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McCook County, SD Weather Forecast
McCook County, SD Weather Forecast Dated: 1144 AM Sun Oct 04 2026
Expect a cool pattern 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, October 4, 2026
Mid-Morning
52°F 11°C
Partly Cloudy
Mid-Afternoon
67°F 20°C
Sunny
Early-Evening
61°F 16°C
Sunny
Refreshing around 67°F 20°C, partly cloudy in the morning, becoming sunny through the afternoon and evening, with lower humidity and steady pressure.
Monday, October 5, 2026
Mid-Morning
54°F 12°C
Sunny
Mid-Afternoon
72°F 22°C
Sunny
Early-Evening
66°F 19°C
Sunny
Comfortable with temperatures reaching 72°F 22°C, sunny throughout the day, with steady humidity and barometric pressure falling. Winds out of the S at 20 mph 33 km/h. Gusts up to 35 mph 56 km/h.
Tuesday, October 6, 2026
Mid-Morning
60°F 16°C
Sunny
Mid-Afternoon
81°F 27°C
Sunny
Early-Evening
72°F 22°C
Partly Cloudy
Quite warm around 81°F 27°C, sunny throughout the day, with lower humidity and steady pressure.
Wednesday, October 7, 2026
Mid-Morning
60°F 15°C
Overcast
Mid-Afternoon
72°F 22°C
Overcast
Early-Evening
65°F 18°C
Overcast
Mild temperatures up to 72°F 22°C, overcast throughout the day, with lower humidity and steady pressure. Winds switching from the NNE to the NE at 5 mph 7 km/h.
Thursday, October 8, 2026
Mid-Morning
55°F 13°C
Overcast
Mid-Afternoon
70°F 21°C
Overcast
Early-Evening
65°F 18°C
Overcast
Mild with a high of 70°F 21°C, overcast throughout the day, with steady humidity and steady pressure. Winds SSE at 12 mph 19 km/h.
Friday, October 9, 2026
Mid-Morning
58°F 15°C
Sunny
Mid-Afternoon
72°F 22°C
Sunny
Early-Evening
67°F 20°C
Partly Cloudy
Pleasant near 72°F 22°C, sunny in the morning, partly cloudy in the afternoon, and sunny this evening, with steady humidity and barometric pressure falling. Winds out of the E at 9 mph 14 km/h.
Saturday, October 10, 2026
Mid-Morning
67°F 19°C
Sunny
Mid-Afternoon
82°F 28°C
Sunny
Early-Evening
76°F 25°C
Sunny
Balmy with temperatures reaching 82°F 28°C, sunny throughout the day, with lower humidity and steady pressure. Winds blowing from the S at 21 mph 34 km/h. Gusts up to 36 mph 59 km/h.
Sunday, October 11, 2026
Mid-Morning
69°F 20°C
Sunny
Mid-Afternoon
81°F 27°C
Sunny
Early-Evening
75°F 24°C
Sunny
Quite warm around 81°F 27°C, sunny through the afternoon, turning partly cloudy this evening, with lower humidity and steady pressure. Winds S at 20 mph 32 km/h. Gusts up to 34 mph 54 km/h.
Monday, October 12, 2026
Mid-Morning
64°F 18°C
Overcast
Mid-Afternoon
63°F 17°C
Overcast
Early-Evening
54°F 12°C
Scattered Showers
Refreshing around 63°F 17°C, locally heavy downpours at times, with steady humidity and barometric pressure rising. Winds switching from the S to the NW at 13 mph 22 km/h. Gusts up to 25 mph 40 km/h.
Tuesday, October 13, 2026
Mid-Morning
45°F 7°C
Sunny
Mid-Afternoon
51°F 11°C
Sunny
Early-Evening
49°F 10°C
Sunny
Cool and brisk at 51°F 11°C, sunny throughout the day, with lower humidity and steady pressure. Winds blowing from the NW at 23 mph 37 km/h. Gusts up to 33 mph 53 km/h.
Wednesday, October 14, 2026
Mid-Morning
44°F 6°C
Sunny
Mid-Afternoon
56°F 13°C
Sunny
Early-Evening
52°F 11°C
Partly Cloudy
Chilly near 56°F 13°C, sunny in the morning, partly cloudy in the afternoon, and overcast this evening, with lower humidity and steady pressure. Winds decreasing from WNW 17 mph 27 km/h to NW 7 mph 10 km/h.
Thursday, October 15, 2026
Mid-Morning
49°F 10°C
Overcast
Mid-Afternoon
61°F 16°C
Sunny
Early-Evening
51°F 11°C
Scattered Showers
Cool with a high near 61°F 16°C, locally heavy downpours at times, with increasing humidity and steady pressure. Winds picking up from SE at 11 mph 18 km/h to NW at 27 mph 43 km/h. Gusts up to 38 mph 62 km/h.
Friday, October 16, 2026
Mid-Morning
41°F 5°C
Scattered Showers
Mid-Afternoon
48°F 9°C
Scattered Showers
Early-Evening
42°F 6°C
Overcast
Brisk around 48°F 9°C, periods of heavy rain and gusty conditions, with lower humidity and steady pressure. Winds turning from the NW to the NNW at 17 mph 28 km/h. Gusts up to 27 mph 42 km/h.
Saturday, October 17, 2026
Mid-Morning
33°F 1°C
Freezing Rain
Mid-Afternoon
38°F 4°C
Blowing Snow
Early-Evening
35°F 2°C
Scattered Showers
Biting cold near 38°F 4°C, locally heavy freezing rain at times, with steady humidity and steady pressure. Winds NNW at 19 mph 30 km/h. Gusts up to 22 mph 35 km/h.
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