Yankton, SD 14 Day Weather - 57031 WeatherWorld.com
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Yankton, SD Weather Forecast


Yankton, SD Weather Forecast Dated: 619 PM Sun Sep 13 2026
Expect a mild stretch with a mix of sun and clouds and occasional showers over the coming period. moderate humidity and no major pressure swings will dominate.
Sunday, September 13, 2026
Mid-Morning
56°F 13°C
Overcast
Mid-Afternoon
75°F 24°C
Sunny
Early-Evening
70°F 21°C
Sunny
Pleasant near 75°F 24°C, overcast in the morning, sunny in the afternoon, and partly cloudy this evening, with steady humidity and barometric pressure falling. Winds turning from the E to the SE at 13 mph 21 km/h.
Monday, September 14, 2026
Mid-Morning
58°F 14°C
Light Showers
Mid-Afternoon
81°F 27°C
Scattered Showers
Early-Evening
80°F 27°C
Overcast
Balmy with temperatures reaching 81°F 27°C, scattered downpours possible, with lower humidity and barometric pressure falling. Winds switching from the SE to the NNW at 16 mph 26 km/h. Gusts up to 29 mph 47 km/h.
Tuesday, September 15, 2026
Mid-Morning
56°F 13°C
Overcast
Mid-Afternoon
72°F 22°C
Sunny
Early-Evening
69°F 21°C
Sunny
Enjoyable around 72°F 22°C, overcast in the morning, sunny in the afternoon, and cloudy this evening, with lower humidity and steady pressure. Winds decreasing from NNW 14 mph 22 km/h to ESE 5 mph 9 km/h.
Wednesday, September 16, 2026
Mid-Morning
56°F 14°C
Overcast
Mid-Afternoon
54°F 12°C
Scattered Showers
Early-Evening
54°F 12°C
Overcast
Crisp with a high near 54°F 12°C, periods of heavy rain and gusty conditions, with increasing humidity and steady pressure. Winds out of the ESE at 9 mph 15 km/h.
Thursday, September 17, 2026
Mid-Morning
59°F 15°C
Overcast
Mid-Afternoon
79°F 26°C
Overcast
Early-Evening
70°F 21°C
Overcast
Mild with a high of 79°F 26°C, overcast throughout the day, with lower humidity and barometric pressure falling. Winds blowing from the SSE at 12 mph 19 km/h.
Friday, September 18, 2026
Mid-Morning
67°F 19°C
Light Showers
Mid-Afternoon
87°F 31°C
Cloudy
Early-Evening
82°F 27°C
Cloudy
Warm and summery near 87°F 31°C, morning showers, giving way to clearing skies, with lower humidity and barometric pressure falling. Winds turning from the SE to the NW at 11 mph 17 km/h.
Saturday, September 19, 2026
Mid-Morning
64°F 18°C
Overcast
Mid-Afternoon
74°F 23°C
Overcast
Early-Evening
70°F 21°C
Overcast
Comfortable with temperatures reaching 74°F 23°C, overcast throughout the day, with lower humidity and steady pressure. Winds switching from the SE to the NE at 10 mph 15 km/h.
Sunday, September 20, 2026
Mid-Morning
63°F 17°C
Cloudy
Mid-Afternoon
66°F 19°C
Scattered Showers
Early-Evening
63°F 17°C
Scattered Showers
Cool with a high near 66°F 19°C, scattered downpours possible, with steady humidity and steady pressure. Winds moving from the ENE to the ESE at 11 mph 17 km/h.
Monday, September 21, 2026
Mid-Morning
56°F 13°C
Overcast
Mid-Afternoon
66°F 19°C
Cloudy
Early-Evening
63°F 17°C
Sunny
Refreshing around 66°F 19°C, cloudy in the morning, partly cloudy in the afternoon, and sunny this evening, with lower humidity and steady pressure.
Tuesday, September 22, 2026
Mid-Morning
54°F 12°C
Light Fog
Mid-Afternoon
70°F 21°C
Cloudy
Early-Evening
70°F 21°C
Sunny
Mild with a high of 70°F 21°C, sunny in the morning, partly cloudy in the afternoon, and overcast this evening, with lower humidity and barometric pressure falling. Winds SE at 9 mph 14 km/h.
Wednesday, September 23, 2026
Mid-Morning
63°F 17°C
Light Fog
Mid-Afternoon
82°F 28°C
Sunny
Early-Evening
76°F 25°C
Sunny
Warm and summery near 82°F 28°C, partly cloudy in the morning, becoming sunny through the afternoon and evening, with lower humidity and steady pressure. Winds shifting from the SW to the ESE at 10 mph 15 km/h.
Thursday, September 24, 2026
Mid-Morning
58°F 15°C
Sunny
Mid-Afternoon
75°F 24°C
Sunny
Early-Evening
72°F 22°C
Sunny
Comfortable with temperatures reaching 75°F 24°C, sunny throughout the day, with lower humidity and steady pressure. Winds turning from the SSE to the SE at 13 mph 20 km/h. Gusts up to 24 mph 39 km/h.
Friday, September 25, 2026
Mid-Morning
61°F 16°C
Sunny
Mid-Afternoon
76°F 24°C
Overcast
Early-Evening
73°F 23°C
Cloudy
Enjoyable around 76°F 24°C, sunny in the morning, cloudy in the afternoon, and overcast this evening, with steady humidity and steady pressure. Winds S at 19 mph 30 km/h. Gusts up to 27 mph 43 km/h.
Saturday, September 26, 2026
Mid-Morning
65°F 19°C
Sunny
Mid-Afternoon
82°F 28°C
Sunny
Early-Evening
76°F 25°C
Sunny
Warm temperatures up to 82°F 28°C, sunny throughout the day, with steady humidity and steady pressure. Winds moving from the S to the SSE at 15 mph 23 km/h. Gusts up to 27 mph 42 km/h.
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