Weather in Ethan, SD
Updated 2026-09-26 10:00 local time · ZIP codes 57334

Overcast
No government weather alerts were returned for this location at the latest update.
Next hours
61°29% rain
63°28% rain
64°28% rain
66°24% rain
66°26% rain
66°26% rain
66°24% rain
66°24% rain
64°26% rain
63°27% rain
64°28% rain
65°29% rain3-day weather forecast



Weather details
Sunrise, sunset and moon
Key weather changes ahead
Weather insights for today
Rain chance stays relatively low over the next 12 hours (up to 29%).
It feels like 56°F with winds near 13 mph.
66°F, 24% rain chance and 11 mph wind.
Visibility is around 6 mi; gusts may reach 22 mph.
Current temperature is 61°F, wind 13 mph, rain chance up to 29%.
UV index is 0.
Local weather characteristics in Ethan
South Dakota has a continental climate with hot summers, cold winters, frequent wind and strong differences between the Black Hills and the open plains.
Ethan is part of the Midwest weather region. The forecast point is near 43.55°N latitude and 97.99°W longitude. Local temperature, wind and precipitation can still differ from nearby places, especially where terrain, coastlines or urban development create small-scale weather changes.
Ethan weather today
Overcast and 61°F in Ethan, SD. Today's high is 66°F with a 76% rain chance. Winds are around 13 mph with gusts near 22 mph. Relative humidity is 92%, pressure is 29.90 inHg, and visibility is about 6 miles.
Tonight and tomorrow in Ethan
Sunrise is at 07:23 AM and sunset is at 07:22 PM. Tomorrow's forecast calls for Patchy rain nearby with a high near 71°F and a low near 62°F. The maximum rain chance is 47%.