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Promise, SD Weather Forecast


Promise, SD Weather Forecast Dated: 1130 PM Sun Sep 13 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, September 13, 2026
Mid-Morning
56°F 13°C
Partly Cloudy
Mid-Afternoon
67°F 20°C
Partly Cloudy
Early-Evening
65°F 19°C
Sunny
Refreshing around 67°F 20°C, partly cloudy through the afternoon, turning sunny this evening, with steady humidity and barometric pressure falling. Winds turning from the E to the SE at 16 mph 25 km/h. Gusts up to 27 mph 43 km/h.
Monday, September 14, 2026
Mid-Morning
55°F 13°C
Light Showers
Mid-Afternoon
72°F 22°C
Sunny
Early-Evening
69°F 20°C
Sunny
Comfortable with temperatures reaching 72°F 22°C, scattered morning showers before drying out later, with lower humidity and steady pressure. Winds switching from the S to the WNW at 24 mph 39 km/h. Gusts up to 36 mph 58 km/h.
Tuesday, September 15, 2026
Mid-Morning
55°F 13°C
Sunny
Mid-Afternoon
66°F 19°C
Sunny
Early-Evening
66°F 19°C
Overcast
Comfortable at 66°F 19°C, sunny through the afternoon, turning cloudy this evening, with lower humidity and steady pressure. Winds decreasing from NW 13 mph 21 km/h to SE 4 mph 6 km/h.
Wednesday, September 16, 2026
Mid-Morning
58°F 15°C
Scattered Showers
Mid-Afternoon
72°F 22°C
Sunny
Early-Evening
68°F 20°C
Sunny
Mild temperatures up to 72°F 22°C, periods of heavy rain and gusty conditions, with steady humidity and steady pressure. Winds easing from SE 18 mph 30 km/h to E 10 mph 17 km/h.
Thursday, September 17, 2026
Mid-Morning
61°F 16°C
Overcast
Mid-Afternoon
76°F 24°C
Overcast
Early-Evening
70°F 21°C
Light Showers
Mild with a high of 76°F 24°C, mainly dry until evening showers arrive, with steady humidity and barometric pressure falling. Winds shifting from the ESE to the SSE at 15 mph 24 km/h. Gusts up to 28 mph 44 km/h.
Friday, September 18, 2026
Mid-Morning
61°F 16°C
Overcast
Mid-Afternoon
72°F 22°C
Sunny
Early-Evening
68°F 20°C
Sunny
Pleasant near 72°F 22°C, overcast in the morning, becoming sunny through the afternoon and evening, with lower humidity and steady pressure. Winds turning from the ENE to the SE at 7 mph 12 km/h.
Saturday, September 19, 2026
Mid-Morning
58°F 15°C
Overcast
Mid-Afternoon
60°F 16°C
Light Showers
Early-Evening
61°F 16°C
Overcast
Comfortable at 60°F 16°C, drier morning followed by scattered afternoon showers, with steady humidity and steady pressure.
Sunday, September 20, 2026
Mid-Morning
57°F 14°C
Light Showers
Mid-Afternoon
65°F 18°C
Scattered Showers
Early-Evening
59°F 15°C
Light Showers
Cool with a high near 65°F 18°C, scattered downpours possible, with steady humidity and steady pressure. Winds switching from the SSE to the NNW at 6 mph 10 km/h.
Monday, September 21, 2026
Mid-Morning
55°F 13°C
Scattered Showers
Mid-Afternoon
62°F 16°C
Scattered Showers
Early-Evening
59°F 15°C
Scattered Showers
Refreshing around 62°F 16°C, locally heavy downpours at times, with steady humidity and steady pressure. Winds moving from the E to the SSW at 5 mph 8 km/h.
Tuesday, September 22, 2026
Mid-Morning
57°F 14°C
Sunny
Mid-Afternoon
68°F 20°C
Overcast
Early-Evening
69°F 21°C
Sunny
Mild with a high of 68°F 20°C, sunny in the morning, overcast in the afternoon, and cloudy this evening, with lower humidity and steady pressure.
Wednesday, September 23, 2026
Mid-Morning
54°F 12°C
Sunny
Mid-Afternoon
62°F 17°C
Sunny
Early-Evening
58°F 14°C
Sunny
Comfortable at 62°F 17°C, sunny throughout the day, with steady humidity and steady pressure. Winds swinging from the WNW to the NW at 18 mph 29 km/h. Gusts up to 33 mph 53 km/h.
Thursday, September 24, 2026
Mid-Morning
48°F 9°C
Sunny
Mid-Afternoon
61°F 16°C
Sunny
Early-Evening
57°F 14°C
Sunny
Cool with a high near 61°F 16°C, sunny throughout the day, with steady humidity and steady pressure. Winds shifting from the NNW to the NNE at 10 mph 16 km/h. Gusts up to 20 mph 33 km/h.
Friday, September 25, 2026
Mid-Morning
46°F 8°C
Sunny
Mid-Afternoon
60°F 16°C
Sunny
Early-Evening
60°F 16°C
Sunny
Refreshing around 60°F 16°C, sunny throughout the day, with lower humidity and barometric pressure falling. Winds turning from the ENE to the SE at 8 mph 13 km/h.
Saturday, September 26, 2026
Mid-Morning
50°F 10°C
Overcast
Mid-Afternoon
64°F 18°C
Overcast
Early-Evening
59°F 15°C
Partly Cloudy
Mildly cool near 64°F 18°C, overcast through the afternoon, turning partly cloudy this evening, with lower humidity and steady pressure. Winds switching from the SE to the ESE at 14 mph 22 km/h. Gusts up to 26 mph 42 km/h.
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