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

Dangerous Heat and Possible Flooding

Dangerous heat will persist across the Southwest U.S. through Saturday with daytime highs of 110-115°F. Extreme Heat Warnings remain in effect. Dangerous heat will build across the southern Plains again beginning this weekend. Heavy to excessive rain over the Carolinas Friday may lead to isolated areas of flash flooding. Read More >

Current conditions at

Hailey, Friedman Memorial Airport (KSUN)

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

Clear

73°F

23°C

Humidity 49%
Wind Speed SSE 17 MPH
Barometer 30.16 in (1021.34 mb)
Dewpoint 54°F (12°C)
Visibility 10.00 mi
Last update 28 Aug 01:50 PM MDT
Extended Forecast for

19 Miles ENE Sun Valley ID

  • This Afternoon

    This Afternoon: A 30 percent chance of showers and thunderstorms, mainly before 5pm. Snow level 12800 feet. Mostly cloudy, with a high near 49. Southwest wind around 14 mph, with gusts as high as 20 mph.

    High: 49 °F

    Chance
    T-storms

  • Tonight

    Tonight: A chance of showers and thunderstorms before 9pm, then a chance of rain, mainly after midnight. Snow level 12700 feet. Cloudy, with a low around 40. Southwest wind 11 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 50%.

    Low: 40 °F

    Chance
    Showers

  • Saturday

    Saturday: Rain likely before noon, then a chance of showers and thunderstorms between noon and 3pm. Snow level 12400 feet lowering to 11800 feet. Mostly cloudy, then gradually becoming sunny, with a high near 47. Southwest wind 14 to 18 mph, with gusts as high as 29 mph. Chance of precipitation is 70%.

    High: 47 °F

    Showers
    Likely

  • Saturday Night

    Saturday Night: A chance of rain, mixing with snow after 3am, then gradually ending. Snow level 12100 feet lowering to 11400 feet after midnight . Mostly cloudy, with a low around 35. South southwest wind 11 to 17 mph, with gusts as high as 28 mph. Chance of precipitation is 50%. Little or no snow accumulation expected.

    Low: 35 °F

    Chance Rain
    then Chance
    Rain/Snow

  • Sunday

    Sunday: A 20 percent chance of snow before noon. Mostly sunny, with a high near 47. West southwest wind 16 to 18 mph, with gusts as high as 26 mph.

    High: 47 °F

    Slight Chance
    Snow then
    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 34.

    Low: 34 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 52.

    High: 52 °F

    Sunny

  • Monday Night

    Monday Night: A 20 percent chance of rain. Snow level 11500 feet. Partly cloudy, with a low around 39.

    Low: 39 °F

    Slight Chance
    Rain

  • Tuesday

    Tuesday: A slight chance of rain, then a chance of showers and thunderstorms after noon. Snow level 11800 feet. Mostly sunny, with a high near 52. Chance of precipitation is 40%.

    High: 52 °F

    Chance
    Showers

Detailed Forecast

This Afternoon
A 30 percent chance of showers and thunderstorms, mainly before 5pm. Snow level 12800 feet. Mostly cloudy, with a high near 49. Southwest wind around 14 mph, with gusts as high as 20 mph.
Tonight
A chance of showers and thunderstorms before 9pm, then a chance of rain, mainly after midnight. Snow level 12700 feet. Cloudy, with a low around 40. Southwest wind 11 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 50%.
Saturday
Rain likely before noon, then a chance of showers and thunderstorms between noon and 3pm. Snow level 12400 feet lowering to 11800 feet. Mostly cloudy, then gradually becoming sunny, with a high near 47. Southwest wind 14 to 18 mph, with gusts as high as 29 mph. Chance of precipitation is 70%.
Saturday Night
A chance of rain, mixing with snow after 3am, then gradually ending. Snow level 12100 feet lowering to 11400 feet after midnight . Mostly cloudy, with a low around 35. South southwest wind 11 to 17 mph, with gusts as high as 28 mph. Chance of precipitation is 50%. Little or no snow accumulation expected.
Sunday
A 20 percent chance of snow before noon. Mostly sunny, with a high near 47. West southwest wind 16 to 18 mph, with gusts as high as 26 mph.
Sunday Night
Mostly clear, with a low around 34.
Monday
Sunny, with a high near 52.
Monday Night
A 20 percent chance of rain. Snow level 11500 feet. Partly cloudy, with a low around 39.
Tuesday
A slight chance of rain, then a chance of showers and thunderstorms after noon. Snow level 11800 feet. Mostly sunny, with a high near 52. Chance of precipitation is 40%.
Tuesday Night
A 30 percent chance of showers and thunderstorms before midnight. Snow level 11900 feet lowering to 10900 feet after midnight . Partly cloudy, with a low around 39.
Wednesday
Mostly sunny, with a high near 48. Breezy.
Wednesday Night
Partly cloudy, with a low around 35. Breezy.
Thursday
A 20 percent chance of snow. Partly sunny, with a high near 44.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
19 Miles ENE Sun Valley ID
 43.79°N 113.99°W (Elev. 10863 ft)
Last Update:
12:31 pm MDT Aug 28, 2026
Forecast Valid:
2pm MDT Aug 28, 2026-6pm MDT Sep 3, 2026
 
Forecast Discussion
 
Get as KML Get as XML

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

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