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De Smet, SD Weather Forecast
De Smet, SD Weather Forecast Dated: 747 PM Wed Sep 09 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.
Wednesday, September 9, 2026
Mid-Morning
64°F 18°C
Partly Cloudy
Mid-Afternoon
77°F 25°C
Sunny
Early-Evening
73°F 23°C
Sunny
Pleasant near 77°F 25°C, cloudy in the morning, becoming sunny through the afternoon and evening, with lower humidity and steady pressure. Winds out of the WNW at 13 mph 21 km/h.
Thursday, September 10, 2026
Mid-Morning
67°F 20°C
Sunny
Mid-Afternoon
83°F 28°C
Sunny
Early-Evening
81°F 28°C
Sunny
Balmy with temperatures reaching 83°F 28°C, sunny throughout the day, with steady humidity and barometric pressure falling. Winds switching from the S to the SSE at 13 mph 21 km/h. Gusts up to 26 mph 42 km/h.
Friday, September 11, 2026
Mid-Morning
71°F 22°C
Overcast
Mid-Afternoon
95°F 35°C
Cloudy
Early-Evening
82°F 28°C
Overcast
Sizzling hot with 95°F 35°C, overcast through the afternoon, turning cloudy this evening, with lower humidity and steady pressure. Winds moving from the S to the N at 24 mph 39 km/h. Gusts up to 34 mph 55 km/h.
Saturday, September 12, 2026
Mid-Morning
54°F 12°C
Cloudy
Mid-Afternoon
65°F 18°C
Overcast
Early-Evening
66°F 19°C
Sunny
Cool with a high near 65°F 18°C, cloudy in the morning, overcast in the afternoon, and cloudy this evening, with lower humidity and steady pressure. Winds swinging from the N to the NW at 5 mph 9 km/h.
Sunday, September 13, 2026
Mid-Morning
55°F 13°C
Scattered Showers
Mid-Afternoon
65°F 18°C
Light Showers
Early-Evening
62°F 16°C
Light Showers
Refreshing around 65°F 18°C, scattered downpours possible, with increasing humidity and barometric pressure falling. Winds blowing from the ESE at 15 mph 23 km/h. Gusts up to 32 mph 51 km/h.
Monday, September 14, 2026
Mid-Morning
54°F 12°C
Scattered Showers
Mid-Afternoon
64°F 18°C
Sunny
Early-Evening
58°F 14°C
Sunny
Mildly cool near 64°F 18°C, locally heavy downpours at times, with lower humidity and barometric pressure rising. Winds WNW at 19 mph 31 km/h. Gusts up to 20 mph 32 km/h.
Tuesday, September 15, 2026
Mid-Morning
49°F 9°C
Cloudy
Mid-Afternoon
63°F 17°C
Overcast
Early-Evening
64°F 17°C
Cloudy
Comfortable at 63°F 17°C, overcast through the afternoon, turning sunny this evening, with lower humidity and steady pressure. Winds switching from the ESE to the SE at 8 mph 12 km/h.
Wednesday, September 16, 2026
Mid-Morning
57°F 14°C
Cloudy
Mid-Afternoon
58°F 14°C
Scattered Showers
Early-Evening
55°F 13°C
Scattered Showers
Cool with a high near 58°F 14°C, scattered downpours possible, with increasing humidity and steady pressure. Winds blowing from the SE at 12 mph 19 km/h. Gusts up to 23 mph 38 km/h.
Thursday, September 17, 2026
Mid-Morning
56°F 13°C
Scattered Showers
Mid-Afternoon
67°F 20°C
Overcast
Early-Evening
67°F 19°C
Cloudy
Refreshing around 67°F 20°C, locally heavy downpours at times, with lower humidity and steady pressure. Winds swinging from the E to the SSE at 7 mph 11 km/h.
Friday, September 18, 2026
Mid-Morning
67°F 19°C
Cloudy
Mid-Afternoon
80°F 27°C
Sunny
Early-Evening
79°F 26°C
Overcast
Very warm with a high of 80°F 27°C, overcast in the morning, cloudy in the afternoon, and partly cloudy this evening, with lower humidity and barometric pressure falling. Winds shifting from the S to the SSW at 14 mph 23 km/h. Gusts up to 24 mph 39 km/h.
Saturday, September 19, 2026
Mid-Morning
63°F 17°C
Partly Cloudy
Mid-Afternoon
78°F 26°C
Sunny
Early-Evening
76°F 25°C
Overcast
Pleasant near 78°F 26°C, partly cloudy in the morning, cloudy in the afternoon, and sunny this evening, with lower humidity and steady pressure. Winds turning from the ESE to the ENE at 8 mph 12 km/h.
Sunday, September 20, 2026
Mid-Morning
62°F 17°C
Scattered Showers
Mid-Afternoon
63°F 17°C
Light Showers
Early-Evening
62°F 17°C
Light Showers
Cool with a high near 63°F 17°C, locally heavy downpours at times, with steady humidity and steady pressure. Winds switching from the ENE to the E at 9 mph 15 km/h.
Monday, September 21, 2026
Mid-Morning
56°F 14°C
Light Showers
Mid-Afternoon
60°F 16°C
Scattered Showers
Early-Evening
62°F 17°C
Scattered Showers
Refreshing around 60°F 16°C, periods of heavy rain and gusty conditions, with lower humidity and steady pressure. Winds moving from the SW to the WNW at 5 mph 9 km/h.
Tuesday, September 22, 2026
Mid-Morning
55°F 13°C
Light Fog
Mid-Afternoon
62°F 17°C
Scattered Showers
Early-Evening
66°F 20°C
Partly Cloudy
Mildly cool near 62°F 17°C, scattered downpours possible, with lower humidity and steady pressure. Winds swinging from the NW to the WNW at 5 mph 8 km/h.
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