Weather in Jefferson, SD
Updated 2026-09-26 10:00 local time · ZIP codes 57038

Patchy rain nearby
No government weather alerts were returned for this location at the latest update.
Next hours
62°32% rain
62°31% rain
65°26% rain
66°24% rain
68°20% rain
69°34% rain
68°31% rain
66°63% rain
64°72% rain
64°54% rain
64°48% rain
63°48% rain3-day weather forecast



Weather details
Sunrise, sunset and moon
Key weather changes ahead
Weather insights for today
Rain chance reaches about 72% over the next 12 hours.
It feels like 56°F with winds near 15 mph.
68°F, 20% rain chance and 14 mph wind.
Visibility is around 6 mi; gusts may reach 25 mph.
Current temperature is 62°F, wind 15 mph, rain chance up to 72%.
UV index is 1.
Local weather characteristics in Jefferson
South Dakota has a continental climate with hot summers, cold winters, frequent wind and strong differences between the Black Hills and the open plains.
Jefferson is part of the Midwest weather region. The forecast point is near 42.60°N latitude and 96.56°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.
Jefferson weather today
Patchy rain nearby and 62°F in Jefferson, SD. Today's high is 69°F with a 92% rain chance. Winds are around 15 mph with gusts near 25 mph. Relative humidity is 92%, pressure is 29.96 inHg, and visibility is about 6 miles.
Tonight and tomorrow in Jefferson
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 61°F. The maximum rain chance is 43%.