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Obsidian, Idaho Weather Forecast
Obsidian, Idaho Weather
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Click for Winter Weather Advisory for Obsidian, Idaho
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Weather Forecast for Obsidian, Idaho : Custer County
Issued: 4:30 pm MST Dec 4, 2025 Latitude: 44.0787969 Longitude: -114.8472981 View on Google Maps

MouseOver for Detail Forecast
This Afternoon Tonight Friday Saturday Sunday Monday Tuesday Wednesday Thursday
80% chance of snow on This Afternoon 80% chance of snow on Tonight 90% chance of snow on Friday 80% chance of snow on Saturday 50% chance of snow on Sunday 20% chance of snow on Monday 80% chance of rain & snow on Tuesday 70% chance of rain & snow on Wednesday 40% chance of rain & snow on Thursday
High: 33°F Low: 21°F High: 36°F High: 32°F High: 36°F High: 38°F High: 43°F High: 43°F High: 42°F
Low: 23°F Low: 17°F Low: 22°F Low: 22°F Low: 29°F Low: 25°F  
Snow Snow Snow Snow Snow Snow Rain & Snow Rain & Snow Rain & Snow
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Current Conditions at
STANLEY RANGER STN - (KSNT)
27°
Clear
as of 4:51 PM MST
Rel. Humidity: 92%
Dew Point: 25°F
Pressure: 30.09 in.
Wind Data
Calm
Current Conditions at
CHALLIS - (KLLJ)
32°
Cloudy
as of 4:55 PM MST
Rel. Humidity: 54%
Dew Point: 18°F
Visibility: 10 Miles
Pressure: 30.05 in.
Flight Rule: VFR
Wind Data
Calm
Cloud Level(s): Solid Overcast at 4300ft
Current Conditions at
HAILEY - (KSUN)
30°
Mostly Clear
as of 4:55 PM MST
Rel. Humidity: 80%
Dew Point: 25°F
Visibility: 10 Miles
Pressure: 30.11 in.
Flight Rule: VFR
Wind Data
Calm
Cloud Level(s): Few at 8000ft
Current Conditions at
MCCALL - (KMYL)
28°
Cloudy
Light Snow Mist
as of 5:33 PM MST
Rel. Humidity: 92%
Dew Point: 27°F
Visibility: 2 Miles
Pressure: 30.13 in.
Flight Rule: IFR
Wind Data
Calm
Cloud Level(s): Broken at 900ft, Solid Overcast at 1800ft
80% chance of snow This Afternoon This Afternoon... Snow. High near 33. South wind around 6 mph. Chance of precipitation is 80%. Total daytime snow accumulation of less than a half inch possible.
80% chance of snow Tonight Tonight... Snow, mainly before 11pm. Low around 21. South southeast wind around 6 mph becoming north after midnight. Chance of precipitation is 80%. New snow accumulation of less than one inch possible.
90% chance of snow Friday Friday... Snow, mainly after 11am. High near 36. Light and variable wind becoming south 5 to 10 mph in the morning. Winds could gust as high as 22 mph. Chance of precipitation is 90%. New snow accumulation of 1 to 3 inches possible.
100% chance of snow Friday Night Friday Night... Snow. Low around 23. West wind 13 to 16 mph, with gusts as high as 29 mph. Chance of precipitation is 100%. New snow accumulation of 1 to 3 inches possible.
80% chance of snow Saturday Saturday... Snow. High near 32. West wind 10 to 14 mph, with gusts as high as 23 mph. Chance of precipitation is 80%. New snow accumulation of less than one inch possible.
40% chance of snow Saturday Night Saturday Night... A 40 percent chance of snow. Patchy fog after 11pm. Otherwise, mostly cloudy, with a low around 17. New snow accumulation of less than a half inch possible.
50% chance of snow Sunday Sunday... A 50 percent chance of snow. Mostly cloudy, with a high near 36. New snow accumulation of less than a half inch possible.
70% chance of snow Sunday Night Sunday Night... Snow likely, mainly before 11pm. Mostly cloudy, with a low around 22. Chance of precipitation is 70%.
20% chance of snow Monday Monday... A 20 percent chance of snow before 11am. Partly sunny, with a high near 38.
80% chance of snow Monday Night Monday Night... Snow, mainly after 5am. Low around 22. Chance of precipitation is 80%.
80% chance of rain & snow Tuesday Tuesday... Rain and snow. Snow level rising to 7700 feet in the afternoon. High near 43. Chance of precipitation is 80%.
70% chance of rain & snow Tuesday Night Tuesday Night... Rain and snow likely. Snow level 7400 feet. Mostly cloudy, with a low around 29. Chance of precipitation is 70%.
70% chance of rain & snow Wednesday Wednesday... Rain and snow likely. Snow level 7400 feet. Mostly cloudy, with a high near 43. Chance of precipitation is 70%.
50% chance of rain & snow Wednesday Night Wednesday Night... A chance of rain and snow. Snow level 7400 feet. Mostly cloudy, with a low around 25. Chance of precipitation is 50%.
40% chance of rain & snow Thursday Thursday... A chance of rain and snow. Snow level 7000 feet. Partly sunny, with a high near 42. Chance of precipitation is 40%.
Current Radar Image


Sun Almanac for Obsidian, Idaho
Sunrise: 07:58 AM
Sunset: 5:01 PM
Civil Sunrise:07:26 AM
Civil Sunset: 5:34 PM
Nautical Sunrise: 06:49 AM
Nautical Sunset: 6:10 PM
Astro Sunrise: 06:14 AM
Astro Sunset: 6:45 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.