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Union Center, SD Weather Forecast
Union Center, SD Weather Forecast Dated: 936 PM Thu Sep 24 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.
Thursday, September 24, 2026
Mid-Morning
68°F 20°C
Cloudy
Mid-Afternoon
79°F 26°C
Sunny
Early-Evening
72°F 22°C
Sunny
Pleasant near 79°F 26°C, overcast in the morning, sunny in the afternoon, and partly cloudy this evening, with steady humidity and steady pressure.
Friday, September 25, 2026
Mid-Morning
63°F 17°C
Overcast
Mid-Afternoon
76°F 25°C
Partly Cloudy
Early-Evening
68°F 21°C
Sunny
Comfortable with temperatures reaching 76°F 25°C, overcast in the morning, cloudy in the afternoon, and sunny this evening, with steady humidity and barometric pressure falling. Winds picking up from ESE at 8 mph 13 km/h to SE at 17 mph 27 km/h. Gusts up to 24 mph 39 km/h.
Saturday, September 26, 2026
Mid-Morning
66°F 19°C
Sunny
Mid-Afternoon
81°F 27°C
Sunny
Early-Evening
73°F 23°C
Sunny
Quite warm around 81°F 27°C, sunny throughout the day, with lower humidity and steady pressure. Winds switching from the WNW to the ENE at 8 mph 12 km/h.
Sunday, September 27, 2026
Mid-Morning
64°F 18°C
Overcast
Mid-Afternoon
83°F 28°C
Overcast
Early-Evening
72°F 22°C
Nearby Thunderstorms
Warm temperatures up to 83°F 28°C, periods of heavy thunderstorms, with lower humidity and barometric pressure falling. Winds moving from the E to the S at 14 mph 22 km/h. Gusts up to 28 mph 45 km/h.
Monday, September 28, 2026
Mid-Morning
69°F 21°C
Scattered Showers
Mid-Afternoon
73°F 23°C
Scattered Showers
Early-Evening
65°F 18°C
Light Showers
Mild with a high of 73°F 23°C, scattered downpours possible, with increasing humidity and steady pressure. Winds swinging from the NW to the N at 10 mph 16 km/h.
Tuesday, September 29, 2026
Mid-Morning
59°F 15°C
Overcast
Mid-Afternoon
70°F 21°C
Sunny
Early-Evening
66°F 19°C
Sunny
Pleasant near 70°F 21°C, overcast in the morning, becoming sunny through the afternoon and evening, with lower humidity and barometric pressure falling. Winds shifting from the NE to the ESE at 8 mph 12 km/h.
Wednesday, September 30, 2026
Mid-Morning
65°F 18°C
Partly Cloudy
Mid-Afternoon
78°F 25°C
Overcast
Early-Evening
70°F 21°C
Overcast
Comfortable with temperatures reaching 78°F 25°C, partly cloudy in the morning, becoming overcast through the afternoon and evening, with lower humidity and steady pressure. Winds turning from the S to the N at 16 mph 25 km/h. Gusts up to 24 mph 38 km/h.
Thursday, October 1, 2026
Mid-Morning
53°F 12°C
Sunny
Mid-Afternoon
63°F 17°C
Sunny
Early-Evening
57°F 14°C
Sunny
Cool with a high near 63°F 17°C, sunny through the afternoon, turning partly cloudy this evening, with steady humidity and steady pressure. Winds switching from the NNE to the ENE at 11 mph 17 km/h.
Friday, October 2, 2026
Mid-Morning
51°F 11°C
Overcast
Mid-Afternoon
59°F 15°C
Cloudy
Early-Evening
53°F 12°C
Overcast
Refreshing around 59°F 15°C, overcast throughout the day, with increasing humidity and barometric pressure falling. Winds blowing from the ESE at 19 mph 30 km/h. Gusts up to 33 mph 54 km/h.
Saturday, October 3, 2026
Mid-Morning
54°F 12°C
Light Showers
Mid-Afternoon
52°F 11°C
Cloudy
Early-Evening
46°F 8°C
Light Showers
Cool and brisk at 52°F 11°C, rounds of showers morning and night, dry in between, with steady humidity and barometric pressure rising. Winds increasing from the WNW at 18 mph 28 km/h to WNW at 26 mph 41 km/h. Gusts up to 35 mph 56 km/h.
Sunday, October 4, 2026
Mid-Morning
40°F 4°C
Scattered Showers
Mid-Afternoon
44°F 7°C
Overcast
Early-Evening
41°F 5°C
Scattered Showers
Biting cold near 44°F 7°C, scattered downpours possible, with lower humidity and steady pressure. Winds easing from NW 23 mph 37 km/h to NW 12 mph 19 km/h.
Monday, October 5, 2026
Mid-Morning
42°F 5°C
Overcast
Mid-Afternoon
57°F 14°C
Cloudy
Early-Evening
52°F 12°C
Overcast
Crisp with a high near 57°F 14°C, overcast through the afternoon, turning partly cloudy this evening, with steady humidity and steady pressure. Winds turning from the SW to the NNW at 10 mph 16 km/h.
Tuesday, October 6, 2026
Mid-Morning
52°F 11°C
Sunny
Mid-Afternoon
67°F 19°C
Sunny
Early-Evening
60°F 16°C
Sunny
Refreshing around 67°F 19°C, sunny throughout the day, with steady humidity and barometric pressure falling. Winds switching from the W to the WNW at 7 mph 10 km/h.
Wednesday, October 7, 2026
Mid-Morning
58°F 15°C
Sunny
Mid-Afternoon
69°F 21°C
Sunny
Early-Evening
62°F 17°C
Sunny
Mild temperatures up to 69°F 21°C, sunny throughout the day, with steady humidity and steady pressure. Winds easing from NNW 14 mph 23 km/h to E 5 mph 8 km/h.
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