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Arpan, SD Weather Forecast
Arpan, SD Weather Forecast Dated: 1151 AM Sun Oct 25 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.
Sunday, October 25, 2026
Mid-Morning
43°F 6°C
Overcast
Mid-Afternoon
47°F 9°C
Cloudy
Early-Evening
43°F 6°C
Overcast
Brisk around 47°F 9°C, overcast throughout the day, with increasing humidity and steady pressure. Winds turning from the E to the ESE at 13 mph 22 km/h. Gusts up to 21 mph 34 km/h.
Monday, October 26, 2026
Mid-Morning
38°F 3°C
Light Snow
Mid-Afternoon
35°F 2°C
Heavy Snow
Early-Evening
34°F 1°C
Heavy Snow
Biting cold near 35°F 2°C, persistent snow off and on through the day, with increasing humidity and barometric pressure falling. Snow accumulation up to 1 in. up to 3 cm. Winds blowing from the ESE at 12 mph 19 km/h. Gusts up to 22 mph 34 km/h.
Tuesday, October 27, 2026
Mid-Morning
36°F 2°C
Cloudy
Mid-Afternoon
60°F 16°C
Sunny
Early-Evening
47°F 8°C
Clear
Comfortable at 60°F 16°C, overcast in the morning, becoming sunny through the afternoon and evening, with lower humidity and steady pressure. Winds moving from the ESE to the WSW at 5 mph 8 km/h.
Wednesday, October 28, 2026
Mid-Morning
43°F 6°C
Sunny
Mid-Afternoon
59°F 15°C
Partly Cloudy
Early-Evening
47°F 9°C
Partly Cloudy
Cool with a high near 59°F 15°C, sunny in the morning, becoming partly cloudy through the afternoon and evening, with steady humidity and steady pressure.
Thursday, October 29, 2026
Mid-Morning
43°F 6°C
Sunny
Mid-Afternoon
60°F 15°C
Partly Cloudy
Early-Evening
48°F 9°C
Partly Cloudy
Refreshing around 60°F 15°C, sunny in the morning, partly cloudy in the afternoon, and cloudy this evening, with steady humidity and steady pressure. Winds swinging from the SE to the E at 8 mph 13 km/h. Gusts up to 25 mph 40 km/h.
Friday, October 30, 2026
Mid-Morning
43°F 6°C
Overcast
Mid-Afternoon
54°F 12°C
Overcast
Early-Evening
50°F 10°C
Overcast
Cool and brisk at 54°F 12°C, overcast throughout the day, with steady humidity and barometric pressure falling. Winds shifting from the E to the ESE at 7 mph 12 km/h.
Saturday, October 31, 2026
Mid-Morning
50°F 10°C
Overcast
Mid-Afternoon
56°F 13°C
Partly Cloudy
Early-Evening
51°F 11°C
Partly Cloudy
Chilly near 56°F 13°C, overcast in the morning, becoming partly cloudy through the afternoon and evening, with steady humidity and steady pressure.
Sunday, November 1, 2026
Mid-Morning
54°F 12°C
Scattered Showers
Mid-Afternoon
60°F 15°C
Overcast
Early-Evening
57°F 14°C
Scattered Showers
Cool with a high near 60°F 15°C, scattered downpours possible, with steady humidity and barometric pressure falling. Winds ESE at 13 mph 20 km/h. Gusts up to 25 mph 40 km/h.
Monday, November 2, 2026
Mid-Morning
56°F 13°C
Drizzle
Mid-Afternoon
54°F 12°C
Drizzle
Early-Evening
50°F 11°C
Drizzle
Brisk around 54°F 12°C, on-and-off showers throughout the day, with increasing humidity and barometric pressure rising.
Tuesday, November 3, 2026
Mid-Morning
48°F 9°C
Drizzle
Mid-Afternoon
50°F 10°C
Drizzle
Early-Evening
46°F 8°C
Drizzle
Cool and brisk at 50°F 10°C, rounds of showers expected off and on all day, with steady humidity and steady pressure. Winds switching from the ESE to the N at 7 mph 11 km/h. Gusts up to 25 mph 40 km/h.
Wednesday, November 4, 2026
Mid-Morning
44°F 7°C
Drizzle
Mid-Afternoon
48°F 9°C
Scattered Showers
Early-Evening
45°F 7°C
Scattered Showers
Chilly near 48°F 9°C, scattered downpours possible, with steady humidity and steady pressure.
Thursday, November 5, 2026
Mid-Morning
47°F 9°C
Sunny
Mid-Afternoon
53°F 12°C
Sunny
Early-Evening
46°F 8°C
Partly Cloudy
Crisp with a high near 53°F 12°C, sunny through the afternoon, turning partly cloudy this evening, with steady humidity and steady pressure.
Friday, November 6, 2026
Mid-Morning
53°F 12°C
Sunny
Mid-Afternoon
60°F 16°C
Partly Cloudy
Early-Evening
52°F 12°C
Partly Cloudy
Refreshing around 60°F 16°C, partly cloudy through the afternoon, turning cloudy this evening, with steady humidity and steady pressure.
Saturday, November 7, 2026
Mid-Morning
52°F 11°C
Sunny
Mid-Afternoon
55°F 13°C
Sunny
Early-Evening
50°F 10°C
Clear
Cool and brisk at 55°F 13°C, partly cloudy through the afternoon, turning sunny this evening, with steady humidity and steady pressure.
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