Thunderstorms and Heavy Rainfall in the Plains; Hazardous Heat in the South and Southeast

Severe thunderstorms will be possible across the northern/central Plains through Tuesday afternoon and from the central Plains to the Mid-Mississippi Valley Tuesday evening through Wednesday morning. Storms may produce large hail and damaging wind gusts, and heavy rainfall may lead to scattered instances of flash flooding. Meanwhile, hazardous heat persists across the South and Southeast. Read More >

Current conditions at

Hailey, Friedman Memorial Airport (KSUN)

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

Clear

70°F

21°C

Humidity 46%
Wind Speed WNW 6 MPH
Barometer 30.19 in (1022.35 mb)
Dewpoint 48°F (9°C)
Visibility 10.00 mi
Last update 17 Aug 09:50 PM MDT
Detailed forecast for

Lost River Valleys

Tonight
Mostly cloudy. A slight chance of rain in the evening. Lows 51 to 59. Northwest winds up to 10 mph in the evening... Becoming light and variable.
Tuesday
Partly sunny. Highs 75 to 85. Light and variable winds...becoming west around 10 mph in the afternoon.
Tuesday Night
Mostly cloudy in the evening then clearing. Lows 49 to 57. Northwest winds up to 10 mph in the evening...becoming light and variable.
Wednesday
Sunny. Highs 78 to 88. West winds up to 10 mph.
Wednesday Night
Mostly clear. Lows 52 to 61. West winds up to 10 mph.
Thursday
Sunny. Highs 82 to 92.
Thursday Night
Partly cloudy with a slight chance of rain. Lows 55 to 64.
Friday
Mostly sunny with a slight chance of showers and thunderstorms. Highs 83 to 93.
Friday Night
Mostly cloudy with a chance of rain showers and a slight chance of thunderstorms. Lows 56 to 64.
Saturday
Partly sunny with a chance of rain showers and a slight chance of thunderstorms. Highs 78 to 88.
Saturday Night
Partly cloudy with a slight chance of rain. Lows 51 to 60.
Sunday
Mostly sunny with a slight chance of showers and thunderstorms. Highs 74 to 84.
Sunday Night
Partly cloudy. Lows 50 to 58.
Monday
Mostly sunny with a slight chance of showers and thunderstorms. Highs 73 to 83.



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1232 PM MDT Mon Aug 17 2026
 
 

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database