Weather WorldEureka Lake, SD 14 Day Weather
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Eureka Lake, SD Weather Forecast
Eureka Lake, SD Weather Forecast Dated: 403 AM Tue Sep 01 2026 (Eureka Lake Time)
Expect a very warm period with a mix of sun and clouds and mostly dry weather over the next two weeks. comfortable humidity and no major pressure swings will dominate.
Tuesday, September 1, 2026
Mid-Morning
60°F 16°C
Overcast
Mid-Afternoon
77°F 25°C
Overcast
Early-Evening
75°F 24°C
Overcast
Warm with overcast skies, lower humidity and steady pressure.
Wednesday, September 2, 2026
Mid-Morning
63°F 17°C
Partly Cloudy
Mid-Afternoon
81°F 27°C
Sunny
Early-Evening
81°F 28°C
Sunny
Very warm with partly sunny skies in the morning, then mostly sunny for the afternoon and evening, lower humidity and barometric pressure falling. Winds shifting from ESE to E at 10 mph 16 km/h.
Thursday, September 3, 2026
Mid-Morning
66°F 19°C
Nearby Thunderstorms
Mid-Afternoon
92°F 33°C
Sunny
Early-Evening
88°F 31°C
Partly Cloudy
Hot with partly sunny skies in the morning, then mostly sunny for the afternoon and evening, lower humidity and steady pressure. Winds shifting from SSE to N at 10 mph 15 km/h.
Friday, September 4, 2026
Mid-Morning
80°F 27°C
Sunny
Mid-Afternoon
99°F 37°C
Sunny
Early-Evening
92°F 33°C
Sunny
Hot with mostly sunny skies in the morning, then mostly sunny for the afternoon and evening, lower humidity and steady pressure. Winds SSE at 14 mph 23 km/h.
Saturday, September 5, 2026
Mid-Morning
78°F 26°C
Sunny
Mid-Afternoon
94°F 35°C
Sunny
Early-Evening
92°F 34°C
Sunny
Hot with mostly sunny skies in the morning, mostly sunny in the afternoon, and mostly cloudy in the evening, lower humidity and steady pressure. Winds shifting from SSE to SE at 11 mph 17 km/h.
Sunday, September 6, 2026
Mid-Morning
75°F 24°C
Sunny
Mid-Afternoon
81°F 27°C
Overcast
Early-Evening
87°F 30°C
Overcast
Very warm with overcast skies, lower humidity and barometric pressure falling. Winds shifting from SE to NNE at 8 mph 13 km/h.
Monday, September 7, 2026
Mid-Morning
72°F 22°C
Overcast
Mid-Afternoon
91°F 33°C
Sunny
Early-Evening
93°F 34°C
Sunny
Hot with partly sunny skies in the morning, then mostly sunny for the afternoon and evening, lower humidity and barometric pressure falling. Winds shifting from NE to SE at 5 mph 8 km/h.
Tuesday, September 8, 2026
Mid-Morning
75°F 24°C
Sunny
Mid-Afternoon
91°F 33°C
Sunny
Early-Evening
89°F 32°C
Sunny
Hot with mostly sunny skies in the morning, then mostly sunny for the afternoon and evening, lower humidity and barometric pressure falling.
Wednesday, September 9, 2026
Mid-Morning
67°F 19°C
Light Showers
Mid-Afternoon
74°F 23°C
Cloudy
Early-Evening
71°F 22°C
Sunny
Warm with mostly cloudy skies, lower humidity and barometric pressure rising. Winds shifting from NW to NNW at 12 mph 18 km/h.
Thursday, September 10, 2026
Mid-Morning
64°F 18°C
Overcast
Mid-Afternoon
77°F 25°C
Sunny
Early-Evening
76°F 25°C
Sunny
Warm with mostly sunny skies in the morning, then mostly sunny for the afternoon and evening, steady humidity and steady pressure.
Friday, September 11, 2026
Mid-Morning
66°F 19°C
Partly Cloudy
Mid-Afternoon
80°F 27°C
Sunny
Early-Evening
77°F 25°C
Sunny
Very warm with mostly sunny skies in the morning, then mostly sunny for the afternoon and evening, lower humidity and barometric pressure falling. Winds shifting from E to ENE at 13 mph 21 km/h.
Saturday, September 12, 2026
Mid-Morning
64°F 18°C
Overcast
Mid-Afternoon
91°F 33°C
Partly Cloudy
Early-Evening
92°F 34°C
Overcast
Hot with mostly cloudy skies in the morning, then mostly cloudy for the afternoon and evening, steady humidity and barometric pressure falling. Winds shifting from ESE to SSE at 13 mph 20 km/h.
Sunday, September 13, 2026
Mid-Morning
73°F 23°C
Sunny
Mid-Afternoon
70°F 21°C
Cloudy
Early-Evening
65°F 18°C
Sunny
Warm with mostly cloudy skies, lower humidity and barometric pressure rising. Winds NW at 24 mph 39 km/h.
Monday, September 14, 2026
Mid-Morning
57°F 14°C
Sunny
Mid-Afternoon
71°F 21°C
Overcast
Early-Evening
68°F 20°C
Overcast
Warm with overcast skies, lower humidity and barometric pressure falling. Winds shifting from W to SE at 8 mph 12 km/h.
Eureka Lake, SD Weather Radar Map
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