Weather in Letcher, SD
Updated 2026-09-26 08:45 local time · ZIP codes 57359
Overcast
No government weather alerts were returned for this location at the latest update.
Next hours
58°33% rain
58°46% rain60°33% rain
65°43% rain64°29% rain65°35% rain66°29% rain66°26% rain65°29% rain64°29% rain
63°15% rain
65°16% 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 54°F with winds near 12 mph.
63°F, 15% rain chance and 11 mph wind.
Visibility is around 6 mi; gusts may reach 26 mph.
Current temperature is 58°F, wind 12 mph, rain chance up to 50%.
UV index is 0.
Local weather characteristics in Letcher
South Dakota has a continental climate with hot summers, cold winters, frequent wind and strong differences between the Black Hills and the open plains.
Letcher is part of the Midwest weather region. The forecast point is near 43.90°N latitude and 98.14°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.
Letcher weather today
Overcast and 58°F in Letcher, SD. Today's high is 66°F with a 80% rain chance. Winds are around 12 mph with gusts near 23 mph. Relative humidity is 96%, pressure is 29.90 inHg, and visibility is about 6 miles.
Tonight and tomorrow in Letcher
Sunrise is at 07:24 AM and sunset is at 07:23 PM. Tomorrow's forecast calls for Overcast with a high near 75°F and a low near 62°F. The maximum rain chance is 27%.