Ethan Lake, SD 14 Day Weather
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Ethan Lake, SD Weather Forecast


Ethan Lake, SD Weather Forecast Dated: 758 AM Wed Oct 21 2026
Expect a cool pattern with a mix of sun and clouds and occasional showers over the coming period. generally humid conditions and no major pressure swings will dominate.
Wednesday, October 21, 2026
Mid-Morning
56°F 13°C
Sunny
Mid-Afternoon
73°F 23°C
Overcast
Early-Evening
66°F 19°C
Sunny
Pleasant near 73°F 23°C, sunny in the morning, overcast in the afternoon, and sunny this evening, with lower humidity and steady pressure.
Thursday, October 22, 2026
Mid-Morning
59°F 15°C
Overcast
Mid-Afternoon
78°F 25°C
Sunny
Early-Evening
71°F 22°C
Cloudy
Comfortable with temperatures reaching 78°F 25°C, overcast in the morning, sunny in the afternoon, and cloudy this evening, with lower humidity and steady pressure. Winds out of the S at 15 mph 23 km/h. Gusts up to 27 mph 44 km/h.
Friday, October 23, 2026
Mid-Morning
62°F 17°C
Scattered Showers
Mid-Afternoon
80°F 27°C
Partly Cloudy
Early-Evening
76°F 24°C
Overcast
Quite warm around 80°F 27°C, locally heavy downpours at times, with lower humidity and steady pressure. Winds blowing from the S at 23 mph 37 km/h. Gusts up to 37 mph 60 km/h.
Saturday, October 24, 2026
Mid-Morning
66°F 19°C
Light Showers
Mid-Afternoon
60°F 16°C
Light Rain
Early-Evening
59°F 15°C
Scattered Showers
Cool with a high near 60°F 16°C, periods of heavy rain and gusty conditions, with lower humidity and barometric pressure rising. Winds decreasing from S 13 mph 21 km/h to NW 4 mph 6 km/h.
Sunday, October 25, 2026
Mid-Morning
49°F 9°C
Drizzle
Mid-Afternoon
42°F 6°C
Light Rain
Early-Evening
40°F 5°C
Light Rain
Biting cold near 42°F 6°C, persistent showers off and on through the day, with steady humidity and steady pressure. Winds out of the NNE at 14 mph 22 km/h. Gusts up to 27 mph 43 km/h.
Monday, October 26, 2026
Mid-Morning
36°F 2°C
Scattered Showers
Mid-Afternoon
43°F 6°C
Overcast
Early-Evening
40°F 4°C
Overcast
Cold with a high near 43°F 6°C, locally heavy downpours at times, with lower humidity and steady pressure. Winds shifting from the N to the NNE at 8 mph 13 km/h.
Tuesday, October 27, 2026
Mid-Morning
36°F 2°C
Sunny
Mid-Afternoon
48°F 9°C
Sunny
Early-Evening
44°F 7°C
Overcast
Chilly near 48°F 9°C, sunny in the morning, cloudy in the afternoon, and overcast this evening, with steady humidity and barometric pressure falling. Winds turning from the E to the SE at 10 mph 16 km/h.
Wednesday, October 28, 2026
Mid-Morning
46°F 8°C
Scattered Showers
Mid-Afternoon
46°F 8°C
Overcast
Early-Evening
44°F 7°C
Overcast
Crisp with a high near 46°F 8°C, scattered downpours possible, with lower humidity and barometric pressure rising. Winds switching from the WSW to the NW at 19 mph 31 km/h. Gusts up to 31 mph 49 km/h.
Thursday, October 29, 2026
Mid-Morning
40°F 5°C
Sunny
Mid-Afternoon
51°F 10°C
Sunny
Early-Evening
47°F 8°C
Partly Cloudy
Brisk around 51°F 10°C, sunny in the morning, partly cloudy in the afternoon, and overcast this evening, with lower humidity and barometric pressure falling. Winds moving from the WNW to the SSW at 3 mph 5 km/h.
Friday, October 30, 2026
Mid-Morning
41°F 5°C
Sunny
Mid-Afternoon
54°F 12°C
Sunny
Early-Evening
49°F 10°C
Sunny
Cool and brisk at 54°F 12°C, sunny through the afternoon, turning partly cloudy this evening, with steady humidity and barometric pressure falling. Winds swinging from the ESE to the SE at 12 mph 20 km/h. Gusts up to 27 mph 43 km/h.
Saturday, October 31, 2026
Mid-Morning
47°F 8°C
Overcast
Mid-Afternoon
46°F 8°C
Drizzle
Early-Evening
45°F 7°C
Drizzle
Chilly near 46°F 8°C, clouds and showers taking over for the afternoon and evening, with increasing humidity and steady pressure. Winds out of the SSE at 14 mph 23 km/h. Gusts up to 22 mph 36 km/h.
Sunday, November 1, 2026
Mid-Morning
48°F 9°C
Partly Cloudy
Mid-Afternoon
55°F 13°C
Overcast
Early-Evening
52°F 11°C
Overcast
Crisp with a high near 55°F 13°C, cloudy in the morning, becoming overcast through the afternoon and evening, with steady humidity and steady pressure.
Monday, November 2, 2026
Mid-Morning
49°F 9°C
Cloudy
Mid-Afternoon
64°F 18°C
Cloudy
Early-Evening
56°F 13°C
Overcast
Refreshing around 64°F 18°C, overcast throughout the day, with steady humidity and barometric pressure falling. Winds blowing from the SSE at 14 mph 22 km/h. Gusts up to 28 mph 45 km/h.
Tuesday, November 3, 2026
Mid-Morning
53°F 11°C
Overcast
Mid-Afternoon
55°F 13°C
Rain
Early-Evening
56°F 13°C
Light Showers
Cool and brisk at 55°F 13°C, clouds and showers taking over for the afternoon and evening, with steady humidity and barometric pressure falling. Winds switching from the SE to the ESE at 22 mph 35 km/h. Gusts up to 41 mph 65 km/h.
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