Lost River, Idaho Weather
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Weather Forecast for Lost River, Idaho : Custer County
Issued: 12:58 pm MDT Jun 4, 2025 Latitude: 43.68691 Longitude: -113.614571 View on Google Maps

MouseOver for Detail Forecast
This Afternoon Tonight Thursday Friday Saturday Sunday Monday Tuesday
Partly Sunny on This Afternoon 20% chance of thunderstorms on Tonight Increasing Clouds on Thursday Sunny on Friday Sunny on Saturday Sunny on Sunday Sunny on Monday 30% chance of thunderstorms on Tuesday
High: 67°F Low: 38°F High: 70°F High: 76°F High: 83°F High: 85°F High: 85°F High: 85°F
Low: 40°F Low: 44°F Low: 50°F Low: 49°F Low: 50°F  
Partly Sunny Thunderstorms Increasing Clouds Sunny Sunny Sunny Sunny Thunderstorms
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Current Conditions at
HAILEY - (KSUN)
63°
Partly Cloudy
as of 1:47 PM MDST
Rel. Humidity: 29%
Dew Point: 30°F
Visibility: 10 Miles
Pressure: 30.06 in.
Flight Rule: VFR
Wind Data
12 MPH
130° Southeast
Cloud Level(s): Scattered at 10000ft
Current Conditions at
CHALLIS - (KLLJ)
64°
Clear
as of 1:55 PM MDST
Rel. Humidity: 18%
Dew Point: 21°F
Visibility: 10 Miles
Pressure: 30.05 in.
Flight Rule: VFR
Wind Data
Calm
Cloud Level(s): Clear
Current Conditions at
STANLEY RANGER STN - (KSNT)
63°
Mostly Cloudy
as of 1:51 PM MDST
Rel. Humidity: 27%
Dew Point: 28°F
Pressure: 30.08 in.
Wind Data
9 MPH
Gust: 16 MPH
330° Northwest
Current Conditions at
REXBURG - (KRXE)
64°
Clear
as of 1:53 PM MDST
Rel. Humidity: 27%
Dew Point: 30°F
Visibility: 10 Miles
Pressure: 30.03 in.
Flight Rule: VFR
Wind Data
7 MPH
Cloud Level(s): Clear
Partly Sunny on This Afternoon This Afternoon... Partly sunny, with a high near 67. Southwest wind around 6 mph.
20% chance of thunderstorms Tonight Tonight... A 20 percent chance of showers and thunderstorms before 7pm. Mostly cloudy, with a low around 38. Northeast wind around 6 mph becoming calm in the evening.
Increasing Clouds on Thursday Thursday... Increasing clouds, with a high near 70. Calm wind becoming south southeast around 6 mph in the afternoon.
Cloudy on Thursday Night Thursday Night... Partly cloudy, with a low around 40. Northwest wind around 6 mph becoming calm after midnight.
Sunny on Friday Friday... Sunny, with a high near 76. Light and variable wind becoming southwest 6 to 11 mph in the afternoon. Winds could gust as high as 18 mph.
Cloudy on Friday Night Friday Night... Partly cloudy, with a low around 44.
Sunny on Saturday Saturday... Sunny, with a high near 83.
Mostly Clear on Saturday Night Saturday Night... Mostly clear, with a low around 50.
Sunny on Sunday Sunday... Sunny, with a high near 85.
Mostly Clear on Sunday Night Sunday Night... Mostly clear, with a low around 49.
Sunny on Monday Monday... Sunny, with a high near 85.
Cloudy on Monday Night Monday Night... Partly cloudy, with a low around 50.
30% chance of thunderstorms Tuesday Tuesday... A 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 85.
Current Radar Image


Sun Almanac for Lost River, Idaho
Sunrise: 05:54 AM
Sunset: 9:12 PM
Civil Sunrise:05:19 AM
Civil Sunset: 9:47 PM
Nautical Sunrise: 04:33 AM
Nautical Sunset: 10:33 PM
Astro Sunrise: 03:36 AM
Astro Sunset: 11:30 PM
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