Heavy Rainfall and Severe Thunderstorm Threats; Heat Risk Expands; Monitoring the Tropics

Flash flooding risks continue for portions of the Four Corners and Great Basin through today. Severe thunderstorms are outlooked from the eastern Great Lakes, southern New England into the mid-Atlantic through Tuesday. Heat risk increases and expands across the center of the nation and across the Ohio Valley and mid-Atlantic this week. Continue to closely monitor tropical development in the Gulf. Read More >

Current conditions at

Hailey, Friedman Memorial Airport (KSUN)

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

Clear

41°F

5°C

Humidity 48%
Wind Speed NNW 9 MPH
Barometer 30.18 in (1022.01 mb)
Dewpoint 23°F (-5°C)
Visibility 10.00 mi
Wind Chill35°F (2°C)
Last update 31 Aug 07:47 AM MDT
Detailed forecast for

Sun Valley Region

Today
Sunny. Highs 71 to 80.
Tonight
Increasing clouds. Lows 41 to 51.
Tuesday
Rain showers likely and a chance of thunderstorms in the afternoon. Highs 69 to 78.
Tuesday Night
Rain showers likely and a slight chance of thunderstorms. Lows 39 to 49.
Wednesday
Mostly sunny with a slight chance of rain. Highs 58 to 68.
Wednesday Night
Partly cloudy. Lows 36 to 46.
Thursday
Partly sunny with a slight chance of rain. Highs 60 to 69.
Thursday Night
Partly cloudy with a slight chance of rain. Lows 37 to 47.
Friday Through Saturday
Partly cloudy. Highs 65 to 75. Lows 39 to 49.
Saturday Night
Partly cloudy with a slight chance of showers and thunderstorms. Lows 42 to 52.
Sunday
Partly sunny with a chance of rain showers and a slight chance of thunderstorms. Highs 64 to 73.



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1231 AM MDT Mon Aug 31 2026
 
 

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database