Cape Horn, Idaho Weather
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Weather Forecast for Cape Horn, Idaho : Custer County
Issued: 11:31 pm MDT Sep 13, 2025 Latitude: 44.4049059 Longitude: -115.1681549 View on Google Maps

MouseOver for Detail Forecast
Tonight Sunday Monday Tuesday Wednesday Thursday Friday Saturday
Mostly Clear on Tonight 60% chance of thunderstorms on Sunday 30% 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: 37°F High: 65°F High: 59°F High: 68°F High: 71°F High: 71°F High: 67°F High: 64°F
Low: 34°F Low: 32°F Low: 36°F Low: 37°F Low: 38°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
MCCALL - (KMYL)
54°
Clear
as of 10:51 PM MDST
Rel. Humidity: 76%
Dew Point: 46°F
Visibility: 10 Miles
Pressure: 30.01 in.
Flight Rule: VFR
Wind Data
3 MPH
030° Northeast
Cloud Level(s): Clear
Current Conditions at
BAKER - (KBKE)
57°
Partly Cloudy
as of 9:53 PM PDST
Rel. Humidity: 76%
Dew Point: 50°F
Visibility: 10 Miles
Pressure: 29.90 in.
Flight Rule: VFR
Wind Data
7 MPH
250° West
Cloud Level(s): Scattered at 9500ft
Mostly Clear on Tonight Tonight... Mostly clear, with a low around 37. Calm wind.
60% chance of thunderstorms Sunday Sunday... A chance of showers and thunderstorms before 3pm, then showers likely and possibly a thunderstorm between 3pm and 4pm, then a chance of showers and thunderstorms after 4pm. Partly sunny, with a high near 65. Calm wind becoming southwest 5 to 8 mph in the afternoon. Winds could gust as high as 20 mph. Chance of precipitation is 60%.
40% chance of thunderstorms Sunday Night Sunday Night... A chance of showers and thunderstorms. Snow level 11000 feet lowering to 9400 feet after midnight . Mostly cloudy, with a low around 34. West southwest wind 5 to 7 mph becoming calm after midnight. Chance of precipitation is 40%.
30% chance of thunderstorms Monday Monday... A chance of showers, with thunderstorms also possible after noon. Snow level 9200 feet rising to 10000 feet in the afternoon. Partly sunny, with a high near 59. Calm wind becoming northwest around 6 mph in the afternoon. Chance of precipitation is 30%.
Mostly Clear on Monday Night Monday Night... Mostly clear, with a low around 32. Northwest wind around 6 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 71.
Clear on Wednesday Night Wednesday Night... Clear, with a low around 37.
Sunny on Thursday Thursday... Sunny, with a high near 71.
Cloudy on Thursday Night Thursday Night... Partly cloudy, with a low around 38.
20% chance of rain Friday Friday... A 20 percent chance of showers. Mostly sunny, with a high near 67.
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 64.
Current Radar Image


Sun Almanac for Cape Horn, Idaho
Sunrise: 07:19 AM
Sunset: 7:53 PM
Civil Sunrise:06:50 AM
Civil Sunset: 8:22 PM
Nautical Sunrise: 06:16 AM
Nautical Sunset: 8:57 PM
Astro Sunrise: 05:40 AM
Astro Sunset: 9:32 PM
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