Weather in Harrison, SD
Updated 2026-09-26 10:00 local time · ZIP codes 57344
Cloudy
No government weather alerts were returned for this location at the latest update.
Next hours
60°29% rain
64°23% rain67°22% rain68°19% rain69°22% rain71°20% rain70°21% rain67°25% rain67°21% rain66°20% rain
65°14% rain68°16% 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 12 mph.
71°F, 20% rain chance and 10 mph wind.
Visibility is around 6 mi; gusts may reach 22 mph.
Current temperature is 60°F, wind 12 mph, rain chance up to 29%.
UV index is 1.
Local weather characteristics in Harrison
South Dakota has a continental climate with hot summers, cold winters, frequent wind and strong differences between the Black Hills and the open plains.
Harrison is part of the Midwest weather region. The forecast point is near 43.43°N latitude and 98.53°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.
Harrison weather today
Cloudy and 60°F in Harrison, SD. Today's high is 71°F with a 71% rain chance. Winds are around 12 mph with gusts near 22 mph. Relative humidity is 94%, pressure is 29.87 inHg, and visibility is about 6 miles.
Tonight and tomorrow in Harrison
Sunrise is at 07:26 AM and sunset is at 07:24 PM. Tomorrow's forecast calls for Patchy rain nearby with a high near 72°F and a low near 61°F. The maximum rain chance is 31%.