Thunderstorms and Heavy Rain in the Mid-South; Heat Continues in the Southeast and Southwest

Severe thunderstorms and heavy rain are expected across portions of the mid-Mississippi Valley into the Ohio Valley and portions of Arizona. Dangerous heat persists in the South and Southeast while building into the Southwest. Overnight lows will be so warm that, when combined with oppressive dew points, 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

61°F

16°C

Humidity 41%
Wind Speed WNW 4 MPH
Barometer 30.19 in (1022.35 mb)
Dewpoint 37°F (3°C)
Visibility 10.00 mi
Last update 19 Aug 02:55 AM MDT
Extended Forecast for

18 Miles ENE Sun Valley ID

  • Overnight

    Overnight: Mostly clear, with a low around 42. Northwest wind around 6 mph.

    Low: 42 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 76. Light west northwest wind becoming west southwest 6 to 11 mph in the morning. Winds could gust as high as 20 mph.

    High: 76 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 46. West wind 5 to 9 mph becoming north northwest after midnight.

    Low: 46 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 81. South southwest wind 5 to 14 mph, with gusts as high as 24 mph.

    High: 81 °F

    Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 49. West southwest wind 5 to 11 mph becoming north northwest after midnight. Winds could gust as high as 22 mph.

    Low: 49 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 81.

    High: 81 °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 48. Chance of precipitation is 50%.

    Low: 48 °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 73. Chance of precipitation is 60%.

    High: 73 °F

    Slight Chance
    Rain then
    Showers
    Likely

  • Saturday Night

    Saturday Night: A 20 percent chance of showers and thunderstorms before midnight.  Partly cloudy, with a low around 44.

    Low: 44 °F

    Slight Chance
    T-storms then
    Partly Cloudy

Detailed Forecast

Overnight
Mostly clear, with a low around 42. Northwest wind around 6 mph.
Wednesday
Sunny, with a high near 76. Light west northwest wind becoming west southwest 6 to 11 mph in the morning. Winds could gust as high as 20 mph.
Wednesday Night
Mostly clear, with a low around 46. West wind 5 to 9 mph becoming north northwest after midnight.
Thursday
Sunny, with a high near 81. South southwest wind 5 to 14 mph, with gusts as high as 24 mph.
Thursday Night
Partly cloudy, with a low around 49. West southwest wind 5 to 11 mph becoming north northwest after midnight. Winds could gust as high as 22 mph.
Friday
Mostly sunny, with a high near 81.
Friday Night
A chance of showers and thunderstorms before midnight, then a chance of rain after midnight. Mostly cloudy, with a low around 48. 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 73. Chance of precipitation is 60%.
Saturday Night
A 20 percent chance of showers and thunderstorms before midnight. Partly cloudy, with a low around 44.
Sunday
A 20 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 71.
Sunday Night
Partly cloudy, with a low around 42.
Monday
A 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 71.
Monday Night
A 20 percent chance of rain and thunderstorms. Mostly cloudy, with a low around 43.
Tuesday
A 30 percent chance of rain and thunderstorms. Partly sunny, with a high near 69.
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ABOUT THIS FORECAST

 
Point Forecast:
18 Miles ENE Sun Valley ID
 43.75°N 113.98°W (Elev. 8560 ft)
2:31 am MDT Aug 19, 2026
3am MDT Aug 19, 2026-6pm MDT Aug 25, 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