Storms and Heavy Rainfall in the Plains and Southern Appalachians; Hazardous Heat in the South and Southeast

Severe thunderstorms with heavy rainfall will be possible across the southern Appalachians through this evening. Thunderstorms are also expected from the northern/central Plains into portions of the Midwest through Tuesday, and severe storms may produce large hail and damaging wind gusts. Meanwhile, hazardous heat persists across the South and Southeast. Read More >

Current conditions at

Hailey, Friedman Memorial Airport (KSUN)

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

Clear

84°F

29°C

Humidity 23%
Wind Speed N 0 MPH
Barometer 30.2 in (1022.69 mb)
Dewpoint 43°F (6°C)
Visibility 10.00 mi
Heat Index81°F (27°C)
Last update 17 Aug 03:53 PM MDT
Extended Forecast for

19 Miles ENE Sun Valley ID

  • This Afternoon

    This Afternoon: A 20 percent chance of showers and thunderstorms.  Mostly cloudy, with a high near 71. West southwest wind around 11 mph, with gusts as high as 21 mph.

    High: 71 °F

    Slight Chance
    T-storms

  • Tonight

    Tonight: A 20 percent chance of rain before 7pm.  Mostly cloudy, with a low around 44. West southwest wind 5 to 10 mph becoming light. Winds could gust as high as 20 mph.

    Low: 44 °F

    Slight Chance
    Rain then
    Mostly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 71. Light west wind becoming west southwest 6 to 11 mph in the morning. Winds could gust as high as 21 mph.

    High: 71 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 42. West wind 5 to 9 mph becoming light west northwest  after midnight. Winds could gust as high as 21 mph.

    Low: 42 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Sunny, with a high near 74. Light west northwest wind becoming west 5 to 10 mph in the morning. Winds could gust as high as 20 mph.

    High: 74 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 46.

    Low: 46 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 77.

    High: 77 °F

    Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 49.

    Low: 49 °F

    Partly Cloudy

  • Friday

    Friday: A 20 percent chance of showers and thunderstorms after noon.  Mostly sunny, with a high near 78.

    High: 78 °F

    Mostly Sunny
    then Slight
    Chance
    T-storms

Detailed Forecast

This Afternoon
A 20 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 71. West southwest wind around 11 mph, with gusts as high as 21 mph.
Tonight
A 20 percent chance of rain before 7pm. Mostly cloudy, with a low around 44. West southwest wind 5 to 10 mph becoming light. Winds could gust as high as 20 mph.
Tuesday
Partly sunny, with a high near 71. Light west wind becoming west southwest 6 to 11 mph in the morning. Winds could gust as high as 21 mph.
Tuesday Night
Partly cloudy, with a low around 42. West wind 5 to 9 mph becoming light west northwest after midnight. Winds could gust as high as 21 mph.
Wednesday
Sunny, with a high near 74. Light west northwest wind becoming west 5 to 10 mph in the morning. Winds could gust as high as 20 mph.
Wednesday Night
Mostly clear, with a low around 46.
Thursday
Sunny, with a high near 77.
Thursday Night
Partly cloudy, with a low around 49.
Friday
A 20 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 78.
Friday Night
A 30 percent chance of showers and thunderstorms before midnight. Mostly cloudy, with a low around 49.
Saturday
A 30 percent chance of rain and thunderstorms. Partly sunny, with a high near 73.
Saturday Night
A 20 percent chance of rain. Partly cloudy, with a low around 44.
Sunday
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 69.
Sunday Night
Partly cloudy, with a low around 42.
Monday
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 69.
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ABOUT THIS FORECAST

 
Point Forecast:
19 Miles ENE Sun Valley ID
 43.75°N 113.95°W (Elev. 9229 ft)
12:31 pm MDT Aug 17, 2026
4pm MDT Aug 17, 2026-6pm MDT Aug 24, 2026
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database