Simmon Lake, SD 14 Day Weather
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Simmon Lake, SD Weather Forecast


Simmon Lake, SD Weather Forecast Dated: 430 PM Fri Oct 02 2026
Expect a cool pattern with a mix of sun and clouds and occasional showers over the coming period. moderate humidity and no major pressure swings will dominate.
Friday, October 2, 2026
Mid-Morning
41°F 5°C
Sunny
Mid-Afternoon
59°F 15°C
Cloudy
Early-Evening
56°F 13°C
Sunny
Refreshing around 59°F 15°C, sunny in the morning, becoming cloudy through the afternoon and evening, with steady humidity and barometric pressure falling. Winds picking up from ENE at 2 mph 3 km/h to SSE at 10 mph 16 km/h. Gusts up to 23 mph 37 km/h.
Saturday, October 3, 2026
Mid-Morning
49°F 9°C
Sunny
Mid-Afternoon
58°F 15°C
Drizzle
Early-Evening
60°F 15°C
Scattered Showers
Mildly cool near 58°F 15°C, scattered downpours possible, with steady humidity and steady pressure. Winds switching from the SSW to the NNW at 11 mph 17 km/h. Gusts up to 23 mph 37 km/h.
Sunday, October 4, 2026
Mid-Morning
49°F 9°C
Sunny
Mid-Afternoon
60°F 15°C
Sunny
Early-Evening
57°F 14°C
Sunny
Comfortable at 60°F 15°C, sunny throughout the day, with lower humidity and steady pressure. Winds moving from the NW to the N at 7 mph 11 km/h.
Monday, October 5, 2026
Mid-Morning
51°F 11°C
Cloudy
Mid-Afternoon
63°F 17°C
Partly Cloudy
Early-Evening
60°F 16°C
Sunny
Cool with a high near 63°F 17°C, cloudy in the morning, partly cloudy in the afternoon, and sunny this evening, with lower humidity and barometric pressure falling. Winds swinging from the SE to the SSE at 16 mph 25 km/h. Gusts up to 30 mph 48 km/h.
Tuesday, October 6, 2026
Mid-Morning
60°F 15°C
Sunny
Mid-Afternoon
71°F 22°C
Partly Cloudy
Early-Evening
71°F 22°C
Sunny
Mild with a high of 71°F 22°C, sunny in the morning, becoming partly cloudy through the afternoon and evening, with lower humidity and steady pressure. Winds blowing from the SW at 15 mph 23 km/h. Gusts up to 23 mph 38 km/h.
Wednesday, October 7, 2026
Mid-Morning
56°F 14°C
Overcast
Mid-Afternoon
64°F 18°C
Overcast
Early-Evening
65°F 19°C
Overcast
Mildly cool near 64°F 18°C, overcast throughout the day, with lower humidity and steady pressure. Winds turning from the NNW to the SE at 3 mph 5 km/h.
Thursday, October 8, 2026
Mid-Morning
55°F 13°C
Partly Cloudy
Mid-Afternoon
60°F 16°C
Sunny
Early-Evening
59°F 15°C
Cloudy
Comfortable at 60°F 16°C, sunny in the morning, partly cloudy in the afternoon, and sunny this evening, with lower humidity and barometric pressure rising. Winds out of the SW at 14 mph 23 km/h.
Friday, October 9, 2026
Mid-Morning
52°F 11°C
Sunny
Mid-Afternoon
62°F 17°C
Overcast
Early-Evening
62°F 17°C
Overcast
Cool with a high near 62°F 17°C, sunny in the morning, becoming overcast through the afternoon and evening, with steady humidity and barometric pressure falling. Winds building from S at 7 mph 11 km/h to SSE at 17 mph 27 km/h. Gusts up to 32 mph 52 km/h.
Saturday, October 10, 2026
Mid-Morning
65°F 18°C
Overcast
Mid-Afternoon
73°F 23°C
Overcast
Early-Evening
72°F 23°C
Overcast
Mild temperatures up to 73°F 23°C, overcast throughout the day, with lower humidity and steady pressure. Winds decreasing from SSW 20 mph 32 km/h to NW 9 mph 14 km/h.
Sunday, October 11, 2026
Mid-Morning
47°F 8°C
Light Rain
Mid-Afternoon
61°F 16°C
Sunny
Early-Evening
62°F 17°C
Sunny
Mildly cool near 61°F 16°C, early showers breaking for a drier afternoon, with lower humidity and barometric pressure falling.
Monday, October 12, 2026
Mid-Morning
50°F 10°C
Light Showers
Mid-Afternoon
43°F 6°C
Light Showers
Early-Evening
44°F 6°C
Heavy Rain Showers
Biting cold near 43°F 6°C, persistent showers off and on through the day, with steady humidity and steady pressure. Winds picking up from SSE at 8 mph 13 km/h to NNW at 22 mph 35 km/h. Gusts up to 37 mph 59 km/h.
Tuesday, October 13, 2026
Mid-Morning
43°F 6°C
Sunny
Mid-Afternoon
51°F 11°C
Sunny
Early-Evening
53°F 12°C
Sunny
Crisp with a high near 51°F 11°C, sunny through the afternoon, turning partly cloudy this evening, with lower humidity and steady pressure. Winds tapering down from NW 21 mph 33 km/h to WSW 9 mph 14 km/h.
Wednesday, October 14, 2026
Mid-Morning
51°F 10°C
Overcast
Mid-Afternoon
63°F 17°C
Sunny
Early-Evening
62°F 17°C
Partly Cloudy
Refreshing around 63°F 17°C, partly cloudy through the afternoon, turning sunny this evening, with steady humidity and barometric pressure falling. Winds decreasing from SW 17 mph 28 km/h to ESE 6 mph 11 km/h.
Thursday, October 15, 2026
Mid-Morning
46°F 8°C
Overcast
Mid-Afternoon
50°F 10°C
Sunny
Early-Evening
40°F 5°C
Sunny
Cool and brisk at 50°F 10°C, overcast in the morning, sunny in the afternoon, and partly cloudy this evening, with lower humidity and barometric pressure rising. Winds moving from the NNE to the N at 19 mph 31 km/h. Gusts up to 29 mph 46 km/h.
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