Dangerous Heat and Heavy Rainfall into the Weekend

Hot temperatures and high humidity are forecast to continue across the mid-Mississippi Valley into this weekend. Heat Advisories remain in effect. Heavy to excessive rainfall occurring at times through the weekend could bring areas of flooding to parts of the northern Rockies, upper Midwest, central Great Lakes, and southern New England. Read More >

Current conditions at

Hailey, Friedman Memorial Airport (KSUN)

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

Mostly Cloudy

54°F

12°C

Humidity 76%
Wind Speed NW 8 MPH
Barometer 30.2 in (1022.69 mb)
Dewpoint 46°F (8°C)
Visibility 10.00 mi
Last update 18 Sep 07:50 AM MDT
Detailed forecast for

Sun Valley Region

Today
Partly sunny. Scattered rain showers and isolated thunderstorms in the morning...then scattered showers and thunderstorms in the afternoon. Some thunderstorms may produce small hail and heavy rainfall in the morning...then some thunderstorms may produce small hail and heavy rainfall in the afternoon. Highs 57 to 67.
Tonight
Mostly cloudy. Scattered thunderstorms and a chance of rain showers in the evening...then scattered rain showers after midnight. Colder. Some thunderstorms may produce small hail and heavy rainfall in the evening. Lows 34 to 43.
Saturday
Mostly cloudy. A slight chance of rain in the morning...then a chance of rain showers and a slight chance of thunderstorms in the afternoon. Highs 55 to 65.
Saturday Night
Partly cloudy with a slight chance of rain. Lows 34 to 44.
Sunday
Sunny. Not as cool. Highs 61 to 71.
Sunday Night
Mostly clear. Lows 36 to 46.
Monday And Monday Night
Partly cloudy. Highs 63 to 73. Lows 38 to 48.
Tuesday
Mostly sunny with a slight chance of rain. Highs 64 to 74.
Tuesday Night Through Thursday
Mostly clear. Lows 38 to 48. Highs 66 to 76.



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822 AM MDT Fri Sep 18 2026
 
 

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database