Oacoma, South Dakota Weather
Oacoma, South Dakota — live current conditions, hourly and 7-day forecasts, NWS alerts, aviation weather, radar and satellite imagery, soil and crop conditions for Oacoma, Lyman County.
Flight conditions near Oacoma. Data source: locating…
Soil conditions, frost risk and crop weather for Oacoma.
About Oacoma, South Dakota
Oacoma rests on the broad, sun-baked plains where the Missouri River, tamed into a vast reservoir, laps at the land. It lies 123.7 miles south-south-west of Aberdeen, SD (from Aberdeen, SD: bearing 202°T), and is situated 3.4 miles west-south-west of Chamberlain. The air here carries the dry scent of prairie grasses and the faint, mineral tang of the water, a constant presence even when unseen, shaping the horizon with its immense, shimmering expanse. Low-lying hills, their slopes softened by the relentless wind and the slow march of seasons, rise gently from the flatlands, their contours blurring into the hazy distance under a sky that seems to stretch on forever, vast and indifferent. The light at dusk often paints these undulations in hues of ochre and deep rose, a fleeting, quiet glory that settles over Oacoma as the day draws to a close. The history of Oacoma is intimately tied to the great river and the land it irrigates, a story of pioneers and perseverance that echoes in the weathered structures and the enduring spirit of its people. Once a vital stop along the river's course, Oacoma now finds its economic pulse linked to the recreational bounty of the Missouri, drawing visitors to its shores for fishing, boating, and the simple pleasure of wide-open spaces. The vastness of Lake Sharpe, a product of the river's modern transformation, offers a watery playground, its shores dotted with marinas and campgrounds that hum with activity during the warmer months. Though small, Oacoma holds a quiet dignity, a testament to the resilience of life on the prairie, where the economy is as much about the harvest of the land as it is about the gifts of the water.
Live animated radar for Oacoma 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 | Oacoma, Lyman County, South Dakota |
| Coordinates | 43.796105°N, 99.395657°W |
| Timezone | Central Time (America/Chicago) |
| ZIP Code(s) | 57365 |
| Area Code | 605 |
| Page generated | July 2026 |
| Weather data | Open-Meteo (open-source), NOAA National Weather Service |
About This Oacoma, South Dakota Weather Page
This page provides live weather conditions and forecasts for Oacoma, South Dakota, 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 Oacoma includes coordinates 43.796105°N, 99.395657°W, situated in Lyman County. ZIP code 57365. Telephone area code: 605. Timezone: Central Time (America/Chicago).
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.
