Arco, Idaho Weather
Arco, Idaho — live current conditions, hourly and 7-day forecasts, NWS alerts, radar and satellite imagery, soil and crop conditions for Arco, Butte County.
Full aviation weather for Arco is published on the Arco Butte County Airport (KAOC) page, 5 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 Arco 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 Arco: Antelope Valley Airport (KU92) 25 km · Howe Airport (KU97) 31 km · Mackay Airport (KU62) 38 km · Hollow Top Airport (K0U7) 42 km · Copper Basin Airport (K0U2) 46 km
Conditions reported at KAOC describe the airfield itself. Weather 5 km away can differ, particularly in terrain or near the coast. For conditions at Arco specifically, see the current conditions and forecast above.
Soil conditions, frost risk and crop weather for Arco.
About Arco, Idaho
Arco sits at the edge of a vast, flat expanse, where the ochre earth meets a sky so wide it seems to swallow the horizon. It lies 64.5 miles west of Idaho Falls, ID (from Idaho Falls, ID: bearing 281°T), and is situated 24.8 miles south-east of Mackay. The Snake River Plain stretches out, a seemingly endless canvas of sagebrush and dry grasses, punctuated by distant, slumbering volcanic cones that punctuate the skyline like ancient sentinels. The air here carries a dry, clean scent, a mix of sun-baked dust and the subtle perfume of desert flora, and when the wind whispers through the sparse vegetation, it sounds like the land itself sighing. The sun beats down with an honest intensity, bleaching the colors from the low-slung buildings and the single, wide main street, lending a timeless quality to the scene. This arid basin tells a story of resilience and innovation, a place where the very ground beneath your feet once bubbled and flowed with molten rock. Arco’s history is deeply entwined with the nearby National Reactor Testing Station, a place that once hummed with the energy of nuclear discovery and research, making it the first place in the world to be powered by atomic energy. Though that era has passed, the spirit of inquiry and adaptation lingers, a quiet undercurrent in the local economy that now leans heavily on agriculture—fields of potatoes and sugar beets drawing life from the rich soil under the relentless sun. The stark beauty of the surrounding desert, with its stark geological formations and the nearby Craters of the Moon National Monument, draws a different kind of visitor, those seeking the raw, untamed spirit of the high desert.
Live animated radar for Arco 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 | Arco, Butte County, Idaho |
| Coordinates | 43.636569°N, 113.300284°W |
| Timezone | Mountain Time (America/Boise) |
| ZIP Code(s) | 83213 |
| Area Code | 208 |
| Page generated | September 2026 |
| Weather data | Open-Meteo (open-source), NOAA National Weather Service |
About This Arco, Idaho Weather Page
This page provides live weather conditions and forecasts for Arco, 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 Arco includes coordinates 43.636569°N, 113.300284°W, situated in Butte County. ZIP code 83213. 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.
