Sun Valley, Idaho Weather
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Weather Forecast for Sun Valley, Idaho : Blaine County
Issued: 11:31 pm MDT Sep 13, 2025 Latitude: 43.6971294 Longitude: -114.3517172 View on Google Maps

MouseOver for Detail Forecast
Overnight Sunday Monday Tuesday Wednesday Thursday Friday Saturday
Mostly Clear on Overnight 30% chance of thunderstorms on Sunday 20% chance of thunderstorms on Monday Sunny on Tuesday Sunny on Wednesday Sunny on Thursday 20% chance of rain on Friday 30% chance of thunderstorms on Saturday
Low: 40°F High: 71°F High: 65°F High: 69°F High: 75°F High: 75°F High: 72°F High: 68°F
Low: 36°F Low: 37°F Low: 40°F Low: 43°F Low: 44°F Low: 42°F  
Mostly Clear Thunderstorms Thunderstorms Sunny Sunny Sunny Rain Thunderstorms
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Current Conditions at
HAILEY - (KSUN)
52°
Clear
as of 12:15 AM MDST
Rel. Humidity: 76%
Dew Point: 45°F
Visibility: 10 Miles
Pressure: 30.05 in.
Flight Rule: VFR
Wind Data
7 MPH
310° Northwest
Cloud Level(s): Clear
Current Conditions at
STANLEY RANGER STN - (KSNT)
41°
Clear
as of 11:51 PM MDST
Rel. Humidity: 80%
Dew Point: 36°F
Pressure: 30.10 in.
Wind Data
5 MPH
160° South
Current Conditions at
CHALLIS - (KLLJ)
55°
Mostly Cloudy
as of 11:55 PM MDST
Rel. Humidity: 66%
Dew Point: 45°F
Visibility: 10 Miles
Pressure: 30.00 in.
Flight Rule: VFR
Wind Data
3 MPH
250° West
Cloud Level(s): Broken at 10000ft, Broken at 12000ft
Current Conditions at
TWIN FALLS - (KTWF)
59°
Clear
as of 11:53 PM MDST
Rel. Humidity: 47%
Dew Point: 39°F
Visibility: 10 Miles
Pressure: 29.98 in.
Flight Rule: VFR
Wind Data
9 MPH
190° South
Cloud Level(s): Clear
Mostly Clear on Overnight Overnight... Mostly clear, with a low around 40. North northwest wind around 6 mph.
30% chance of thunderstorms Sunday Sunday... A 30 percent chance of showers and thunderstorms, mainly after 4pm. Mostly sunny, with a high near 71. North wind 6 to 9 mph becoming south in the morning.
20% chance of thunderstorms Sunday Night Sunday Night... A slight chance of showers and thunderstorms. Partly cloudy, with a low around 36. Southwest wind around 7 mph becoming northwest in the evening. Chance of precipitation is 20%.
20% chance of thunderstorms Monday Monday... A slight chance of showers, with thunderstorms also possible after noon. Mostly sunny, with a high near 65. Northwest wind around 6 mph becoming west southwest in the afternoon. Chance of precipitation is 20%.
Mostly Clear on Monday Night Monday Night... Mostly clear, with a low around 37. West wind around 6 mph becoming north northeast after midnight.
Sunny on Tuesday Tuesday... Sunny, with a high near 69.
Mostly Clear on Tuesday Night Tuesday Night... Mostly clear, with a low around 40.
Sunny on Wednesday Wednesday... Sunny, with a high near 75.
Clear on Wednesday Night Wednesday Night... Clear, with a low around 43.
Sunny on Thursday Thursday... Sunny, with a high near 75.
Cloudy on Thursday Night Thursday Night... Partly cloudy, with a low around 44.
20% chance of rain Friday Friday... A 20 percent chance of showers. Mostly sunny, with a high near 72.
20% chance of rain Friday Night Friday Night... A 20 percent chance of showers. Partly cloudy, with a low around 42.
30% chance of thunderstorms Saturday Saturday... A 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 68.
Current Radar Image


Sun Almanac for Sun Valley, Idaho
Sunrise: 07:16 AM
Sunset: 7:49 PM
Civil Sunrise:06:48 AM
Civil Sunset: 8:18 PM
Nautical Sunrise: 06:13 AM
Nautical Sunset: 8:52 PM
Astro Sunrise: 05:38 AM
Astro Sunset: 9:27 PM
Any use of the information on this page is at your own risk. This information should not be relied upon in life-threatening situations, potential financial loss situations or in lieu of any officially disseminated information. Visit the National Weather Service for official information.