Weather in Stephan, SD
Updated 2026-09-26 10:00 local time · ZIP codes 57346
Overcast
No government weather alerts were returned for this location at the latest update.
Next hours
59°31% rain
62°30% rain64°26% rain65°24% rain65°21% rain
68°12% rain
70°8% rain70°6% rain
70°5% rain71°8% rain
68°13% rain68°16% rain3-day weather forecast
Weather details
Sunrise, sunset and moon
Key weather changes ahead
Weather insights for today
There is a moderate rain chance, peaking near 31%.
It feels like 55°F with winds near 11 mph.
70°F, 5% rain chance and 8 mph wind.
Visibility is around 6 mi; gusts may reach 21 mph.
Current temperature is 59°F, wind 11 mph, rain chance up to 31%.
UV index is 1.
Local weather characteristics in Stephan
South Dakota has a continental climate with hot summers, cold winters, frequent wind and strong differences between the Black Hills and the open plains.
Stephan is part of the Midwest weather region. The forecast point is near 44.25°N latitude and 99.45°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.
Stephan weather today
Overcast and 59°F in Stephan, SD. Today's high is 71°F with a 53% rain chance. Winds are around 11 mph with gusts near 21 mph. Relative humidity is 92%, pressure is 29.84 inHg, and visibility is about 6 miles.
Tonight and tomorrow in Stephan
Sunrise is at 07:29 AM and sunset is at 07:28 PM. Tomorrow's forecast calls for Mist with a high near 71°F and a low near 59°F. The maximum rain chance is 19%.