Culvert Lake, SD 14 Day Weather
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Culvert Lake, SD Weather Forecast


Culvert Lake, SD Weather Forecast Dated: 616 AM Thu Sep 10 2026
Expect a mild stretch with a mix of sun and clouds and frequent chances of rain over the coming period. moderate humidity and no major pressure swings will dominate.
Thursday, September 10, 2026
Mid-Morning
65°F 19°C
Sunny
Mid-Afternoon
86°F 30°C
Sunny
Early-Evening
82°F 28°C
Sunny
Warm and summery near 86°F 30°C, sunny throughout the day, with lower humidity and barometric pressure falling. Winds picking up from SSW at 4 mph 6 km/h to SSE at 15 mph 24 km/h. Gusts up to 27 mph 43 km/h.
Friday, September 11, 2026
Mid-Morning
75°F 24°C
Overcast
Mid-Afternoon
94°F 34°C
Nearby Thunderstorms
Early-Evening
90°F 32°C
Overcast
Hot and sweltering around 94°F 34°C, locally heavy thunderstorms at times, with lower humidity and barometric pressure falling. Winds switching from the SSW to the WNW at 15 mph 23 km/h. Gusts up to 28 mph 46 km/h.
Saturday, September 12, 2026
Mid-Morning
59°F 15°C
Sunny
Mid-Afternoon
74°F 23°C
Overcast
Early-Evening
68°F 20°C
Cloudy
Enjoyable around 74°F 23°C, sunny in the morning, overcast in the afternoon, and cloudy this evening, with lower humidity and steady pressure. Winds moving from the N to the NW at 7 mph 11 km/h.
Sunday, September 13, 2026
Mid-Morning
57°F 14°C
Overcast
Mid-Afternoon
62°F 17°C
Overcast
Early-Evening
62°F 17°C
Scattered Showers
Cool with a high near 62°F 17°C, periods of heavy rain and gusty conditions, with increasing humidity and barometric pressure falling. Winds swinging from the ENE to the E at 12 mph 18 km/h. Gusts up to 25 mph 40 km/h.
Monday, September 14, 2026
Mid-Morning
64°F 18°C
Fog
Mid-Afternoon
54°F 12°C
Scattered Showers
Early-Evening
55°F 13°C
Scattered Showers
Brisk around 54°F 12°C, scattered downpours possible, with lower humidity and barometric pressure rising. Winds shifting from the SW to the NW at 7 mph 11 km/h.
Tuesday, September 15, 2026
Mid-Morning
51°F 11°C
Fog
Mid-Afternoon
69°F 20°C
Sunny
Early-Evening
66°F 19°C
Sunny
Pleasant near 69°F 20°C, partly cloudy in the morning, becoming sunny through the afternoon and evening, with lower humidity and steady pressure.
Wednesday, September 16, 2026
Mid-Morning
62°F 17°C
Sunny
Mid-Afternoon
71°F 22°C
Sunny
Early-Evening
67°F 19°C
Light Showers
Comfortable with temperatures reaching 71°F 22°C, drier conditions through late afternoon before showers move in, with increasing humidity and barometric pressure falling. Winds S at 11 mph 18 km/h. Gusts up to 23 mph 36 km/h.
Thursday, September 17, 2026
Mid-Morning
43°F 6°C
Overcast
Mid-Afternoon
55°F 13°C
Sunny
Early-Evening
53°F 12°C
Sunny
Crisp with a high near 55°F 13°C, cloudy in the morning, becoming sunny through the afternoon and evening, with lower humidity and steady pressure. Winds easing from NNW 20 mph 32 km/h to N 8 mph 13 km/h.
Friday, September 18, 2026
Mid-Morning
49°F 9°C
Sunny
Mid-Afternoon
63°F 17°C
Sunny
Early-Evening
62°F 17°C
Sunny
Refreshing around 63°F 17°C, sunny throughout the day, with steady humidity and barometric pressure falling.
Saturday, September 19, 2026
Mid-Morning
55°F 13°C
Sunny
Mid-Afternoon
69°F 21°C
Sunny
Early-Evening
66°F 19°C
Sunny
Mild with a high of 69°F 21°C, sunny through the afternoon, turning partly cloudy this evening, with steady humidity and barometric pressure falling. Winds blowing from the SE at 6 mph 10 km/h.
Sunday, September 20, 2026
Mid-Morning
62°F 17°C
Partly Cloudy
Mid-Afternoon
76°F 25°C
Sunny
Early-Evening
73°F 23°C
Overcast
Pleasant near 76°F 25°C, sunny in the morning, cloudy in the afternoon, and overcast this evening, with steady humidity and barometric pressure falling. Winds swinging from the S to the SSE at 15 mph 24 km/h. Gusts up to 29 mph 47 km/h.
Monday, September 21, 2026
Mid-Morning
65°F 18°C
Light Showers
Mid-Afternoon
70°F 21°C
Overcast
Early-Evening
72°F 22°C
Overcast
Comfortable with temperatures reaching 70°F 21°C, morning showers, giving way to clearing skies, with lower humidity and steady pressure. Winds shifting from the WSW to the WNW at 12 mph 18 km/h. Gusts up to 23 mph 37 km/h.
Tuesday, September 22, 2026
Mid-Morning
53°F 12°C
Scattered Showers
Mid-Afternoon
54°F 12°C
Overcast
Early-Evening
53°F 11°C
Overcast
Brisk around 54°F 12°C, periods of heavy rain and gusty conditions, with steady humidity and barometric pressure rising. Winds turning from the NW to the NNW at 14 mph 22 km/h. Gusts up to 24 mph 38 km/h.
Wednesday, September 23, 2026
Mid-Morning
46°F 8°C
Light Fog
Mid-Afternoon
60°F 16°C
Sunny
Early-Evening
60°F 16°C
Sunny
Mildly cool near 60°F 16°C, sunny throughout the day, with lower humidity and barometric pressure falling.
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