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.

Partly Cloudy

79°F

26°C

Humidity 39%
Wind Speed SE 8 MPH
Barometer 30.23 in (1023.71 mb)
Dewpoint 52°F (11°C)
Visibility 10.00 mi
Heat Index79°F (26°C)
Last update 17 Aug 02:50 PM MDT
Extended Forecast for

4 Miles N Sun Valley ID

  • This Afternoon

    This Afternoon: A 20 percent chance of showers and thunderstorms.  Mostly cloudy, with a high near 73. Southwest wind around 8 mph.

    High: 73 °F

    Slight Chance
    T-storms

  • Tonight

    Tonight: A 20 percent chance of rain before 7pm.  Mostly cloudy, with a low around 46. West wind 5 to 7 mph becoming north after midnight.

    Low: 46 °F

    Slight Chance
    Rain then
    Partly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 74. Light and variable wind becoming southwest 5 to 9 mph in the afternoon.

    High: 74 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 45. West wind 6 to 8 mph becoming north after midnight.

    Low: 45 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Sunny, with a high near 77. North wind 5 to 9 mph becoming west southwest in the afternoon.

    High: 77 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 48.

    Low: 48 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 80.

    High: 80 °F

    Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 51.

    Low: 51 °F

    Partly Cloudy

  • Friday

    Friday: A 20 percent chance of showers and thunderstorms after noon.  Mostly sunny, with a high near 81.

    High: 81 °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 73. Southwest wind around 8 mph.
Tonight
A 20 percent chance of rain before 7pm. Mostly cloudy, with a low around 46. West wind 5 to 7 mph becoming north after midnight.
Tuesday
Partly sunny, with a high near 74. Light and variable wind becoming southwest 5 to 9 mph in the afternoon.
Tuesday Night
Partly cloudy, with a low around 45. West wind 6 to 8 mph becoming north after midnight.
Wednesday
Sunny, with a high near 77. North wind 5 to 9 mph becoming west southwest in the afternoon.
Wednesday Night
Mostly clear, with a low around 48.
Thursday
Sunny, with a high near 80.
Thursday Night
Partly cloudy, with a low around 51.
Friday
A 20 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 81.
Friday Night
A 20 percent chance of rain before midnight. Mostly cloudy, with a low around 52.
Saturday
A 20 percent chance of showers and thunderstorms. Partly sunny, with a high near 75.
Saturday Night
A 20 percent chance of rain. Partly cloudy, with a low around 47.
Sunday
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 72.
Sunday Night
Mostly clear, with a low around 46.
Monday
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 72.
Basemap Options
Click map to change the forecast location
Loading map...

ABOUT THIS FORECAST

 
Point Forecast:
4 Miles N Sun Valley ID
 43.74°N 114.34°W (Elev. 7674 ft)
12:31 pm MDT Aug 17, 2026
3pm MDT Aug 17, 2026-6pm MDT Aug 24, 2026
 
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