Big Lake, SD 14 Day Weather
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Big Lake, SD Weather Forecast


Big Lake, SD Weather Forecast Dated: 1049 PM Sun Oct 04 2026
Expect a cool pattern with a mix of sun and clouds and mostly dry weather over the coming period. moderate humidity and no major pressure swings will dominate.
Sunday, October 4, 2026
Mid-Morning
52°F 11°C
Sunny
Mid-Afternoon
69°F 20°C
Sunny
Early-Evening
62°F 17°C
Sunny
Pleasant near 69°F 20°C, sunny throughout the day, with lower humidity and barometric pressure falling.
Monday, October 5, 2026
Mid-Morning
53°F 12°C
Sunny
Mid-Afternoon
79°F 26°C
Sunny
Early-Evening
74°F 23°C
Sunny
Comfortable with temperatures reaching 79°F 26°C, sunny throughout the day, with steady humidity and barometric pressure falling. Winds turning from the SE to the S at 8 mph 13 km/h.
Tuesday, October 6, 2026
Mid-Morning
60°F 16°C
Overcast
Mid-Afternoon
81°F 27°C
Sunny
Early-Evening
71°F 22°C
Sunny
Quite warm around 81°F 27°C, overcast in the morning, becoming sunny through the afternoon and evening, with steady humidity and steady pressure. Winds switching from the WNW to the N at 9 mph 15 km/h.
Wednesday, October 7, 2026
Mid-Morning
55°F 13°C
Sunny
Mid-Afternoon
70°F 21°C
Sunny
Early-Evening
64°F 18°C
Overcast
Mild temperatures up to 70°F 21°C, partly cloudy in the morning, sunny in the afternoon, and cloudy this evening, with lower humidity and steady pressure. Winds moving from the NW to the NE at 6 mph 10 km/h.
Thursday, October 8, 2026
Mid-Morning
53°F 12°C
Overcast
Mid-Afternoon
63°F 17°C
Overcast
Early-Evening
58°F 15°C
Overcast
Refreshing around 63°F 17°C, overcast throughout the day, with lower humidity and steady pressure.
Friday, October 9, 2026
Mid-Morning
50°F 10°C
Sunny
Mid-Afternoon
65°F 18°C
Cloudy
Early-Evening
60°F 16°C
Overcast
Mildly cool near 65°F 18°C, sunny in the morning, overcast in the afternoon, and cloudy this evening, with steady humidity and barometric pressure falling. Winds picking up from SE at 1 mph 1 km/h to SE at 11 mph 17 km/h. Gusts up to 22 mph 36 km/h.
Saturday, October 10, 2026
Mid-Morning
59°F 15°C
Overcast
Mid-Afternoon
76°F 25°C
Overcast
Early-Evening
70°F 21°C
Overcast
Comfortable with temperatures reaching 76°F 25°C, overcast throughout the day, with lower humidity and barometric pressure falling. Winds tapering down from SSE 17 mph 27 km/h to NNW 8 mph 12 km/h.
Sunday, October 11, 2026
Mid-Morning
47°F 8°C
Overcast
Mid-Afternoon
52°F 11°C
Overcast
Early-Evening
47°F 9°C
Overcast
Crisp with a high near 52°F 11°C, overcast throughout the day, with lower humidity and steady pressure. Winds turning from the NNE to the NE at 15 mph 23 km/h.
Monday, October 12, 2026
Mid-Morning
34°F 1°C
Heavy Snow
Mid-Afternoon
33°F 1°C
Heavy Snow
Early-Evening
34°F 1°C
Heavy Snow
Cold with a high near 33°F 1°C, on-and-off snow throughout the day, with steady humidity and steady pressure. New snow accumulation of 4 to 7 in. 10 to 18 cm. Winds switching from the NNE to the NE at 11 mph 18 km/h. Gusts up to 27 mph 43 km/h.
Tuesday, October 13, 2026
Mid-Morning
31°F 0°C
Overcast
Mid-Afternoon
32°F 0°C
Light Snow
Early-Evening
32°F -1°C
Light Snow
Nippy around 32°F 0°C, drier morning followed by snow lasting through evening, with steady humidity and steady pressure. Winds blowing from the NE at 9 mph 15 km/h.
Wednesday, October 14, 2026
Mid-Morning
28°F -2°C
Light Fog
Mid-Afternoon
36°F 2°C
Sunny
Early-Evening
32°F 0°C
Sunny
Biting cold near 36°F 2°C, overcast in the morning, becoming sunny through the afternoon and evening, with lower humidity and barometric pressure falling.
Thursday, October 15, 2026
Mid-Morning
34°F 1°C
Sunny
Mid-Afternoon
49°F 9°C
Overcast
Early-Evening
46°F 8°C
Overcast
Crisp with a high near 49°F 9°C, cloudy in the morning, becoming overcast through the afternoon and evening, with steady humidity and steady pressure. Winds swinging from the SW to the W at 9 mph 15 km/h.
Friday, October 16, 2026
Mid-Morning
45°F 7°C
Overcast
Mid-Afternoon
55°F 13°C
Overcast
Early-Evening
50°F 10°C
Overcast
Brisk around 55°F 13°C, overcast throughout the day, with lower humidity and steady pressure. Winds shifting from the WNW to the NW at 11 mph 18 km/h. Gusts up to 22 mph 36 km/h.
Saturday, October 17, 2026
Mid-Morning
42°F 5°C
Cloudy
Mid-Afternoon
53°F 11°C
Partly Cloudy
Early-Evening
47°F 9°C
Partly Cloudy
Cool and brisk at 53°F 11°C, partly cloudy in the morning, cloudy in the afternoon, and sunny this evening, with lower humidity and steady pressure. Winds blowing from the NW at 15 mph 24 km/h.
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