Bourne Slough, SD 14 Day Weather
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Bourne Slough, SD Weather Forecast


Bourne Slough, SD Weather Forecast Dated: 513 AM Tue Oct 27 2026
Expect a cool pattern with a mix of sun and clouds and frequent chances of rain over the coming period. generally humid conditions and no major pressure swings will dominate.
Tuesday, October 27, 2026
Mid-Morning
43°F 6°C
Light Fog
Mid-Afternoon
54°F 12°C
Sunny
Early-Evening
52°F 11°C
Sunny
Brisk around 54°F 12°C, overcast in the morning, becoming sunny through the afternoon and evening, with lower humidity and barometric pressure falling. Winds turning from the W to the S at 12 mph 20 km/h. Gusts up to 28 mph 44 km/h.
Wednesday, October 28, 2026
Mid-Morning
53°F 12°C
Partly Cloudy
Mid-Afternoon
64°F 18°C
Scattered Showers
Early-Evening
59°F 15°C
Scattered Showers
Mildly cool near 64°F 18°C, scattered downpours possible, with steady humidity and steady pressure. Winds switching from the SSE to the NNW at 9 mph 15 km/h. Gusts up to 21 mph 33 km/h.
Thursday, October 29, 2026
Mid-Morning
45°F 7°C
Sunny
Mid-Afternoon
59°F 15°C
Sunny
Early-Evening
51°F 10°C
Sunny
Comfortable at 59°F 15°C, sunny throughout the day, with lower humidity and steady pressure.
Friday, October 30, 2026
Mid-Morning
46°F 8°C
Overcast
Mid-Afternoon
49°F 9°C
Scattered Showers
Early-Evening
47°F 9°C
Drizzle
Crisp with a high near 49°F 9°C, periods of heavy rain and gusty conditions, with increasing humidity and steady pressure. Winds ESE at 12 mph 19 km/h. Gusts up to 22 mph 35 km/h.
Saturday, October 31, 2026
Mid-Morning
51°F 11°C
Light Rain
Mid-Afternoon
52°F 11°C
Fog
Early-Evening
53°F 12°C
Fog
Brisk around 52°F 11°C, scattered morning showers before drying out later, with steady humidity and steady pressure. Winds out of the SE at 8 mph 12 km/h.
Sunday, November 1, 2026
Mid-Morning
55°F 13°C
Partly Cloudy
Mid-Afternoon
59°F 15°C
Cloudy
Early-Evening
55°F 13°C
Overcast
Mildly cool near 59°F 15°C, cloudy in the morning, becoming overcast through the afternoon and evening, with steady humidity and steady pressure.
Monday, November 2, 2026
Mid-Morning
54°F 12°C
Scattered Showers
Mid-Afternoon
56°F 13°C
Scattered Showers
Early-Evening
54°F 13°C
Overcast
Chilly near 56°F 13°C, periods of heavy rain and gusty conditions, with steady humidity and steady pressure. Winds shifting from the E to the NE at 16 mph 26 km/h. Gusts up to 27 mph 43 km/h.
Tuesday, November 3, 2026
Mid-Morning
48°F 9°C
Scattered Showers
Mid-Afternoon
52°F 11°C
Overcast
Early-Evening
49°F 9°C
Overcast
Crisp with a high near 52°F 11°C, scattered downpours possible, with lower humidity and steady pressure. Winds NNE at 16 mph 26 km/h. Gusts up to 29 mph 46 km/h.
Wednesday, November 4, 2026
Mid-Morning
46°F 8°C
Partly Cloudy
Mid-Afternoon
51°F 11°C
Partly Cloudy
Early-Evening
46°F 8°C
Partly Cloudy
Brisk around 51°F 11°C, cloudy through the afternoon, turning partly cloudy this evening, with steady humidity and steady pressure. Winds switching from the NNE to the N at 9 mph 14 km/h.
Thursday, November 5, 2026
Mid-Morning
47°F 8°C
Partly Cloudy
Mid-Afternoon
51°F 10°C
Partly Cloudy
Early-Evening
43°F 6°C
Clear
Cool and brisk at 51°F 10°C, cloudy through the afternoon, turning sunny this evening, with steady humidity and steady pressure. Winds moving from the N to the NNE at 8 mph 12 km/h. Gusts up to 21 mph 33 km/h.
Friday, November 6, 2026
Mid-Morning
38°F 3°C
Partly Cloudy
Mid-Afternoon
45°F 7°C
Sunny
Early-Evening
40°F 5°C
Partly Cloudy
Chilly near 45°F 7°C, partly cloudy in the morning, sunny in the afternoon, and partly cloudy this evening, with steady humidity and barometric pressure falling.
Saturday, November 7, 2026
Mid-Morning
43°F 6°C
Partly Cloudy
Mid-Afternoon
52°F 11°C
Partly Cloudy
Early-Evening
49°F 10°C
Overcast
Crisp with a high near 52°F 11°C, partly cloudy in the morning, cloudy in the afternoon, and overcast this evening, with steady humidity and steady pressure. Winds swinging from the S to the SSE at 11 mph 18 km/h. Gusts up to 22 mph 35 km/h.
Sunday, November 8, 2026
Mid-Morning
48°F 9°C
Cloudy
Mid-Afternoon
53°F 12°C
Scattered Showers
Early-Evening
50°F 10°C
Scattered Showers
Brisk around 53°F 12°C, periods of heavy rain and gusty conditions, with steady humidity and steady pressure.
Monday, November 9, 2026
Mid-Morning
49°F 9°C
Cloudy
Mid-Afternoon
57°F 14°C
Partly Cloudy
Early-Evening
51°F 11°C
Overcast
Cool and brisk at 57°F 14°C, cloudy in the morning, partly cloudy in the afternoon, and overcast this evening, with lower humidity and steady pressure.
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