Severe Thunderstorms in the Midwest and Arizona; Heat Continues in the Southeast and Southwest

Thunderstorms, some severe, may lead to scattered instances of flash flooding across the Midwest and Ohio Valley and southern Arizona. The threat will shift to the Mid-Atlantic coast on Thursday. Dangerous heat persists in the South and Southeast while building into the Southwest. Overnight lows will be so warm that little-to-no relief from the scorching daytime highs will be available. 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 15%
Wind Speed SW 6 MPH
Barometer 30.12 in (1019.98 mb)
Dewpoint 32°F (0°C)
Visibility 10.00 mi
Heat Index81°F (27°C)
Last update 19 Aug 07:55 PM MDT
Extended Forecast for

10 Miles NNE Sun Valley ID

  • Tonight

    Tonight: Mostly clear, with a low around 48. West wind around 5 mph becoming light and variable  after midnight.

    Low: 48 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 79. Light west wind becoming southwest 6 to 11 mph in the morning. Winds could gust as high as 21 mph.

    High: 79 °F

    Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 51. West southwest wind 5 to 9 mph becoming north northwest after midnight. Winds could gust as high as 18 mph.

    Low: 51 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 79. North wind 5 to 9 mph becoming south in the afternoon.

    High: 79 °F

    Mostly Sunny

  • Friday Night

    Friday Night: A chance of showers and thunderstorms before midnight, then a chance of rain after midnight.  Mostly cloudy, with a low around 52. South southwest wind 5 to 8 mph becoming north northeast after midnight.  Chance of precipitation is 50%.

    Low: 52 °F

    Chance
    Showers

  • Saturday

    Saturday: A slight chance of rain, then showers likely and possibly a thunderstorm after noon.  Partly sunny, with a high near 70. Chance of precipitation is 60%.

    High: 70 °F

    Slight Chance
    Rain then
    Showers
    Likely

  • Saturday Night

    Saturday Night: A 20 percent chance of rain before midnight.  Partly cloudy, with a low around 48.

    Low: 48 °F

    Slight Chance
    Rain then
    Partly Cloudy

  • Sunday

    Sunday: A 20 percent chance of showers and thunderstorms after noon.  Mostly sunny, with a high near 69.

    High: 69 °F

    Mostly Sunny
    then Slight
    Chance
    T-storms

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 45.

    Low: 45 °F

    Mostly Clear

Detailed Forecast

Tonight
Mostly clear, with a low around 48. West wind around 5 mph becoming light and variable after midnight.
Thursday
Sunny, with a high near 79. Light west wind becoming southwest 6 to 11 mph in the morning. Winds could gust as high as 21 mph.
Thursday Night
Partly cloudy, with a low around 51. West southwest wind 5 to 9 mph becoming north northwest after midnight. Winds could gust as high as 18 mph.
Friday
Mostly sunny, with a high near 79. North wind 5 to 9 mph becoming south in the afternoon.
Friday Night
A chance of showers and thunderstorms before midnight, then a chance of rain after midnight. Mostly cloudy, with a low around 52. South southwest wind 5 to 8 mph becoming north northeast after midnight. Chance of precipitation is 50%.
Saturday
A slight chance of rain, then showers likely and possibly a thunderstorm after noon. Partly sunny, with a high near 70. Chance of precipitation is 60%.
Saturday Night
A 20 percent chance of rain before midnight. Partly cloudy, with a low around 48.
Sunday
A 20 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 69.
Sunday Night
Mostly clear, with a low around 45.
Monday
A 30 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 69.
Monday Night
A 20 percent chance of rain. Mostly cloudy, with a low around 46.
Tuesday
A 30 percent chance of showers and thunderstorms. Partly sunny, with a high near 69.
Tuesday Night
A 20 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 46.
Wednesday
A 20 percent chance of rain and thunderstorms. Mostly sunny, with a high near 69.
Basemap Options
Click map to change the forecast location
Loading map...

ABOUT THIS FORECAST

 
Point Forecast:
10 Miles NNE Sun Valley ID
 43.83°N 114.3°W (Elev. 8209 ft)
5:31 pm MDT Aug 19, 2026
8pm MDT Aug 19, 2026-6pm MDT Aug 26, 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