Olsonville Roadside Park, SD 14 Day Weather
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Olsonville Roadside Park, SD Weather Forecast


Olsonville Roadside Park, SD Weather Forecast Dated: 857 PM Sun Aug 30 2026 (Olsonville Roadside Park Time)
Expect a very warm period with a mix of sun and clouds and occasional showers over the next two weeks. comfortable humidity and an unsettled pattern will dominate.
Sunday, August 30, 2026
Mid-Morning
70°F 21°C
Sunny
Mid-Afternoon
90°F 32°C
Overcast
Early-Evening
86°F 30°C
Overcast
Hot with overcast skies, lower humidity and steady pressure. Winds shifting from WSW to SSW at 11 mph 17 km/h.
Monday, August 31, 2026
Mid-Morning
62°F 17°C
Overcast
Mid-Afternoon
81°F 27°C
Sunny
Early-Evening
82°F 28°C
Overcast
Very warm with mostly cloudy skies in the morning, mostly sunny in the afternoon, and mostly cloudy in the evening, lower humidity and barometric pressure falling.
Tuesday, September 1, 2026
Mid-Morning
70°F 21°C
Overcast
Mid-Afternoon
73°F 23°C
Scattered Showers
Early-Evening
76°F 25°C
Scattered Showers
Warm with a mix of sun and clouds, increasing humidity and steady pressure. Spotty showers, dry in most areas. Winds shifting from WSW to E at 11 mph 17 km/h.
Wednesday, September 2, 2026
Mid-Morning
62°F 17°C
Sunny
Mid-Afternoon
89°F 31°C
Overcast
Early-Evening
88°F 31°C
Sunny
Very warm with overcast skies, lower humidity and barometric pressure falling. Winds shifting from SE to S at 11 mph 18 km/h.
Thursday, September 3, 2026
Mid-Morning
78°F 26°C
Partly Cloudy
Mid-Afternoon
89°F 31°C
Sunny
Early-Evening
88°F 31°C
Sunny
Very warm with mostly sunny skies in the morning, then mostly sunny for the afternoon and evening, lower humidity and steady pressure. Winds shifting from WSW to SSE at 7 mph 12 km/h.
Friday, September 4, 2026
Mid-Morning
80°F 27°C
Sunny
Mid-Afternoon
93°F 34°C
Sunny
Early-Evening
91°F 33°C
Sunny
Hot with partly sunny skies in the morning, then mostly sunny for the afternoon and evening, lower humidity and steady pressure. Winds shifting from SSW to SE at 8 mph 12 km/h.
Saturday, September 5, 2026
Mid-Morning
80°F 27°C
Partly Cloudy
Mid-Afternoon
95°F 35°C
Cloudy
Early-Evening
94°F 34°C
Cloudy
Hot with mostly cloudy skies, lower humidity and steady pressure. Winds shifting from SSW to SSE at 16 mph 25 km/h.
Sunday, September 6, 2026
Mid-Morning
85°F 30°C
Partly Cloudy
Mid-Afternoon
96°F 35°C
Overcast
Early-Evening
93°F 34°C
Cloudy
Hot with overcast skies, steady humidity and steady pressure. Winds shifting from SSW to S at 12 mph 19 km/h.
Monday, September 7, 2026
Mid-Morning
86°F 30°C
Partly Cloudy
Mid-Afternoon
99°F 37°C
Sunny
Early-Evening
87°F 31°C
Partly Cloudy
Hot with mostly sunny skies in the morning, mostly sunny in the afternoon, and partly sunny in the evening, lower humidity and steady pressure. Winds shifting from SW to NNW at 19 mph 31 km/h.
Tuesday, September 8, 2026
Mid-Morning
74°F 24°C
Cloudy
Mid-Afternoon
92°F 33°C
Partly Cloudy
Early-Evening
94°F 34°C
Overcast
Hot with mostly cloudy skies in the morning, mostly cloudy in the afternoon, and partly sunny in the evening, steady humidity and barometric pressure falling. Winds shifting from SW to NNW at 9 mph 14 km/h.
Wednesday, September 9, 2026
Mid-Morning
72°F 22°C
Sunny
Mid-Afternoon
82°F 28°C
Partly Cloudy
Early-Evening
81°F 27°C
Sunny
Very warm with mostly sunny skies in the morning, mostly sunny in the afternoon, and partly sunny in the evening, steady humidity and steady pressure. Winds shifting from NNE to E at 11 mph 17 km/h.
Thursday, September 10, 2026
Mid-Morning
69°F 21°C
Scattered Showers
Mid-Afternoon
82°F 28°C
Overcast
Early-Evening
79°F 27°C
Overcast
Very warm with overcast skies, lower humidity and steady pressure. Winds shifting from S to NNW at 11 mph 18 km/h.
Friday, September 11, 2026
Mid-Morning
66°F 19°C
Sunny
Mid-Afternoon
73°F 23°C
Nearby Thunderstorms
Early-Evening
53°F 12°C
Light Showers
Warm with cloudy skies, increasing humidity and steady pressure. A few pop-up thunderstorms. Winds increasing from the ESE at 11 mph 18 km/h to SW at 24 mph 37 km/h.
Saturday, September 12, 2026
Mid-Morning
43°F 6°C
Sunny
Mid-Afternoon
56°F 13°C
Sunny
Early-Evening
61°F 17°C
Sunny
Cool with mostly sunny skies in the morning, then mostly sunny for the afternoon and evening, lower humidity and steady pressure. Winds decreasing from NW 17 mph 27 km/h to S 7 mph 12 km/h.
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