Thunderstorms and Heavy Rainfall in the Southeast, Montana, and Iowa; Lowell Begins to Impact Hawaii

Strong thunderstorms with damaging winds and heavy rain are expected across portions of the Southeast. Thunderstorms may produce large hail across portions of Montana. Heavy rainfall could produce flash flooding across Iowa and vulnerable areas in Utah. Lowell will bring heavy rain, dangerous swells and rip currents to portions of Hawaii. Sweltering heat persists across the South-Central US. Read More >

Current conditions at

Hailey, Friedman Memorial Airport (KSUN)

Lat: 43.5° N Lon: 114.3° W Elev: 5318.0 ft.

Clear

73°F

23°C

Humidity 35%
Wind Speed ESE 14 MPH
Barometer 29.99 in (1015.58 mb)
Dewpoint 45°F (7°C)
Visibility 10.00 mi
Last update 06 Sep 02:50 PM MDT
Detailed forecast for

Sun Valley Region

Tonight
Partly cloudy with scattered rain showers and isolated thunderstorms in the evening...then mostly cloudy with scattered rain showers, isolated thunderstorms and snow showers after midnight. Colder. Little or no snow accumulation. Lows 33 to 40.
Labor Day
Sunny. Highs 57 to 66.
Monday Night
Mostly clear. Lows 29 to 39.
Tuesday
Sunny, warmer. Highs 64 to 72.
Tuesday Night
Mostly clear. Lows 35 to 45.
Wednesday Through Friday
Mostly clear. Highs 68 to 78. Lows 39 to 49.
Friday Night
Partly cloudy. Lows 38 to 48.
Saturday
Mostly sunny with a slight chance of rain. Highs 61 to 70.
Saturday Night
Partly cloudy with a slight chance of rain and snow. Lows 35 to 45.
Sunday
Mostly sunny with a slight chance of rain. Highs 59 to 68.



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1231 PM MDT Sun Sep 6 2026
 
 

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database