Weather WorldOpal Lake, SD 14 Day Weather
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Opal Lake, SD Weather Forecast
Opal Lake, SD Weather Forecast Dated: 637 AM Thu Nov 12 2026
Expect a cool pattern with a mix of sun and clouds and occasional showers over the coming period. generally humid conditions and no major pressure swings will dominate.
Thursday, November 12, 2026
Mid-Morning
39°F 4°C
Partly Cloudy
Mid-Afternoon
47°F 8°C
Sunny
Early-Evening
39°F 4°C
Clear
Brisk around 47°F 8°C, cloudy in the morning, sunny in the afternoon, and partly cloudy this evening, with steady humidity and steady pressure. Winds out of the SE at 11 mph 18 km/h.
Friday, November 13, 2026
Mid-Morning
36°F 2°C
Overcast
Mid-Afternoon
47°F 8°C
Cloudy
Early-Evening
41°F 5°C
Overcast
Cool and brisk at 47°F 8°C, overcast in the morning, cloudy in the afternoon, and overcast this evening, with steady humidity and barometric pressure falling. Winds blowing from the SE at 18 mph 29 km/h. Gusts up to 32 mph 51 km/h.
Saturday, November 14, 2026
Mid-Morning
44°F 7°C
Cloudy
Mid-Afternoon
52°F 11°C
Partly Cloudy
Early-Evening
46°F 8°C
Partly Cloudy
Chilly near 52°F 11°C, cloudy in the morning, partly cloudy in the afternoon, and cloudy this evening, with steady humidity and steady pressure. Winds SE at 18 mph 29 km/h. Gusts up to 26 mph 42 km/h.
Sunday, November 15, 2026
Mid-Morning
44°F 7°C
Partly Cloudy
Mid-Afternoon
55°F 13°C
Sunny
Early-Evening
47°F 8°C
Clear
Crisp with a high near 55°F 13°C, partly cloudy in the morning, becoming sunny through the afternoon and evening, with lower humidity and steady pressure.
Monday, November 16, 2026
Mid-Morning
46°F 8°C
Partly Cloudy
Mid-Afternoon
56°F 13°C
Cloudy
Early-Evening
49°F 10°C
Overcast
Brisk around 56°F 13°C, cloudy through the afternoon, turning overcast this evening, with steady humidity and steady pressure.
Tuesday, November 17, 2026
Mid-Morning
50°F 10°C
Partly Cloudy
Mid-Afternoon
52°F 11°C
Partly Cloudy
Early-Evening
46°F 8°C
Partly Cloudy
Cool and brisk at 52°F 11°C, partly cloudy throughout the day, with steady humidity and steady pressure.
Wednesday, November 18, 2026
Mid-Morning
44°F 7°C
Partly Cloudy
Mid-Afternoon
48°F 9°C
Drizzle
Early-Evening
43°F 6°C
Drizzle
Chilly near 48°F 9°C, drier morning followed by showers lasting through evening, with increasing humidity and steady pressure. Winds swinging from the NNW to the ESE at 10 mph 16 km/h. Gusts up to 20 mph 31 km/h.
Thursday, November 19, 2026
Mid-Morning
40°F 5°C
Cloudy
Mid-Afternoon
39°F 4°C
Cloudy
Early-Evening
36°F 3°C
Overcast
Biting cold near 39°F 4°C, overcast throughout the day, with steady humidity and steady pressure. Winds shifting from the NNW to the NW at 5 mph 8 km/h.
Friday, November 20, 2026
Mid-Morning
37°F 3°C
Partly Cloudy
Mid-Afternoon
40°F 4°C
Overcast
Early-Evening
36°F 3°C
Overcast
Cold with a high near 40°F 4°C, partly cloudy in the morning, cloudy in the afternoon, and overcast this evening, with steady humidity and steady pressure.
Saturday, November 21, 2026
Mid-Morning
35°F 1°C
Heavy Snow
Mid-Afternoon
33°F 1°C
Heavy Snow
Early-Evening
32°F -1°C
Heavy Snow
Nippy around 33°F 1°C, rounds of snow expected off and on all day, with steady humidity and steady pressure. New snow accumulation of 2 to 5 in. 5 to 13 cm. Winds turning from the ENE to the ESE at 11 mph 18 km/h.
Sunday, November 22, 2026
Mid-Morning
28°F -2°C
Heavy Snow
Mid-Afternoon
29°F -2°C
Light Snow
Early-Evening
26°F -4°C
Light Snow
Freezing temperatures near 29°F -2°C, persistent snow off and on through the day, with steady humidity and steady pressure. Snow accumulation up to 2 in. up to 5 cm. Winds switching from the NW to the WNW at 8 mph 12 km/h. Gusts up to 20 mph 32 km/h.
Monday, November 23, 2026
Mid-Morning
25°F -4°C
Partly Cloudy
Mid-Afternoon
24°F -4°C
Partly Cloudy
Early-Evening
20°F -7°C
Partly Cloudy
Frigid with highs around 24°F -4°C, partly cloudy through the afternoon, turning cloudy this evening, with steady humidity and steady pressure. Winds blowing from the WNW at 7 mph 11 km/h.
Tuesday, November 24, 2026
Mid-Morning
18°F -8°C
Heavy Snow
Mid-Afternoon
17°F -9°C
Cloudy
Early-Evening
14°F -10°C
Partly Cloudy
Freezing near 17°F -9°C, early snow breaking for a drier afternoon, with steady humidity and steady pressure.
Wednesday, November 25, 2026
Mid-Morning
17°F -8°C
Sunny
Mid-Afternoon
18°F -8°C
Sunny
Early-Evening
11°F -13°C
Cloudy
Freezing temperatures near 18°F -8°C, sunny through the afternoon, turning cloudy this evening, with steady humidity and steady pressure.
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