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

5 Miles ENE Sun Valley ID

  • Tonight

    Tonight: Mostly clear, with a low around 9. Wind chill values as low as -6. Blustery, with a northwest wind 17 to 22 mph decreasing to 10 to 15 mph after midnight. Winds could gust as high as 32 mph.

    Low: 9 °F

    Mostly Clear
    and Blustery
    then Mostly
    Clear

  • Wednesday

    Wednesday: A 20 percent chance of snow after 5pm. Increasing clouds, with a high near 30. Wind chill values as low as -3. West northwest wind 9 to 18 mph becoming east northeast in the morning. Winds could gust as high as 25 mph.

    High: 30 °F

    Mostly Sunny
    then Slight
    Chance Snow

  • Wednesday Night

    Wednesday Night: A 50 percent chance of snow. Mostly cloudy, with a low around 26. West southwest wind 16 to 20 mph, with gusts as high as 26 mph. New snow accumulation of less than a half inch possible.

    Low: 26 °F

    Chance Snow

  • Thursday

    Thursday: A 50 percent chance of snow. Mostly cloudy, with a high near 36. Breezy, with a west wind 24 to 28 mph, with gusts as high as 38 mph. New snow accumulation of less than a half inch possible.

    High: 36 °F

    Chance Snow
    and Breezy

  • Thursday Night

    Thursday Night: A 50 percent chance of snow. Mostly cloudy, with a low around 29. Windy, with a west wind 20 to 30 mph, with gusts as high as 40 mph. New snow accumulation of less than a half inch possible.

    Low: 29 °F

    Chance Snow
    and Windy

  • Friday

    Friday: A 40 percent chance of snow. Partly sunny, with a high near 40. Breezy. Little or no snow accumulation expected.

    High: 40 °F

    Chance Snow
    and Breezy

  • Friday Night

    Friday Night: A chance of snow before 9pm, then a chance of rain and snow. Mostly cloudy, with a low around 31. Chance of precipitation is 50%. New snow accumulation of less than a half inch possible.

    Low: 31 °F

    Chance
    Rain/Snow

  • Saturday

    Saturday: Snow, mainly before noon. High near 36. Chance of precipitation is 80%.

    High: 36 °F

    Snow then
    Chance Snow

  • Saturday Night

    Saturday Night: A 20 percent chance of snow before midnight. Partly cloudy, with a low around 20.

    Low: 20 °F

    Slight Chance
    Snow then
    Mostly Cloudy

Detailed Forecast

Tonight
Mostly clear, with a low around 9. Wind chill values as low as -6. Blustery, with a northwest wind 17 to 22 mph decreasing to 10 to 15 mph after midnight. Winds could gust as high as 32 mph.
Wednesday
A 20 percent chance of snow after 5pm. Increasing clouds, with a high near 30. Wind chill values as low as -3. West northwest wind 9 to 18 mph becoming east northeast in the morning. Winds could gust as high as 25 mph.
Wednesday Night
A 50 percent chance of snow. Mostly cloudy, with a low around 26. West southwest wind 16 to 20 mph, with gusts as high as 26 mph. New snow accumulation of less than a half inch possible.
Thursday
A 50 percent chance of snow. Mostly cloudy, with a high near 36. Breezy, with a west wind 24 to 28 mph, with gusts as high as 38 mph. New snow accumulation of less than a half inch possible.
Thursday Night
A 50 percent chance of snow. Mostly cloudy, with a low around 29. Windy, with a west wind 20 to 30 mph, with gusts as high as 40 mph. New snow accumulation of less than a half inch possible.
Friday
A 40 percent chance of snow. Partly sunny, with a high near 40. Breezy. Little or no snow accumulation expected.
Friday Night
A chance of snow before 9pm, then a chance of rain and snow. Mostly cloudy, with a low around 31. Chance of precipitation is 50%. New snow accumulation of less than a half inch possible.
Saturday
Snow, mainly before noon. High near 36. Chance of precipitation is 80%.
Saturday Night
A 20 percent chance of snow before midnight. Partly cloudy, with a low around 20.
Sunday
Partly sunny, with a high near 36.
Sunday Night
A 20 percent chance of snow. Mostly cloudy, with a low around 27.
Monday
A slight chance of rain and snow. Partly sunny, with a high near 48. Chance of precipitation is 20%.
Monday Night
A 20 percent chance of rain. Mostly cloudy, with a low around 33.
Tuesday
Mostly sunny, with a high near 53.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
5 Miles ENE Sun Valley ID
 43.72°N 114.25°W (Elev. 9124 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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High Temperature

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Chance of Precipitation