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Casto, Idaho Weather Forecast
Casto, Idaho Weather
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Weather Forecast for Casto, Idaho : Custer County
Issued: 5:31 am MDT Oct 31, 2025 Latitude: 44.5679667 Longitude: -114.8487 View on Google Maps

MouseOver for Detail Forecast
Today Tonight Saturday Sunday Monday Tuesday Wednesday Thursday
Mostly Sunny on Today Mostly Cloudy on Tonight Mostly Sunny on Saturday 30% chance of snow on Sunday Mostly Sunny on Monday 40% chance of snow on Tuesday 30% chance of snow on Wednesday 60% chance of snow on Thursday
High: 56°F Low: 37°F High: 58°F High: 50°F High: 58°F High: 48°F High: 54°F High: 45°F
Low: 41°F Low: 31°F Low: 39°F Low: 37°F Low: 35°F  
Mostly Sunny Mostly Cloudy Mostly Sunny Snow Mostly Sunny Snow Snow Snow
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Current Conditions at
STANLEY RANGER STN - (KSNT)
18°
Clear
as of 8:51 AM MDST
Rel. Humidity: 92%
Dew Point: 16°F
Pressure: 30.29 in.
Wind Data
Calm
Current Conditions at
CHALLIS - (KLLJ)
27°
Clear
as of 8:55 AM MDST
Rel. Humidity: 79%
Dew Point: 21°F
Visibility: 10 Miles
Pressure: 30.26 in.
Flight Rule: VFR
Wind Data
3 MPH
010° North
Cloud Level(s): Clear
Current Conditions at
SALMON - (KSMN)
21°
Clear
as of 8:56 AM MDST
Rel. Humidity: 92%
Dew Point: 19°F
Visibility: 7 Miles
Pressure: 30.30 in.
Flight Rule: VFR
Wind Data
Calm
Cloud Level(s): Clear
Current Conditions at
MCCALL - (KMYL)
25°
Clear
as of 8:51 AM MDST
Rel. Humidity: 85%
Dew Point: 21°F
Visibility: 10 Miles
Pressure: 30.22 in.
Flight Rule: VFR
Wind Data
Calm
Cloud Level(s): Clear
Mostly Sunny on Today Today... Mostly sunny, with a high near 56. Calm wind becoming southwest around 5 mph in the afternoon.

Mostly Cloudy on Tonight Tonight... Mostly cloudy, with a low around 37. Southwest wind around 6 mph.

Mostly Sunny on Saturday Saturday... Mostly sunny, with a high near 58. Southwest wind 6 to 13 mph, with gusts as high as 22 mph.

40% chance of rain Saturday Night Saturday Night... A 40 percent chance of showers, mainly after midnight. Mostly cloudy, with a low around 41. Southwest wind 10 to 14 mph, with gusts as high as 28 mph.

30% chance of snow Sunday Sunday... A 30 percent chance of showers before noon. Snow level 9300 feet lowering to 7500 feet in the afternoon . Partly sunny, with a high near 50. West wind 9 to 11 mph, with gusts as high as 21 mph.

Cloudy on Sunday Night Sunday Night... Partly cloudy, with a low around 31.

Mostly Sunny on Monday Monday... Mostly sunny, with a high near 58.

40% chance of snow Monday Night Monday Night... A 40 percent chance of showers. Snow level 9300 feet lowering to 8700 feet after midnight . Mostly cloudy, with a low around 39.

40% chance of snow Tuesday Tuesday... A 40 percent chance of showers, mainly before noon. Snow level 8300 feet lowering to 7700 feet in the afternoon . Mostly cloudy, with a high near 48.

20% chance of snow Tuesday Night Tuesday Night... A 20 percent chance of showers. Snow level 8000 feet rising to 8600 feet after midnight. Mostly cloudy, with a low around 37.

30% chance of snow Wednesday Wednesday... A 30 percent chance of showers. Snow level 8800 feet. Mostly cloudy, with a high near 54.

70% chance of snow Wednesday Night Wednesday Night... Showers likely. Snow level 8600 feet lowering to 7700 feet after midnight . Mostly cloudy, with a low around 35. Chance of precipitation is 70%.

60% chance of snow Thursday Thursday... Showers likely. Snow level 7200 feet lowering to 6700 feet in the afternoon . Mostly cloudy, with a high near 45. Chance of precipitation is 60%.

Current Radar Image


Sun Almanac for Casto, Idaho
Sunrise: 08:17 AM
Sunset: 6:29 PM
Civil Sunrise:07:46 AM
Civil Sunset: 7:00 PM
Nautical Sunrise: 07:12 AM
Nautical Sunset: 7:34 PM
Astro Sunrise: 06:38 AM
Astro Sunset: 8:08 PM
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