Weather in Hecla, SD
Updated 2026-09-26 09:00 local time · ZIP codes 57446

Light rain shower
No government weather alerts were returned for this location at the latest update.
Next hours
57°48% rain
57°39% rain
58°50% rain
59°44% rain
59°36% rain
61°29% rain
62°30% rain
62°32% rain
62°31% rain
61°40% rain
61°41% 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 50% over the next 12 hours.
It feels like 52°F with winds near 13 mph.
61°F, 29% rain chance and 9 mph wind.
Visibility is around 6 mi; gusts may reach 28 mph.
Current temperature is 57°F, wind 13 mph, rain chance up to 50%.
UV index is 0.
Local weather characteristics in Hecla
South Dakota has a continental climate with hot summers, cold winters, frequent wind and strong differences between the Black Hills and the open plains.
Hecla is part of the Midwest weather region. The forecast point is near 45.88°N latitude and 98.15°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.
Hecla weather today
Light rain shower and 57°F in Hecla, SD. Today's high is 62°F with a 88% rain chance. Winds are around 13 mph with gusts near 28 mph. Relative humidity is 93%, pressure is 29.88 inHg, and visibility is about 6 miles.
Tonight and tomorrow in Hecla
Sunrise is at 07:24 AM and sunset is at 07:23 PM. Tomorrow's forecast calls for Mist with a high near 76°F and a low near 59°F. The maximum rain chance is 18%.