Opal, SD 14 Day Weather - 57765 WeatherWorld.com
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Opal, SD Weather Forecast


Opal, SD Weather Forecast Dated: 1033 AM Sun Sep 06 2026
Expect a very warm period with a mix of sun and clouds and mostly dry weather over the coming period. comfortable humidity and no major pressure swings will dominate.
Sunday, September 6, 2026
Mid-Morning
76°F 25°C
Sunny
Mid-Afternoon
94°F 35°C
Sunny
Early-Evening
88°F 31°C
Overcast
Very hot with temperatures reaching 94°F 35°C, sunny through the afternoon, turning cloudy this evening, with lower humidity and barometric pressure falling. Winds turning from the S to the SE at 12 mph 19 km/h.
Monday, September 7, 2026
Mid-Morning
81°F 27°C
Scattered Showers
Mid-Afternoon
92°F 33°C
Partly Cloudy
Early-Evening
85°F 29°C
Sunny
Hot and sweltering around 92°F 33°C, scattered downpours possible, with lower humidity and steady pressure. Winds switching from the WSW to the SE at 9 mph 13 km/h. Gusts up to 20 mph 31 km/h.
Tuesday, September 8, 2026
Mid-Morning
68°F 20°C
Sunny
Mid-Afternoon
82°F 28°C
Sunny
Early-Evening
75°F 24°C
Sunny
Quite warm around 82°F 28°C, sunny throughout the day, with lower humidity and steady pressure. Winds moving from the WNW to the NNW at 17 mph 28 km/h. Gusts up to 28 mph 44 km/h.
Wednesday, September 9, 2026
Mid-Morning
66°F 19°C
Overcast
Mid-Afternoon
82°F 28°C
Overcast
Early-Evening
76°F 25°C
Overcast
Warm temperatures up to 82°F 28°C, overcast throughout the day, with lower humidity and barometric pressure falling. Winds swinging from the WNW to the ESE at 10 mph 15 km/h.
Thursday, September 10, 2026
Mid-Morning
71°F 22°C
Sunny
Mid-Afternoon
90°F 32°C
Partly Cloudy
Early-Evening
82°F 28°C
Sunny
Very hot with a high of 90°F 32°C, sunny in the morning, partly cloudy in the afternoon, and cloudy this evening, with lower humidity and barometric pressure falling. Winds shifting from the SE to the SSE at 8 mph 12 km/h.
Friday, September 11, 2026
Mid-Morning
78°F 25°C
Sunny
Mid-Afternoon
80°F 26°C
Sunny
Early-Evening
66°F 19°C
Overcast
Warm and summery near 80°F 26°C, sunny in the morning, partly cloudy in the afternoon, and overcast this evening, with increasing humidity and barometric pressure rising. Winds turning from the NW to the N at 16 mph 26 km/h. Gusts up to 21 mph 33 km/h.
Saturday, September 12, 2026
Mid-Morning
49°F 9°C
Light Showers
Mid-Afternoon
52°F 11°C
Light Showers
Early-Evening
54°F 12°C
Light Showers
Chilly near 52°F 11°C, rounds of showers expected off and on all day, with lower humidity and steady pressure.
Sunday, September 13, 2026
Mid-Morning
54°F 12°C
Sunny
Mid-Afternoon
63°F 17°C
Sunny
Early-Evening
61°F 16°C
Sunny
Cool with a high near 63°F 17°C, sunny throughout the day, with lower humidity and steady pressure.
Monday, September 14, 2026
Mid-Morning
60°F 15°C
Sunny
Mid-Afternoon
75°F 24°C
Sunny
Early-Evening
69°F 21°C
Sunny
Mild temperatures up to 75°F 24°C, sunny throughout the day, with lower humidity and barometric pressure falling. Winds switching from the SSE to the ESE at 12 mph 18 km/h. Gusts up to 22 mph 35 km/h.
Tuesday, September 15, 2026
Mid-Morning
72°F 22°C
Sunny
Mid-Afternoon
97°F 36°C
Sunny
Early-Evening
85°F 30°C
Cloudy
Very hot with a high of 97°F 36°C, sunny through the afternoon, turning overcast this evening, with lower humidity and barometric pressure falling. Winds moving from the S to the ENE at 8 mph 13 km/h.
Wednesday, September 16, 2026
Mid-Morning
76°F 25°C
Overcast
Mid-Afternoon
90°F 32°C
Overcast
Early-Evening
83°F 28°C
Overcast
Very hot with temperatures reaching 90°F 32°C, overcast throughout the day, with lower humidity and steady pressure. Winds swinging from the NE to the ESE at 12 mph 19 km/h. Gusts up to 20 mph 32 km/h.
Thursday, September 17, 2026
Mid-Morning
80°F 27°C
Sunny
Mid-Afternoon
88°F 31°C
Sunny
Early-Evening
78°F 25°C
Overcast
Balmy with temperatures reaching 88°F 31°C, sunny through the afternoon, turning partly cloudy this evening, with steady humidity and steady pressure. Winds shifting from the W to the NE at 13 mph 21 km/h. Gusts up to 23 mph 37 km/h.
Friday, September 18, 2026
Mid-Morning
73°F 23°C
Overcast
Mid-Afternoon
82°F 28°C
Overcast
Early-Evening
74°F 23°C
Overcast
Quite warm around 82°F 28°C, overcast throughout the day, with steady humidity and barometric pressure falling. Winds turning from the SE to the ESE at 15 mph 23 km/h. Gusts up to 25 mph 40 km/h.
Saturday, September 19, 2026
Mid-Morning
43°F 6°C
Overcast
Mid-Afternoon
49°F 9°C
Overcast
Early-Evening
48°F 9°C
Partly Cloudy
Cool and brisk at 49°F 9°C, overcast through the afternoon, turning sunny this evening, with lower humidity and barometric pressure rising. Winds decreasing from W 36 mph 58 km/h to NNW 17 mph 27 km/h. Gusts up to 32 mph 50 km/h.
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