Weather in Summit, SD
Updated 2026-09-26 10:00 local time · ZIP codes 57266
Patchy rain nearby
No government weather alerts were returned for this location at the latest update.
Next hours
56°46% rain56°35% rain
57°33% rain58°40% rain59°35% rain60°34% rain59°34% rain60°32% rain59°32% rain58°35% rain
58°45% rain
58°43% rain3-day weather forecast
Weather details
Sunrise, sunset and moon
Key weather changes ahead
Weather insights for today
Rain chance reaches about 46% over the next 12 hours.
It feels like 51°F with winds near 12 mph.
60°F, 32% rain chance and 10 mph wind.
Visibility is around 6 mi; gusts may reach 24 mph.
Current temperature is 56°F, wind 12 mph, rain chance up to 46%.
UV index is 0.
Local weather characteristics in Summit
South Dakota has a continental climate with hot summers, cold winters, frequent wind and strong differences between the Black Hills and the open plains.
Summit is part of the Midwest weather region. The forecast point is near 45.30°N latitude and 97.04°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.
Summit weather today
Patchy rain nearby and 56°F in Summit, SD. Today's high is 60°F with a 92% rain chance. Winds are around 12 mph with gusts near 24 mph. Relative humidity is 96%, pressure is 29.94 inHg, and visibility is about 6 miles.
Tonight and tomorrow in Summit
Sunrise is at 07:20 AM and sunset is at 07:18 PM. Tomorrow's forecast calls for Patchy rain nearby with a high near 68°F and a low near 59°F. The maximum rain chance is 44%.