Fall River County, SD 14 Day Weather - WeatherWorld.com
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Fall River County, SD Weather Forecast


Fall River County, SD Weather Forecast Dated: 437 PM Sun Sep 13 2026
Expect a mild stretch 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, September 13, 2026
Mid-Morning
59°F 15°C
Sunny
Mid-Afternoon
78°F 25°C
Sunny
Early-Evening
74°F 23°C
Scattered Showers
Pleasant near 78°F 25°C, periods of heavy rain and gusty conditions, with increasing humidity and barometric pressure falling. Winds turning from the E to the SSE at 13 mph 21 km/h.
Monday, September 14, 2026
Mid-Morning
74°F 24°C
Partly Cloudy
Mid-Afternoon
75°F 24°C
Sunny
Early-Evening
69°F 20°C
Sunny
Comfortable with temperatures reaching 75°F 24°C, partly cloudy in the morning, becoming sunny through the afternoon and evening, with lower humidity and barometric pressure rising. Winds tapering down from WSW 19 mph 30 km/h to NNW 9 mph 15 km/h.
Tuesday, September 15, 2026
Mid-Morning
54°F 12°C
Sunny
Mid-Afternoon
69°F 21°C
Cloudy
Early-Evening
65°F 18°C
Overcast
Enjoyable around 69°F 21°C, sunny in the morning, cloudy in the afternoon, and partly cloudy this evening, with lower humidity and barometric pressure falling. Winds moving from the SSE to the NE at 11 mph 18 km/h.
Wednesday, September 16, 2026
Mid-Morning
60°F 16°C
Sunny
Mid-Afternoon
85°F 30°C
Sunny
Early-Evening
73°F 23°C
Sunny
Warm temperatures up to 85°F 30°C, sunny through the afternoon, turning partly cloudy this evening, with lower humidity and steady pressure. Winds swinging from the S to the NNE at 11 mph 17 km/h.
Thursday, September 17, 2026
Mid-Morning
69°F 21°C
Overcast
Mid-Afternoon
85°F 29°C
Overcast
Early-Evening
75°F 24°C
Nearby Thunderstorms
Very warm with a high of 85°F 29°C, locally heavy thunderstorms at times, with lower humidity and barometric pressure falling. Winds building from ESE at 3 mph 5 km/h to SW at 16 mph 26 km/h. Gusts up to 23 mph 37 km/h.
Friday, September 18, 2026
Mid-Morning
71°F 21°C
Sunny
Mid-Afternoon
71°F 22°C
Overcast
Early-Evening
67°F 20°C
Scattered Showers
Pleasant near 71°F 22°C, locally heavy downpours at times, with steady humidity and steady pressure. Winds turning from the NW to the NNE at 7 mph 12 km/h.
Saturday, September 19, 2026
Mid-Morning
62°F 17°C
Overcast
Mid-Afternoon
71°F 22°C
Overcast
Early-Evening
64°F 17°C
Overcast
Comfortable with temperatures reaching 71°F 22°C, overcast throughout the day, with lower humidity and steady pressure. Winds switching from the ENE to the NE at 12 mph 19 km/h. Gusts up to 21 mph 34 km/h.
Sunday, September 20, 2026
Mid-Morning
58°F 15°C
Light Showers
Mid-Afternoon
72°F 22°C
Light Showers
Early-Evening
56°F 13°C
Scattered Showers
Enjoyable around 72°F 22°C, scattered downpours possible, with steady humidity and steady pressure. Winds moving from the ESE to the NE at 11 mph 17 km/h.
Monday, September 21, 2026
Mid-Morning
58°F 15°C
Sunny
Mid-Afternoon
70°F 21°C
Sunny
Early-Evening
64°F 18°C
Sunny
Mild temperatures up to 70°F 21°C, sunny through the afternoon, turning partly cloudy this evening, with steady humidity and steady pressure. Winds SE at 10 mph 17 km/h.
Tuesday, September 22, 2026
Mid-Morning
59°F 15°C
Overcast
Mid-Afternoon
79°F 26°C
Overcast
Early-Evening
73°F 23°C
Partly Cloudy
Mild with a high of 79°F 26°C, overcast through the afternoon, turning sunny this evening, with lower humidity and steady pressure. Winds shifting from the S to the NNW at 6 mph 9 km/h.
Wednesday, September 23, 2026
Mid-Morning
68°F 20°C
Sunny
Mid-Afternoon
76°F 24°C
Overcast
Early-Evening
69°F 21°C
Sunny
Pleasant near 76°F 24°C, sunny in the morning, overcast in the afternoon, and cloudy this evening, with steady humidity and steady pressure. Winds building from E at 1 mph 2 km/h to NE at 9 mph 14 km/h.
Thursday, September 24, 2026
Mid-Morning
66°F 19°C
Partly Cloudy
Mid-Afternoon
82°F 28°C
Overcast
Early-Evening
71°F 22°C
Overcast
Balmy with temperatures reaching 82°F 28°C, cloudy in the morning, becoming overcast through the afternoon and evening, with steady humidity and barometric pressure falling. Winds increasing from the S at 6 mph 9 km/h to W at 18 mph 30 km/h. Gusts up to 28 mph 46 km/h.
Friday, September 25, 2026
Mid-Morning
68°F 20°C
Sunny
Mid-Afternoon
81°F 27°C
Sunny
Early-Evening
71°F 22°C
Sunny
Quite warm around 81°F 27°C, sunny throughout the day, with lower humidity and steady pressure. Winds easing from W 16 mph 26 km/h to NNW 4 mph 7 km/h.
Saturday, September 26, 2026
Mid-Morning
71°F 22°C
Overcast
Mid-Afternoon
84°F 29°C
Overcast
Early-Evening
75°F 24°C
Sunny
Warm temperatures up to 84°F 29°C, overcast through the afternoon, turning partly cloudy this evening, with steady humidity and barometric pressure falling. Winds swinging from the SSW to the SW at 13 mph 21 km/h. Gusts up to 23 mph 37 km/h.
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