Sully County, SD 14 Day Weather - WeatherWorld.com
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Sully County, SD Weather Forecast


Sully County, SD Weather Forecast Dated: 1036 PM Wed Oct 07 2026
Expect a cool pattern with a mix of sun and clouds and occasional showers over the coming period. moderate humidity and no major pressure swings will dominate.
Wednesday, October 7, 2026
Mid-Morning
60°F 15°C
Partly Cloudy
Mid-Afternoon
75°F 24°C
Overcast
Early-Evening
67°F 20°C
Overcast
Pleasant near 75°F 24°C, partly cloudy in the morning, becoming overcast through the afternoon and evening, with lower humidity and steady pressure. Winds turning from the NW to the NNE at 7 mph 10 km/h.
Thursday, October 8, 2026
Mid-Morning
54°F 12°C
Overcast
Mid-Afternoon
71°F 21°C
Partly Cloudy
Early-Evening
64°F 18°C
Sunny
Comfortable with temperatures reaching 71°F 21°C, overcast in the morning, cloudy in the afternoon, and sunny this evening, with steady humidity and barometric pressure falling. Winds switching from the E to the ENE at 8 mph 13 km/h.
Friday, October 9, 2026
Mid-Morning
55°F 13°C
Sunny
Mid-Afternoon
79°F 26°C
Sunny
Early-Evening
78°F 25°C
Overcast
Enjoyable around 79°F 26°C, sunny through the afternoon, turning overcast this evening, with lower humidity and barometric pressure falling. Winds moving from the ESE to the SSE at 15 mph 23 km/h. Gusts up to 33 mph 53 km/h.
Saturday, October 10, 2026
Mid-Morning
66°F 19°C
Sunny
Mid-Afternoon
90°F 32°C
Sunny
Early-Evening
80°F 27°C
Partly Cloudy
Hot temperatures near 90°F 32°C, sunny throughout the day, with lower humidity and steady pressure. Winds swinging from the S to the SSE at 6 mph 9 km/h.
Sunday, October 11, 2026
Mid-Morning
54°F 12°C
Partly Cloudy
Mid-Afternoon
62°F 17°C
Overcast
Early-Evening
58°F 15°C
Cloudy
Refreshing around 62°F 17°C, cloudy in the morning, becoming overcast through the afternoon and evening, with steady humidity and steady pressure. Winds blowing from the N at 11 mph 18 km/h.
Monday, October 12, 2026
Mid-Morning
46°F 8°C
Overcast
Mid-Afternoon
46°F 8°C
Scattered Showers
Early-Evening
43°F 6°C
Drizzle
Cool and brisk at 46°F 8°C, locally heavy downpours at times, with steady humidity and steady pressure. Winds turning from the N to the NNW at 10 mph 16 km/h.
Tuesday, October 13, 2026
Mid-Morning
45°F 7°C
Cloudy
Mid-Afternoon
58°F 14°C
Sunny
Early-Evening
58°F 15°C
Sunny
Comfortable at 58°F 14°C, partly cloudy in the morning, sunny in the afternoon, and partly cloudy this evening, with lower humidity and barometric pressure falling. Winds picking up from SE at 6 mph 10 km/h to SSE at 18 mph 28 km/h. Gusts up to 33 mph 53 km/h.
Wednesday, October 14, 2026
Mid-Morning
57°F 14°C
Partly Cloudy
Mid-Afternoon
61°F 16°C
Overcast
Early-Evening
57°F 15°C
Rain
Cool with a high near 61°F 16°C, mainly dry until evening showers arrive, with increasing humidity and steady pressure. Winds tapering down from S 14 mph 23 km/h to ESE 3 mph 5 km/h.
Thursday, October 15, 2026
Mid-Morning
52°F 11°C
Drizzle
Mid-Afternoon
45°F 7°C
Drizzle
Early-Evening
42°F 6°C
Drizzle
Brisk around 45°F 7°C, on-and-off showers throughout the day, with steady humidity and barometric pressure rising. Winds swinging from the ESE to the NNW at 19 mph 30 km/h. Gusts up to 30 mph 49 km/h.
Friday, October 16, 2026
Mid-Morning
38°F 3°C
Snow
Mid-Afternoon
39°F 4°C
Blizzard
Early-Evening
39°F 4°C
Snow
Nippy around 39°F 4°C, periods of blowing snow, with steady humidity and steady pressure. Winds out of the NNW at 17 mph 27 km/h. Gusts up to 24 mph 39 km/h.
Saturday, October 17, 2026
Mid-Morning
36°F 2°C
Overcast
Mid-Afternoon
46°F 8°C
Sunny
Early-Evening
42°F 6°C
Sunny
Chilly near 46°F 8°C, partly cloudy in the morning, becoming sunny through the afternoon and evening, with lower humidity and barometric pressure falling. Winds turning from the NW to the SSW at 5 mph 9 km/h.
Sunday, October 18, 2026
Mid-Morning
40°F 4°C
Overcast
Mid-Afternoon
58°F 14°C
Cloudy
Early-Evening
52°F 11°C
Sunny
Cool with a high near 58°F 14°C, overcast in the morning, partly cloudy in the afternoon, and sunny this evening, with lower humidity and barometric pressure falling. Winds SSW at 9 mph 14 km/h.
Monday, October 19, 2026
Mid-Morning
52°F 11°C
Sunny
Mid-Afternoon
61°F 16°C
Sunny
Early-Evening
52°F 11°C
Sunny
Refreshing around 61°F 16°C, sunny through the afternoon, turning cloudy this evening, with steady humidity and barometric pressure rising. Winds moving from the WNW to the ESE at 9 mph 15 km/h.
Tuesday, October 20, 2026
Mid-Morning
41°F 5°C
Partly Cloudy
Mid-Afternoon
53°F 11°C
Sunny
Early-Evening
48°F 9°C
Sunny
Cool and brisk at 53°F 11°C, sunny throughout the day, with lower humidity and barometric pressure falling. Winds swinging from the ENE to the SE at 8 mph 13 km/h.
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