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James Valley, SD 14 Day Weather - WeatherWorld.com
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James Valley, SD Weather Forecast
James Valley, SD Weather Forecast Dated: 644 AM Tue Sep 29 2026
Expect a cool pattern with a mix of sun and clouds and occasional showers over the coming period. moderate humidity and no major pressure swings will dominate.
Tuesday, September 29, 2026
Mid-Morning
61°F 16°C
Heavy Rain Showers
Mid-Afternoon
65°F 18°C
Scattered Showers
Early-Evening
67°F 19°C
Overcast
Refreshing around 65°F 18°C, periods of heavy rain and gusty conditions, with steady humidity and steady pressure. Winds turning from the S to the SSE at 6 mph 10 km/h.
Wednesday, September 30, 2026
Mid-Morning
62°F 17°C
Overcast
Mid-Afternoon
74°F 23°C
Overcast
Early-Evening
74°F 23°C
Overcast
Comfortable with temperatures reaching 74°F 23°C, overcast throughout the day, with lower humidity and steady pressure. Winds switching from the SE to the NNW at 8 mph 13 km/h.
Thursday, October 1, 2026
Mid-Morning
50°F 10°C
Sunny
Mid-Afternoon
61°F 16°C
Sunny
Early-Evening
60°F 15°C
Sunny
Comfortable at 61°F 16°C, sunny throughout the day, with lower humidity and steady pressure.
Friday, October 2, 2026
Mid-Morning
48°F 9°C
Overcast
Mid-Afternoon
64°F 18°C
Sunny
Early-Evening
61°F 16°C
Sunny
Cool with a high near 64°F 18°C, overcast in the morning, becoming sunny through the afternoon and evening, with lower humidity and barometric pressure falling. Winds S at 21 mph 34 km/h. Gusts up to 33 mph 53 km/h.
Saturday, October 3, 2026
Mid-Morning
55°F 13°C
Scattered Showers
Mid-Afternoon
71°F 22°C
Overcast
Early-Evening
69°F 20°C
Partly Cloudy
Mild with a high of 71°F 22°C, scattered downpours possible, with lower humidity and steady pressure. Winds swinging from the S to the NW at 14 mph 22 km/h. Gusts up to 29 mph 46 km/h.
Sunday, October 4, 2026
Mid-Morning
52°F 11°C
Sunny
Mid-Afternoon
62°F 17°C
Sunny
Early-Evening
61°F 16°C
Sunny
Mildly cool near 62°F 17°C, sunny through the afternoon, turning cloudy this evening, with lower humidity and steady pressure. Winds shifting from the NW to the N at 4 mph 7 km/h.
Monday, October 5, 2026
Mid-Morning
49°F 9°C
Overcast
Mid-Afternoon
48°F 9°C
Light Showers
Early-Evening
48°F 9°C
Light Showers
Chilly near 48°F 9°C, drier morning followed by showers lasting through evening, with increasing humidity and steady pressure. Winds turning from the E to the ESE at 16 mph 26 km/h. Gusts up to 33 mph 53 km/h.
Tuesday, October 6, 2026
Mid-Morning
49°F 9°C
Light Showers
Mid-Afternoon
58°F 14°C
Scattered Showers
Early-Evening
60°F 16°C
Light Showers
Cool with a high near 58°F 14°C, scattered downpours possible, with steady humidity and barometric pressure falling. Winds easing from SSE 25 mph 40 km/h to SE 17 mph 26 km/h. Gusts up to 32 mph 51 km/h.
Wednesday, October 7, 2026
Mid-Morning
56°F 13°C
Light Showers
Mid-Afternoon
65°F 18°C
Scattered Showers
Early-Evening
65°F 18°C
Sunny
Refreshing around 65°F 18°C, locally heavy downpours at times, with lower humidity and steady pressure. Winds moving from the W to the NW at 10 mph 16 km/h. Gusts up to 21 mph 34 km/h.
Thursday, October 8, 2026
Mid-Morning
49°F 9°C
Sunny
Mid-Afternoon
55°F 13°C
Sunny
Early-Evening
54°F 12°C
Sunny
Cool and brisk at 55°F 13°C, sunny through the afternoon, turning partly cloudy this evening, with lower humidity and steady pressure. Winds swinging from the NW to the NNW at 7 mph 11 km/h.
Friday, October 9, 2026
Mid-Morning
47°F 8°C
Overcast
Mid-Afternoon
61°F 16°C
Partly Cloudy
Early-Evening
62°F 17°C
Partly Cloudy
Comfortable at 61°F 16°C, overcast in the morning, cloudy in the afternoon, and overcast this evening, with steady humidity and barometric pressure falling. Winds shifting from the S to the WNW at 10 mph 16 km/h.
Saturday, October 10, 2026
Mid-Morning
40°F 4°C
Cloudy
Mid-Afternoon
47°F 8°C
Overcast
Early-Evening
48°F 9°C
Overcast
Crisp with a high near 47°F 8°C, overcast throughout the day, with lower humidity and barometric pressure falling. Winds turning from the WSW to the SSW at 4 mph 6 km/h.
Sunday, October 11, 2026
Mid-Morning
37°F 3°C
Sunny
Mid-Afternoon
42°F 6°C
Sunny
Early-Evening
42°F 5°C
Sunny
Nippy around 42°F 6°C, sunny throughout the day, with steady humidity and steady pressure. Winds NW at 15 mph 23 km/h.
Monday, October 12, 2026
Mid-Morning
34°F 1°C
Overcast
Mid-Afternoon
43°F 6°C
Overcast
Early-Evening
41°F 5°C
Overcast
Biting cold near 43°F 6°C, overcast throughout the day, with increasing humidity and barometric pressure falling. Winds moving from the SE to the S at 8 mph 13 km/h.
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