Lost River, Idaho Weather
Lost River, Idaho — live current conditions, hourly and 7-day forecasts, NWS alerts, radar and satellite imagery, soil and crop conditions for Lost River, Butte County.
Full aviation weather for Lost River is published on the Arco Butte County Airport (KAOC) page, 10 km away. It carries the current METAR decoded into plain language — surface wind, visibility, cloud layers and ceiling, temperature and dewpoint, and altimeter setting — alongside the raw observation as transmitted. 6 airfields within reach of Lost River have their own pages, listed below.
The Terminal Aerodrome Forecast (TAF) is shown across its full validity period, with each change group broken out so you can see when conditions are expected to shift. Flight category is derived automatically — VFR, MVFR, IFR or LIFR — from reported ceiling and visibility, with runway details and field elevation alongside. Observations update roughly hourly and forecasts several times a day.
Other airports near Lost River: Antelope Valley Airport (KU92) 19 km · Mackay Airport (KU62) 30 km · Howe Airport (KU97) 31 km · Copper Basin Airport (K0U2) 39 km · Hollow Top Airport (K0U7) 44 km
Conditions reported at KAOC describe the airfield itself. Weather 10 km away can differ, particularly in terrain or near the coast. For conditions at Lost River specifically, see the current conditions and forecast above.
Soil conditions, frost risk and crop weather for Lost River.
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.
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, Butte County, Idaho |
| Coordinates | 43.689068°N, 113.371399°W |
| Timezone | Mountain Time (America/Boise) |
| ZIP Code(s) | 83255, 83251 |
| Area Code | 208 |
| Page generated | September 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, precipitation radar and NOAA GOES-16 satellite imagery. Aviation weather — live METAR observations and TAF forecasts — is published separately on the pages for the nearest reporting airports, linked from the aviation section above. 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. 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.
