Weather in Morristown, SD
Updated 2026-09-26 10:45 local time · ZIP codes 57645
Overcast
No government weather alerts were returned for this location at the latest update.
Next hours
56°26% rain59°21% rain
61°14% rain
66°4% rain70°1% rain69°1% rain68°1% rain76°1% rain
72°1% rain70°1% rain69°1% rain67°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 24%).
It feels like 51°F with winds near 9 mph.
70°F, 1% rain chance and 7 mph wind.
Visibility is around 6 mi; gusts may reach 13 mph.
Current temperature is 56°F, wind 9 mph, rain chance up to 24%.
UV index is 1.
Local weather characteristics in Morristown
South Dakota has a continental climate with hot summers, cold winters, frequent wind and strong differences between the Black Hills and the open plains.
Morristown is part of the Midwest weather region. The forecast point is near 45.94°N latitude and 101.72°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.
Morristown weather today
Overcast and 56°F in Morristown, SD. Today's high is 76°F with a 11% rain chance. Winds are around 9 mph with gusts near 13 mph. Relative humidity is 83%, pressure is 29.82 inHg, and visibility is about 6 miles.
Tonight and tomorrow in Morristown
Sunrise is at 06:39 AM and sunset is at 06:37 PM. Tomorrow's forecast calls for Sunny with a high near 65°F and a low near 53°F. The maximum rain chance is 61%.