Weather in Yankton, SD
Updated 2026-08-11 12:00 local time · ZIP codes 57078

Sunny
No government weather alerts were returned for this location at the latest update.
Next hours
81°6% rain
91°4% rain
93°3% rain
93°3% rain
93°2% rain
92°2% rain
91°2% rain
88°3% rain
84°5% rain
81°7% rain
79°7% rain
78°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 9%).
It feels like 85°F with winds near 9 mph.
84°F, 5% rain chance and 9 mph wind.
Visibility is around 10 mi; gusts may reach 32 mph.
Current temperature is 81°F, wind 9 mph, rain chance up to 9%.
UV index is 5. Sunscreen and sunglasses are sensible for longer outdoor time.
Yankton weather today
Sunny and 81°F in Yankton, SD. Today's high is 93°F with a 9% rain chance. Winds are around 9 mph with gusts near 10 mph. Relative humidity is 84%, pressure is 29.85 inHg, and visibility is about 10 miles.
Tonight and tomorrow in Yankton
Sunrise is at 06:31 AM and sunset is at 08:38 PM. Tomorrow's forecast calls for Sunny with a high near 97°F and a low near 67°F. The maximum rain chance is 57%.