Ethan, SD 14 Day Weather - 57334 WeatherWorld.com
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Ethan, SD Weather Forecast


Ethan, SD Weather Forecast Dated: 742 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
63°F 17°C
Scattered Showers
Mid-Afternoon
79°F 26°C
Scattered Showers
Early-Evening
77°F 26°C
Overcast
Pleasant near 79°F 26°C, periods of heavy rain and gusty conditions, with lower humidity and steady pressure. Winds turning from the N to the NW at 11 mph 17 km/h.
Thursday, September 10, 2026
Mid-Morning
67°F 19°C
Sunny
Mid-Afternoon
87°F 30°C
Sunny
Early-Evening
86°F 30°C
Sunny
Balmy with temperatures reaching 87°F 30°C, sunny throughout the day, with steady humidity and barometric pressure falling. Winds building from S at 6 mph 10 km/h to SSE at 15 mph 25 km/h. Gusts up to 28 mph 44 km/h.
Friday, September 11, 2026
Mid-Morning
76°F 25°C
Sunny
Mid-Afternoon
97°F 36°C
Overcast
Early-Evening
89°F 31°C
Overcast
Sizzling hot with 97°F 36°C, sunny in the morning, overcast in the afternoon, and cloudy this evening, with lower humidity and steady pressure. Winds moving from the S to the NNW at 14 mph 22 km/h. Gusts up to 25 mph 40 km/h.
Saturday, September 12, 2026
Mid-Morning
59°F 15°C
Sunny
Mid-Afternoon
66°F 19°C
Scattered Showers
Early-Evening
69°F 21°C
Scattered Showers
Cool with a high near 66°F 19°C, periods of heavy rain and gusty conditions, with lower humidity and steady pressure. Winds swinging from the N to the NNE at 7 mph 11 km/h.
Sunday, September 13, 2026
Mid-Morning
60°F 16°C
Scattered Showers
Mid-Afternoon
66°F 19°C
Light Showers
Early-Evening
65°F 18°C
Light Showers
Refreshing around 66°F 19°C, scattered downpours possible, with increasing humidity and barometric pressure falling. Winds shifting from the SE to the ESE at 12 mph 20 km/h. Gusts up to 26 mph 42 km/h.
Monday, September 14, 2026
Mid-Morning
59°F 15°C
Overcast
Mid-Afternoon
69°F 21°C
Sunny
Early-Evening
64°F 18°C
Sunny
Pleasant near 69°F 21°C, partly cloudy in the morning, becoming sunny through the afternoon and evening, with lower humidity and barometric pressure rising. Winds NW at 19 mph 30 km/h.
Tuesday, September 15, 2026
Mid-Morning
53°F 11°C
Partly Cloudy
Mid-Afternoon
67°F 20°C
Overcast
Early-Evening
66°F 19°C
Cloudy
Comfortable at 67°F 20°C, cloudy through the afternoon, turning partly cloudy this evening, with lower humidity and steady pressure. Winds switching from the ENE to the SE at 10 mph 15 km/h.
Wednesday, September 16, 2026
Mid-Morning
61°F 16°C
Cloudy
Mid-Afternoon
60°F 16°C
Light Showers
Early-Evening
60°F 16°C
Light Showers
Cool with a high near 60°F 16°C, clouds and showers taking over for the afternoon and evening, with increasing humidity and steady pressure. Winds moving from the SE to the E at 11 mph 17 km/h.
Thursday, September 17, 2026
Mid-Morning
59°F 15°C
Fog
Mid-Afternoon
65°F 19°C
Scattered Showers
Early-Evening
65°F 19°C
Scattered Showers
Refreshing around 65°F 19°C, locally heavy downpours at times, with steady humidity and steady pressure.
Friday, September 18, 2026
Mid-Morning
68°F 20°C
Fog
Mid-Afternoon
82°F 28°C
Sunny
Early-Evening
81°F 27°C
Sunny
Very warm with a high of 82°F 28°C, cloudy in the morning, sunny in the afternoon, and partly cloudy this evening, with lower humidity and barometric pressure falling. Winds swinging from the SSE to the S at 12 mph 20 km/h. Gusts up to 20 mph 33 km/h.
Saturday, September 19, 2026
Mid-Morning
67°F 19°C
Sunny
Mid-Afternoon
82°F 28°C
Sunny
Early-Evening
80°F 27°C
Sunny
Warm and summery near 82°F 28°C, sunny throughout the day, with lower humidity and steady pressure. Winds easing from ESE 14 mph 22 km/h to E 6 mph 10 km/h.
Sunday, September 20, 2026
Mid-Morning
65°F 18°C
Overcast
Mid-Afternoon
74°F 23°C
Overcast
Early-Evening
68°F 20°C
Overcast
Comfortable with temperatures reaching 74°F 23°C, overcast throughout the day, with steady humidity and steady pressure. Winds turning from the SE to the E at 11 mph 17 km/h.
Monday, September 21, 2026
Mid-Morning
61°F 16°C
Sunny
Mid-Afternoon
73°F 23°C
Sunny
Early-Evening
68°F 20°C
Cloudy
Enjoyable around 73°F 23°C, sunny in the morning, partly cloudy in the afternoon, and cloudy this evening, with lower humidity and steady pressure. Winds switching from the WNW to the NNW at 9 mph 14 km/h.
Tuesday, September 22, 2026
Mid-Morning
59°F 15°C
Partly Cloudy
Mid-Afternoon
70°F 21°C
Partly Cloudy
Early-Evening
72°F 22°C
Sunny
Mild temperatures up to 70°F 21°C, cloudy in the morning, partly cloudy in the afternoon, and sunny this evening, with lower humidity and steady pressure. Winds moving from the WNW to the NW at 7 mph 10 km/h.
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