27.
Monday
A slight chance of rain and snow. Snow level rising to 8400 feet in the afternoon. Partly sunny, with a high near 57. Chance of precipitation is 20%.
Monday Night
A 20 percent chance of rain. Snow level 8800 feet. Mostly cloudy, with a low around 34.
Tuesday
Mostly sunny, with a high near 64.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Sun Valley ID
 43.69°N 114.33°W (Elev. 6385 ft)
Last Update:
12:31 pm MDT Mar 10, 2026
Forecast Valid:
3pm MDT Mar 10, 2026-6pm MDT Mar 17, 2026
 
Forecast Discussion
 
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Additional Resources

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