Weather in De Smet, SD
Updated 2026-08-11 11:00 local time · ZIP codes 57231
Partly cloudy
No government weather alerts were returned for this location at the latest update.
Next hours
73°12% rain
80°8% rain84°6% rain83°6% rain85°5% rain85°4% rain85°4% rain84°4% rain82°4% rain78°5% rain
75°7% rain73°9% rain3-day weather forecast
Weather details
Sunrise, sunset and moon
Weather insights for today
Rain chance stays relatively low over the next 12 hours (up to 12%).
It feels like 77°F with winds near 9 mph.
80°F, 8% rain chance and 9 mph wind.
Visibility is around 10 mi; gusts may reach 26 mph.
Current temperature is 73°F, wind 9 mph, rain chance up to 12%.
UV index is 4. Sunscreen and sunglasses are sensible for longer outdoor time.
De Smet weather today
Partly cloudy and 73°F in De Smet, SD. Today's high is 85°F with a 75% rain chance. Winds are around 9 mph with gusts near 10 mph. Relative humidity is 88%, pressure is 29.92 inHg, and visibility is about 10 miles.
Tonight and tomorrow in De Smet
Sunrise is at 06:28 AM and sunset is at 08:42 PM. Tomorrow's forecast calls for Sunny with a high near 92°F and a low near 67°F. The maximum rain chance is 57%.