Mellette, SD 14 Day Weather - 57461 WeatherWorld.com
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Mellette, SD Weather Forecast


Mellette, SD Weather Forecast Dated: 128 AM Sun Sep 06 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 6, 2026
Mid-Morning
73°F 23°C
Nearby Thunderstorms
Mid-Afternoon
87°F 30°C
Scattered Showers
Early-Evening
72°F 23°C
Scattered Showers
Warm and summery near 87°F 30°C, periods of heavy thunderstorms, with steady humidity and steady pressure. Winds picking up from ENE at 8 mph 12 km/h to ESE at 21 mph 34 km/h. Gusts up to 35 mph 56 km/h.
Monday, September 7, 2026
Mid-Morning
68°F 20°C
Overcast
Mid-Afternoon
83°F 28°C
Overcast
Early-Evening
88°F 31°C
Nearby Thunderstorms
Balmy with temperatures reaching 83°F 28°C, locally heavy thunderstorms at times, with lower humidity and barometric pressure falling. Winds switching from the SSE to the E at 11 mph 17 km/h.
Tuesday, September 8, 2026
Mid-Morning
73°F 23°C
Cloudy
Mid-Afternoon
85°F 29°C
Sunny
Early-Evening
80°F 27°C
Sunny
Quite warm around 85°F 29°C, cloudy in the morning, becoming sunny through the afternoon and evening, with steady humidity and steady pressure. Winds moving from the NW to the WNW at 12 mph 19 km/h.
Wednesday, September 9, 2026
Mid-Morning
64°F 18°C
Sunny
Mid-Afternoon
78°F 26°C
Sunny
Early-Evening
77°F 25°C
Partly Cloudy
Mild temperatures up to 78°F 26°C, sunny through the afternoon, turning partly cloudy this evening, with lower humidity and barometric pressure falling. Winds swinging from the WNW to the W at 12 mph 18 km/h. Gusts up to 20 mph 32 km/h.
Thursday, September 10, 2026
Mid-Morning
64°F 18°C
Overcast
Mid-Afternoon
86°F 30°C
Overcast
Early-Evening
85°F 30°C
Overcast
Very warm with a high of 86°F 30°C, overcast through the afternoon, turning cloudy this evening, with lower humidity and barometric pressure falling. Winds shifting from the S to the SSW at 6 mph 10 km/h.
Friday, September 11, 2026
Mid-Morning
64°F 18°C
Partly Cloudy
Mid-Afternoon
79°F 26°C
Overcast
Early-Evening
71°F 22°C
Sunny
Pleasant near 79°F 26°C, sunny in the morning, partly cloudy in the afternoon, and sunny this evening, with lower humidity and steady pressure. Winds turning from the NE to the N at 17 mph 27 km/h. Gusts up to 25 mph 40 km/h.
Saturday, September 12, 2026
Mid-Morning
55°F 13°C
Sunny
Mid-Afternoon
67°F 19°C
Sunny
Early-Evening
64°F 18°C
Sunny
Comfortable at 67°F 19°C, sunny through the afternoon, turning overcast this evening, with lower humidity and steady pressure. Winds easing from NW 17 mph 27 km/h to SE 8 mph 12 km/h.
Sunday, September 13, 2026
Mid-Morning
47°F 9°C
Light Showers
Mid-Afternoon
45°F 7°C
Light Showers
Early-Evening
45°F 7°C
Light Showers
Crisp with a high near 45°F 7°C, persistent showers off and on through the day, with steady humidity and steady pressure. Winds moving from the ENE to the NNE at 10 mph 17 km/h.
Monday, September 14, 2026
Mid-Morning
46°F 8°C
Scattered Showers
Mid-Afternoon
55°F 13°C
Overcast
Early-Evening
54°F 13°C
Overcast
Brisk around 55°F 13°C, locally heavy downpours at times, with lower humidity and steady pressure.
Tuesday, September 15, 2026
Mid-Morning
51°F 11°C
Sunny
Mid-Afternoon
65°F 19°C
Sunny
Early-Evening
65°F 18°C
Sunny
Mildly cool near 65°F 19°C, sunny throughout the day, with lower humidity and barometric pressure falling.
Wednesday, September 16, 2026
Mid-Morning
55°F 13°C
Sunny
Mid-Afternoon
72°F 22°C
Partly Cloudy
Early-Evening
72°F 22°C
Cloudy
Pleasant near 72°F 22°C, sunny in the morning, becoming cloudy through the afternoon and evening, with steady humidity and barometric pressure falling. Winds swinging from the SSE to the E at 11 mph 17 km/h. Gusts up to 20 mph 33 km/h.
Thursday, September 17, 2026
Mid-Morning
58°F 15°C
Sunny
Mid-Afternoon
73°F 23°C
Sunny
Early-Evening
75°F 24°C
Sunny
Comfortable with temperatures reaching 73°F 23°C, sunny through the afternoon, turning partly cloudy this evening, with lower humidity and barometric pressure falling. Winds shifting from the ENE to the SE at 8 mph 13 km/h.
Friday, September 18, 2026
Mid-Morning
57°F 14°C
Light Showers
Mid-Afternoon
67°F 19°C
Overcast
Early-Evening
67°F 20°C
Scattered Showers
Refreshing around 67°F 19°C, periods of heavy rain and gusty conditions, with lower humidity and steady pressure. Winds blowing from the SSE at 24 mph 39 km/h. Gusts up to 43 mph 69 km/h.
Saturday, September 19, 2026
Mid-Morning
62°F 17°C
Scattered Showers
Mid-Afternoon
74°F 24°C
Sunny
Early-Evening
74°F 24°C
Sunny
Mild temperatures up to 74°F 24°C, scattered downpours possible, with lower humidity and steady pressure. Winds switching from the NNW to the WNW at 4 mph 6 km/h.
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