Weather in Alcester, SD
Updated 2026-09-26 08:45 local time · ZIP codes 57001
Light rain shower
No government weather alerts were returned for this location at the latest update.
Next hours
59°59% rain
59°42% rain61°33% rain61°31% rain64°30% rain65°32% rain
67°21% rain68°27% rain67°22% rain65°35% rain63°44% rain
62°39% rain3-day weather forecast
Weather details
Sunrise, sunset and moon
Key weather changes ahead
Weather insights for today
Rain chance reaches about 44% over the next 12 hours.
It feels like 53°F with winds near 14 mph.
67°F, 22% rain chance and 11 mph wind.
Visibility is around 6 mi; gusts may reach 30 mph.
Current temperature is 59°F, wind 14 mph, rain chance up to 44%.
UV index is 0.
Local weather characteristics in Alcester
South Dakota has a continental climate with hot summers, cold winters, frequent wind and strong differences between the Black Hills and the open plains.
Alcester is part of the Midwest weather region. The forecast point is near 43.02°N latitude and 96.63°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.
Alcester weather today
Light rain shower and 59°F in Alcester, SD. Today's high is 68°F with a 92% rain chance. Winds are around 14 mph with gusts near 30 mph. Relative humidity is 97%, pressure is 29.96 inHg, and visibility is about 6 miles.
Tonight and tomorrow in Alcester
Sunrise is at 07:18 AM and sunset is at 07:17 PM. Tomorrow's forecast calls for Patchy rain nearby with a high near 70°F and a low near 60°F. The maximum rain chance is 61%.