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Sand Lake, SD Weather Forecast
Sand Lake, SD Weather Forecast Dated: 358 PM Wed Sep 09 2026
Expect a mild stretch with more clouds than sun and frequent chances of rain over the coming period. moderate humidity and no major pressure swings will dominate.
Wednesday, September 9, 2026
Mid-Morning
63°F 17°C
Sunny
Mid-Afternoon
79°F 26°C
Sunny
Early-Evening
75°F 24°C
Sunny
Pleasant near 79°F 26°C, sunny throughout the day, with lower humidity and steady pressure. Winds turning from the WNW to the NNW at 10 mph 16 km/h.
Thursday, September 10, 2026
Mid-Morning
63°F 17°C
Sunny
Mid-Afternoon
88°F 31°C
Sunny
Early-Evening
84°F 29°C
Sunny
Balmy with temperatures reaching 88°F 31°C, sunny throughout the day, with lower humidity and barometric pressure falling. Winds switching from the S to the SW at 10 mph 17 km/h.
Friday, September 11, 2026
Mid-Morning
71°F 22°C
Overcast
Mid-Afternoon
94°F 34°C
Overcast
Early-Evening
79°F 26°C
Partly Cloudy
Sizzling hot with 94°F 34°C, overcast through the afternoon, turning cloudy this evening, with lower humidity and steady pressure. Winds increasing from the SSE at 8 mph 13 km/h to N at 24 mph 38 km/h. Gusts up to 35 mph 56 km/h.
Saturday, September 12, 2026
Mid-Morning
55°F 13°C
Overcast
Mid-Afternoon
71°F 21°C
Cloudy
Early-Evening
67°F 20°C
Overcast
Mild temperatures up to 71°F 21°C, overcast in the morning, cloudy in the afternoon, and overcast this evening, with lower humidity and steady pressure. Winds out of the WNW at 9 mph 14 km/h.
Sunday, September 13, 2026
Mid-Morning
50°F 10°C
Overcast
Mid-Afternoon
56°F 13°C
Light Showers
Early-Evening
54°F 12°C
Light Showers
Brisk around 56°F 13°C, clouds and showers taking over for the afternoon and evening, with steady humidity and barometric pressure falling. Winds shifting from the ENE to the E at 15 mph 24 km/h. Gusts up to 28 mph 45 km/h.
Monday, September 14, 2026
Mid-Morning
52°F 11°C
Light Fog
Mid-Afternoon
58°F 14°C
Overcast
Early-Evening
53°F 12°C
Scattered Showers
Mildly cool near 58°F 14°C, locally heavy downpours at times, with lower humidity and barometric pressure rising. Winds turning from the SSW to the NNW at 12 mph 19 km/h. Gusts up to 20 mph 32 km/h.
Tuesday, September 15, 2026
Mid-Morning
50°F 10°C
Sunny
Mid-Afternoon
63°F 17°C
Sunny
Early-Evening
64°F 18°C
Overcast
Comfortable at 63°F 17°C, partly cloudy in the morning, cloudy in the afternoon, and overcast this evening, with lower humidity and steady pressure.
Wednesday, September 16, 2026
Mid-Morning
59°F 15°C
Overcast
Mid-Afternoon
61°F 16°C
Light Showers
Early-Evening
54°F 13°C
Light Showers
Cool with a high near 61°F 16°C, clouds and showers taking over for the afternoon and evening, with increasing humidity and steady pressure. Winds switching from the E to the ENE at 11 mph 18 km/h.
Thursday, September 17, 2026
Mid-Morning
58°F 14°C
Scattered Showers
Mid-Afternoon
71°F 22°C
Partly Cloudy
Early-Evening
71°F 22°C
Sunny
Mild temperatures up to 71°F 22°C, locally heavy downpours at times, with lower humidity and barometric pressure falling.
Friday, September 18, 2026
Mid-Morning
67°F 20°C
Fog
Mid-Afternoon
84°F 29°C
Overcast
Early-Evening
84°F 29°C
Nearby Thunderstorms
Very warm with a high of 84°F 29°C, periods of heavy thunderstorms, with lower humidity and barometric pressure falling. Winds moving from the S to the W at 11 mph 17 km/h. Gusts up to 20 mph 33 km/h.
Saturday, September 19, 2026
Mid-Morning
65°F 19°C
Sunny
Mid-Afternoon
77°F 25°C
Overcast
Early-Evening
77°F 25°C
Overcast
Pleasant near 77°F 25°C, sunny in the morning, overcast in the afternoon, and cloudy this evening, with lower humidity and steady pressure. Winds swinging from the ESE to the ENE at 6 mph 10 km/h.
Sunday, September 20, 2026
Mid-Morning
63°F 17°C
Overcast
Mid-Afternoon
62°F 17°C
Overcast
Early-Evening
64°F 18°C
Overcast
Cool with a high near 62°F 17°C, overcast throughout the day, with steady humidity and steady pressure.
Monday, September 21, 2026
Mid-Morning
57°F 14°C
Heavy Rain Showers
Mid-Afternoon
59°F 15°C
Nearby Thunderstorms
Early-Evening
58°F 15°C
Light Showers
Refreshing around 59°F 15°C, periods of heavy rain and gusty conditions, with steady humidity and steady pressure. Winds out of the ENE at 11 mph 17 km/h.
Tuesday, September 22, 2026
Mid-Morning
57°F 14°C
Light Fog
Mid-Afternoon
65°F 18°C
Overcast
Early-Evening
68°F 21°C
Partly Cloudy
Mildly cool near 65°F 18°C, overcast in the morning, cloudy in the afternoon, and sunny this evening, with lower humidity and steady pressure.
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