Enter your search query in the box below.

Castlewood, South Dakota Weather

Castlewood, South Dakota — live current conditions, hourly and 7-day forecasts, NWS alerts, aviation weather, radar and satellite imagery, soil and crop conditions for Castlewood, Hamlin County.

🌡️ Current Conditions
Loading current conditions…
24-Hour Forecast
Loading hourly forecast…
Current Conditions Detail
Loading detail…
7-Day Forecast
Loading 7-day forecast…
✈️ Aviation Weather

Flight conditions near Castlewood. Data source: locating…

Loading aviation data…
🚜 Agricultural Weather

Soil conditions, frost risk and crop weather for Castlewood.

Loading agricultural data…

About Castlewood, South Dakota

Castlewood rests as a quiet settlement upon the broad, rolling prairie of eastern South Dakota. It lies 82.7 miles north-north-west of Sioux Falls, SD (from Sioux Falls, SD: bearing 349°T), and is situated 12.9 miles south-south-east of Watertown. The land here is a study in subtle contours, a generous expanse where the horizon seems to stretch forever, broken only by the occasional cluster of farmsteads or the distant shimmer of heat rising from sun-baked fields. The air itself carries a particular clarity, especially in the early morning when the dew still clings to the grasses, lending a soft sheen to the landscape before the sun asserts its dominion. The character of Castlewood is one of weathered resilience, a place that has learned to live in concert with the vast, open sky and the predictable, yet often dramatic, moods of the seasons. The roots of Castlewood are deeply entwined with the agricultural bounty of Hamlin County, a heritage that continues to shape its local economy. For generations, the land has yielded crops, and the steady rhythm of planting and harvest dictates the pulse of daily life. The town itself, though modest in scale, possesses a quiet dignity, a testament to the enduring spirit of those who chose to build their lives here. It’s a place where history isn't always overtly displayed in grand monuments, but rather lives on in the stories shared over coffee at the local diner and in the enduring patterns of the land that have sustained its people for so long.

NWS Extended Forecast
Loading NWS forecast…
📡 Precipitation Radar

Live animated radar for Castlewood and surroundings — RainViewer.

Loading radar…
🛰️ 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
Calculating…
LocationCastlewood, Hamlin County, South Dakota
Coordinates44.722742°N, 97.030068°W
TimezoneCentral Time (America/Chicago)
ZIP Code(s)57223
Area Code605
Page generatedJuly 2026
Weather dataOpen-Meteo (open-source), NOAA National Weather Service

About This Castlewood, South Dakota Weather Page

This page provides live weather conditions and forecasts for Castlewood, 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 Castlewood includes coordinates 44.722742°N, 97.030068°W, situated in Hamlin County. ZIP code 57223. 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.