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

Record Heat Remains in Place This Week; Severe Thunderstorms Possible Thursday

Record warmth will persist across portions of California, the Southwest U.S., the central Great Basin and return back to areas of the central/southern Plains and mid-lower Mississippi Valley this week. Over 200 new record high temperatures are forecast. Severe thunderstorms are being outlooked on Thursday over the Midwest. Read More >

Current conditions at

Hailey, Friedman Memorial Airport (KSUN)

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

Clear

36°F

2°C

Humidity 51%
Wind Speed NW 10 MPH
Barometer 30.1 in (1019.3 mb)
Dewpoint 19°F (-7°C)
Visibility 10.00 mi
Wind Chill29°F (-2°C)
Last update 23 Mar 06:47 AM MDT
Extended Forecast for

Sun Valley ID

  • Today

    Today: Partly sunny, with a high near 59. Calm wind becoming south around 6 mph in the afternoon.

    High: 59 °F

    Partly Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 35. Southwest wind around 6 mph becoming north northeast after midnight.

    Low: 35 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 61. Light and variable wind becoming southwest 5 to 9 mph in the afternoon.

    High: 61 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 38. West wind 6 to 10 mph, with gusts as high as 18 mph.

    Low: 38 °F

    Mostly Clear

  • Wednesday

    Wednesday: Mostly sunny, with a high near 61. West southwest wind 5 to 11 mph, with gusts as high as 21 mph.

    High: 61 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 31.

    Low: 31 °F

    Partly Cloudy

  • Thursday

    Thursday: Sunny, with a high near 52.

    High: 52 °F

    Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 24.

    Low: 24 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 55.

    High: 55 °F

    Mostly Sunny

Detailed Forecast

Today
Partly sunny, with a high near 59. Calm wind becoming south around 6 mph in the afternoon.
Tonight
Partly cloudy, with a low around 35. Southwest wind around 6 mph becoming north northeast after midnight.
Tuesday
Partly sunny, with a high near 61. Light and variable wind becoming southwest 5 to 9 mph in the afternoon.
Tuesday Night
Mostly clear, with a low around 38. West wind 6 to 10 mph, with gusts as high as 18 mph.
Wednesday
Mostly sunny, with a high near 61. West southwest wind 5 to 11 mph, with gusts as high as 21 mph.
Wednesday Night
Partly cloudy, with a low around 31.
Thursday
Sunny, with a high near 52.
Thursday Night
Partly cloudy, with a low around 24.
Friday
Mostly sunny, with a high near 55.
Friday Night
Mostly cloudy, with a low around 31.
Saturday
Partly sunny, with a high near 62.
Saturday Night
Partly cloudy, with a low around 36.
Sunday
Mostly sunny, with a high near 65.
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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:
5:31 am MDT Mar 23, 2026
Forecast Valid:
7am MDT Mar 23, 2026-6pm MDT Mar 29, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation