Custer, Idaho Weather
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Weather Forecast for Custer, Idaho : Custer County
Issued: 11:31 pm MDT Sep 13, 2025 Latitude: 44.3874133 Longitude: -114.6959118 View on Google Maps

MouseOver for Detail Forecast
Tonight Sunday Monday Tuesday Wednesday Thursday Friday Saturday
Mostly Clear on Tonight 50% chance of thunderstorms on Sunday 40% chance of thunderstorms on Monday Sunny on Tuesday Sunny on Wednesday Sunny on Thursday 20% chance of rain on Friday 30% chance of rain on Saturday
Low: 38°F High: 68°F High: 60°F High: 68°F High: 73°F High: 72°F High: 69°F High: 66°F
Low: 35°F Low: 33°F Low: 36°F Low: 38°F Low: 40°F Low: 38°F  
Mostly Clear Thunderstorms Thunderstorms Sunny Sunny Sunny Rain Rain
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Current Conditions at
STANLEY RANGER STN - (KSNT)
43°
Clear
as of 10:51 PM MDST
Rel. Humidity: 75%
Dew Point: 36°F
Pressure: 30.10 in.
Wind Data
3 MPH
170° South
Current Conditions at
CHALLIS - (KLLJ)
57°
Clear
as of 10:55 PM MDST
Rel. Humidity: 62%
Dew Point: 45°F
Visibility: 10 Miles
Pressure: 29.99 in.
Flight Rule: VFR
Wind Data
Calm
Cloud Level(s): Clear
Current Conditions at
HAILEY - (KSUN)
54°
Clear
as of 11:15 PM MDST
Rel. Humidity: 71%
Dew Point: 45°F
Visibility: 10 Miles
Pressure: 30.05 in.
Flight Rule: VFR
Wind Data
7 MPH
300° Northwest
Cloud Level(s): Clear
Current Conditions at
SALMON - (KSMN)
57°
Clear
as of 10:56 PM MDST
Rel. Humidity: 62%
Dew Point: 45°F
Visibility: 10 Miles
Pressure: 29.96 in.
Flight Rule: VFR
Wind Data
3 MPH
160° South
Cloud Level(s): Clear
Mostly Clear on Tonight Tonight... Mostly clear, with a low around 38. Light northeast wind.
50% chance of thunderstorms Sunday Sunday... A chance of showers between 2pm and 3pm, then a chance of showers and thunderstorms after 3pm. Partly sunny, with a high near 68. Light and variable wind becoming southwest 5 to 10 mph in the morning. Winds could gust as high as 20 mph. Chance of precipitation is 50%.
40% chance of thunderstorms Sunday Night Sunday Night... A chance of showers and thunderstorms. Snow level 11300 feet lowering to 9500 feet after midnight . Mostly cloudy, with a low around 35. West southwest wind 5 to 8 mph. Chance of precipitation is 40%.
40% chance of thunderstorms Monday Monday... A chance of showers, with thunderstorms also possible after noon. Snow level 9300 feet rising to 10100 feet in the afternoon. Partly sunny, with a high near 60. Light and variable wind becoming north northwest 5 to 8 mph in the morning. Chance of precipitation is 40%.
Mostly Clear on Monday Night Monday Night... Mostly clear, with a low around 33. North northwest wind 5 to 7 mph becoming calm after midnight.
Sunny on Tuesday Tuesday... Sunny, with a high near 68.
Clear on Tuesday Night Tuesday Night... Clear, with a low around 36.
Sunny on Wednesday Wednesday... Sunny, with a high near 73.
Clear on Wednesday Night Wednesday Night... Clear, with a low around 38.
Sunny on Thursday Thursday... Sunny, with a high near 72.
Cloudy on Thursday Night Thursday Night... Partly cloudy, with a low around 40.
20% chance of rain Friday Friday... A 20 percent chance of showers. Mostly sunny, with a high near 69.
20% chance of rain Friday Night Friday Night... A 20 percent chance of showers. Partly cloudy, with a low around 38.
30% chance of rain Saturday Saturday... A 30 percent chance of showers. Mostly sunny, with a high near 66.
Current Radar Image


Sun Almanac for Custer, Idaho
Sunrise: 07:17 AM
Sunset: 7:51 PM
Civil Sunrise:06:48 AM
Civil Sunset: 8:20 PM
Nautical Sunrise: 06:14 AM
Nautical Sunset: 8:55 PM
Astro Sunrise: 05:38 AM
Astro Sunset: 9:30 PM
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