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, Custer County.
Flight conditions near Lost River. Data source: locating…
Soil conditions, frost risk and crop weather for Lost River.
About Lost River, Idaho
Lost River exhales a quiet resilience against the immense, rugged canvas of Custer County. It lies 80.6 miles west-north-west of Idaho Falls, ID (from Idaho Falls, ID: bearing 281°T), and is situated 16.1 miles west-north-west of Arco. The landscape here is a study in contrasts: vast, sun-bleached plains surrender to the muscular shoulders of the Pioneer Mountains, their peaks often dusted with the first whispers of snow even in early autumn. Sagebrush, tenacious and fragrant, clings to the dry earth, punctuated by the stoic silhouettes of juniper. A palpable stillness often settles over the valley, broken only by the sigh of the wind or the distant call of a hawk circling in the impossibly blue sky. The quality of light, particularly as the sun begins its descent, paints the mountains in hues of rose and deep violet, lending a dramatic grandeur to the otherwise austere beauty of Lost River. The story of Lost River is intrinsically tied to the earth and the promise of its bounty. Once a vital artery for miners seeking fortunes in the surrounding hills, its economy has since pivoted to the agricultural rhythms of the valley floor. Ranching and hay farming define the enduring character of Lost River, with sprawling pastures and golden fields stretching towards the horizon. The air, especially in the early morning, carries the clean, earthy scent of damp soil and ripening grasses, a testament to generations of labor. While the grand mining booms have long since faded, a spirit of self-reliance and community endures, a quiet legacy etched into the very soul of Lost River.
Live animated radar for Lost River and surroundings — RainViewer.
NOAA GOES-16 GEOCOLOR — live animated loop updated every 10 minutes. Shows cloud cover, storm systems and weather patterns across the continental US.
Source: NOAA/NESDIS GOES-East · Public domain · Auto-updates on page reload
| Location | Lost River, Custer County, Idaho |
| Coordinates | 43.68691°N, 113.614571°W |
| Timezone | Mountain Time (America/Boise) |
| ZIP Code(s) | 83255, 83251 |
| Area Code | 208 |
| Page generated | July 2026 |
| Weather data | Open-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 43.686910°N, 113.614571°W, situated in Custer 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.
