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Lost River, Idaho Weather

Lost River, Idaho — live current conditions, hourly and 7-day forecasts, NWS alerts, aviation weather, radar and satellite imagery, soil and crop conditions for Lost River, Butte County.

🌡️ Current Conditions
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24-Hour Forecast
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Current Conditions Detail
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7-Day Forecast
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✈️ Aviation Weather

Flight conditions near Lost River. Data source: locating…

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🚜 Agricultural Weather

Soil conditions, frost risk and crop weather for Lost River.

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About Lost River, Idaho

Lost River is a quiet collection of buildings spread across a wide, sun-baked valley floor, hemmed in by the rugged, sagebrush-clad slopes of the Lemhi Range. It lies 68.7 miles west-north-west of Idaho Falls, ID (from Idaho Falls, ID: bearing 283°T), and is situated 5.1 miles north-west of Arco. The air here, especially in the long evenings, carries the dry scent of dust and wild thyme, a subtle perfume that clings to the weathered wood of fences and the corrugated iron roofs. Low, rounded hills, etched with the faint tracks of deer and pronghorn, rise in the distance, their muted greens and browns softening as they meet the vast, pale blue Idaho sky. The stillness is profound, broken only by the distant lowing of cattle or the occasional rumble of a truck heading towards more populated country. This is a landscape shaped by water, though its name suggests otherwise, with the Lost River itself meandering through the valley, its course a vital artery for the ranches that dot the surrounding terrain. For generations, the economy of Lost River has been tied to the land, to the raising of livestock and the cultivation of hardy crops that can withstand the region's stark contrasts of season. The history of this place is written not in grand monuments, but in the enduring spirit of those who have worked this earth, a lineage of resilience evident in the stoic faces of its inhabitants. There's a palpable sense of continuity here, a quiet understanding that life moves at a different pace, dictated by the sun, the seasons, and the enduring presence of the mountains.

NWS Extended Forecast
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📡 Precipitation Radar

Live animated radar for Lost River and surroundings — RainViewer.

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🛰️ Satellite Imagery

NOAA GOES-16 GEOCOLOR — live animated loop updated every 10 minutes. Shows cloud cover, storm systems and weather patterns across the continental US.

NOAA GOES-16 CONUS GEOCOLOR satellite animated loop
🛰️ GEOCOLOR loop 🌡️ Infrared (IR) 🌀 NHC Hurricane Satellite 🔗 NOAA Full Viewer

Source: NOAA/NESDIS GOES-East · Public domain · Auto-updates on page reload

🌙 Astronomy
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LocationLost River, Butte County, Idaho
Coordinates43.689068°N, 113.371399°W
TimezoneMountain Time (America/Boise)
ZIP Code(s)83255, 83251
Area Code208
Page generatedJuly 2026
Weather dataOpen-Meteo (open-source), NOAA National Weather Service

About This Lost River, Idaho Weather Page

This page provides live weather conditions and forecasts for Lost River, Idaho, including current conditions, a 24-hour hourly forecast, 7-day outlook, NWS extended text forecast, real-time aviation weather (live METAR and TAF reports from the nearest reporting airport, with a modeled estimate shown when no station is in range), precipitation radar and NOAA GOES-16 satellite imagery. Additional sections may include tide predictions, wave height, wave direction and sea-surface temperature, a barometric pressure trend, and a solunar-based fishing forecast with a fishing-conditions rating for coastal localities, and soil temperature, crop weather and live USGS river gauge data for agricultural areas near a monitored waterway. All data updates automatically on every page visit.

Location data for Lost River includes coordinates 43.689068°N, 113.371399°W, situated in Butte County. ZIP code 83255, 83251. Telephone area code: 208. Timezone: Mountain Time (America/Boise).

Weather data is sourced from the NOAA National Weather Service (NWS) and the open-source Open-Meteo API. Aviation data is sourced from aviationweather.gov (NOAA), with a modeled estimate used where no nearby reporting station is available. River and stream data is sourced from the USGS National Water Information System. Tide predictions are sourced from NOAA CO-OPS; marine and solunar data are modeled from Open-Meteo and public sunrise/moon calculations and should be treated as a general guide alongside on-the-water conditions. Radar is provided by RainViewer. Satellite imagery is sourced from NOAA/NESDIS GOES-East and is public domain.