Weather in New Underwood, SD
Updated 2026-09-26 08:00 local time · ZIP codes 57761

Partly Cloudy
No government weather alerts were returned for this location at the latest update.
Next hours
63°17% rain
67°5% rain
71°1% rain
72°1% rain
73°1% rain
75°0% rain
77°0% rain
77°0% rain
77°0% rain
77°1% rain
74°1% rain
70°1% 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 17%).
It feels like 63°F with winds near 3 mph.
70°F, 1% rain chance and 8 mph wind.
Visibility is around 6 mi; gusts may reach 24 mph.
Current temperature is 63°F, wind 3 mph, rain chance up to 17%.
UV index is 0.
Local weather characteristics in New Underwood
South Dakota has a continental climate with hot summers, cold winters, frequent wind and strong differences between the Black Hills and the open plains.
New Underwood is part of the Midwest weather region. The forecast point is near 44.10°N latitude and 102.83°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.
New Underwood weather today
Partly Cloudy and 63°F in New Underwood, SD. Today's high is 77°F with a 3% rain chance. Winds are around 3 mph with gusts near 6 mph. Relative humidity is 82%, pressure is 29.78 inHg, and visibility is about 6 miles.
Tonight and tomorrow in New Underwood
Sunrise is at 06:43 AM and sunset is at 06:42 PM. Tomorrow's forecast calls for Overcast with a high near 80°F and a low near 60°F. The maximum rain chance is 67%.