Johnson Dam, SD 14 Day Weather
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Johnson Dam, SD Weather Forecast


Johnson Dam, SD Weather Forecast Dated: 327 PM Wed Nov 11 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.
Wednesday, November 11, 2026
Mid-Morning
45°F 7°C
Partly Cloudy
Mid-Afternoon
53°F 12°C
Sunny
Early-Evening
43°F 6°C
Partly Cloudy
Brisk around 53°F 12°C, cloudy in the morning, sunny in the afternoon, and partly cloudy this evening, with steady humidity and steady pressure.
Thursday, November 12, 2026
Mid-Morning
38°F 3°C
Cloudy
Mid-Afternoon
44°F 7°C
Partly Cloudy
Early-Evening
38°F 3°C
Clear
Biting cold near 44°F 7°C, cloudy in the morning, partly cloudy in the afternoon, and sunny this evening, with steady humidity and steady pressure. Winds out of the SSE at 10 mph 16 km/h.
Friday, November 13, 2026
Mid-Morning
34°F 1°C
Partly Cloudy
Mid-Afternoon
43°F 6°C
Cloudy
Early-Evening
37°F 3°C
Cloudy
Cold with a high near 43°F 6°C, partly cloudy in the morning, becoming overcast through the afternoon and evening, with steady humidity and barometric pressure falling. Winds blowing from the SE at 16 mph 25 km/h. Gusts up to 29 mph 46 km/h.
Saturday, November 14, 2026
Mid-Morning
38°F 3°C
Overcast
Mid-Afternoon
46°F 8°C
Overcast
Early-Evening
42°F 6°C
Overcast
Crisp with a high near 46°F 8°C, overcast throughout the day, with lower humidity and steady pressure. Winds SE at 18 mph 29 km/h. Gusts up to 35 mph 57 km/h.
Sunday, November 15, 2026
Mid-Morning
42°F 5°C
Partly Cloudy
Mid-Afternoon
52°F 11°C
Sunny
Early-Evening
46°F 8°C
Clear
Brisk around 52°F 11°C, partly cloudy in the morning, becoming sunny through the afternoon and evening, with increasing humidity and steady pressure. Winds out of the SSE at 11 mph 18 km/h.
Monday, November 16, 2026
Mid-Morning
45°F 7°C
Sunny
Mid-Afternoon
54°F 12°C
Partly Cloudy
Early-Evening
48°F 9°C
Partly Cloudy
Cool and brisk at 54°F 12°C, sunny in the morning, becoming partly cloudy through the afternoon and evening, with steady humidity and steady pressure. Winds blowing from the SSE at 9 mph 15 km/h.
Tuesday, November 17, 2026
Mid-Morning
46°F 8°C
Partly Cloudy
Mid-Afternoon
50°F 10°C
Partly Cloudy
Early-Evening
45°F 8°C
Clear
Chilly near 50°F 10°C, cloudy in the morning, partly cloudy in the afternoon, and sunny this evening, with steady humidity and steady pressure. Winds turning from the SE to the SSE at 10 mph 16 km/h. Gusts up to 20 mph 32 km/h.
Wednesday, November 18, 2026
Mid-Morning
44°F 7°C
Partly Cloudy
Mid-Afternoon
47°F 8°C
Scattered Showers
Early-Evening
42°F 6°C
Scattered Showers
Crisp with a high near 47°F 8°C, scattered downpours possible, with steady humidity and barometric pressure rising. Winds switching from the WSW to the WNW at 10 mph 15 km/h. Gusts up to 27 mph 43 km/h.
Thursday, November 19, 2026
Mid-Morning
39°F 4°C
Partly Cloudy
Mid-Afternoon
40°F 5°C
Scattered Showers
Early-Evening
38°F 4°C
Scattered Showers
Cold with a high near 40°F 5°C, locally heavy downpours at times, with steady humidity and steady pressure. Winds moving from the NNW to the E at 5 mph 9 km/h.
Friday, November 20, 2026
Mid-Morning
39°F 4°C
Scattered Showers
Mid-Afternoon
42°F 5°C
Drizzle
Early-Evening
40°F 5°C
Scattered Showers
Nippy around 42°F 5°C, periods of heavy rain and gusty conditions, with steady humidity and barometric pressure falling. Winds swinging from the SE to the NW at 5 mph 7 km/h.
Saturday, November 21, 2026
Mid-Morning
31°F 0°C
Blizzard
Mid-Afternoon
28°F -2°C
Blizzard
Early-Evening
22°F -6°C
Heavy Snow Showers
Freezing temperatures near 28°F -2°C, patchy blowing snow and gusty conditions, with steady humidity and barometric pressure rising. Winds shifting from the NW to the NNW at 17 mph 27 km/h. Gusts up to 31 mph 50 km/h.
Sunday, November 22, 2026
Mid-Morning
19°F -8°C
Partly Cloudy
Mid-Afternoon
25°F -4°C
Cloudy
Early-Evening
24°F -4°C
Partly Cloudy
Frigid with highs around 25°F -4°C, partly cloudy in the morning, becoming cloudy through the afternoon and evening, with steady humidity and barometric pressure falling. Winds turning from the NW to the WNW at 9 mph 15 km/h. Gusts up to 31 mph 50 km/h.
Monday, November 23, 2026
Mid-Morning
23°F -5°C
Partly Cloudy
Mid-Afternoon
26°F -3°C
Sunny
Early-Evening
22°F -6°C
Clear
Freezing near 26°F -3°C, partly cloudy in the morning, becoming sunny through the afternoon and evening, with steady humidity and steady pressure.
Tuesday, November 24, 2026
Mid-Morning
27°F -3°C
Sunny
Mid-Afternoon
33°F 1°C
Sunny
Early-Evening
30°F -2°C
Partly Cloudy
Biting cold near 33°F 1°C, sunny through the afternoon, turning partly cloudy this evening, with increasing humidity and steady pressure. Winds NNW at 8 mph 13 km/h.
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