Weather WorldOpal Lake, SD 14 Day Weather
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Opal Lake, SD Weather Forecast
Opal Lake, SD Weather Forecast Dated: 813 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
38°F 3°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 barometric pressure falling. Winds out of the SE at 11 mph 18 km/h.
Friday, November 13, 2026
Mid-Morning
36°F 2°C
Cloudy
Mid-Afternoon
48°F 9°C
Partly Cloudy
Early-Evening
41°F 5°C
Overcast
Cool and brisk at 48°F 9°C, cloudy through the afternoon, turning overcast this evening, with steady humidity and barometric pressure falling. Winds switching from the ESE to the SE at 19 mph 30 km/h. Gusts up to 32 mph 51 km/h.
Saturday, November 14, 2026
Mid-Morning
43°F 6°C
Overcast
Mid-Afternoon
50°F 10°C
Cloudy
Early-Evening
46°F 8°C
Cloudy
Chilly near 50°F 10°C, overcast in the morning, becoming cloudy through the afternoon and evening, with steady humidity and steady pressure. Winds moving from the SE to the SSE at 16 mph 25 km/h. Gusts up to 27 mph 44 km/h.
Sunday, November 15, 2026
Mid-Morning
46°F 8°C
Sunny
Mid-Afternoon
56°F 13°C
Sunny
Early-Evening
48°F 9°C
Clear
Crisp with a high near 56°F 13°C, sunny throughout the day, with steady humidity and steady pressure.
Monday, November 16, 2026
Mid-Morning
46°F 8°C
Sunny
Mid-Afternoon
57°F 14°C
Partly Cloudy
Early-Evening
49°F 9°C
Partly Cloudy
Brisk around 57°F 14°C, sunny in the morning, becoming partly cloudy through the afternoon and evening, with steady humidity and barometric pressure falling.
Tuesday, November 17, 2026
Mid-Morning
46°F 8°C
Overcast
Mid-Afternoon
54°F 12°C
Partly Cloudy
Early-Evening
46°F 8°C
Partly Cloudy
Cool and brisk at 54°F 12°C, overcast in the morning, becoming cloudy through the afternoon and evening, with steady humidity and steady pressure.
Wednesday, November 18, 2026
Mid-Morning
43°F 6°C
Partly Cloudy
Mid-Afternoon
47°F 8°C
Scattered Showers
Early-Evening
42°F 6°C
Drizzle
Chilly near 47°F 8°C, periods of heavy rain and gusty conditions, with steady humidity and steady pressure. Winds swinging from the NE to the NNW at 8 mph 13 km/h. Gusts up to 27 mph 43 km/h.
Thursday, November 19, 2026
Mid-Morning
39°F 4°C
Scattered Showers
Mid-Afternoon
40°F 5°C
Scattered Showers
Early-Evening
39°F 4°C
Scattered Showers
Biting cold near 40°F 5°C, scattered downpours possible, with steady humidity and steady pressure. Winds blowing from the NNW at 9 mph 14 km/h.
Friday, November 20, 2026
Mid-Morning
37°F 3°C
Overcast
Mid-Afternoon
40°F 5°C
Overcast
Early-Evening
38°F 4°C
Overcast
Cold with a high near 40°F 5°C, overcast throughout the day, with steady humidity and steady pressure. Winds turning from the NNW to the ENE at 9 mph 14 km/h.
Saturday, November 21, 2026
Mid-Morning
36°F 2°C
Light Snow
Mid-Afternoon
37°F 3°C
Cloudy
Early-Evening
36°F 2°C
Cloudy
Nippy around 37°F 3°C, early snow breaking for a drier afternoon, with steady humidity and steady pressure. Winds switching from the ENE to the NW at 10 mph 16 km/h. Gusts up to 26 mph 41 km/h.
Sunday, November 22, 2026
Mid-Morning
33°F 0°C
Scattered Showers
Mid-Afternoon
38°F 3°C
Overcast
Early-Evening
36°F 2°C
Overcast
Biting cold near 38°F 3°C, scattered downpours possible, with steady humidity and steady pressure. Winds blowing from the NW at 8 mph 12 km/h.
Monday, November 23, 2026
Mid-Morning
34°F 1°C
Partly Cloudy
Mid-Afternoon
35°F 2°C
Partly Cloudy
Early-Evening
30°F -1°C
Light Snow
Cold with a high near 35°F 2°C, dry most of the day, with snow developing late, with steady humidity and steady pressure.
Tuesday, November 24, 2026
Mid-Morning
30°F -1°C
Scattered Showers
Mid-Afternoon
32°F 0°C
Partly Cloudy
Early-Evening
28°F -3°C
Partly Cloudy
Nippy around 32°F 0°C, periods of heavy rain and gusty conditions, with steady humidity and steady pressure.
Wednesday, November 25, 2026
Mid-Morning
29°F -2°C
Partly Cloudy
Mid-Afternoon
30°F -1°C
Partly Cloudy
Early-Evening
24°F -5°C
Partly Cloudy
Freezing temperatures near 30°F -1°C, partly cloudy throughout the day, with steady humidity and steady pressure. Winds swinging from the NW to the NNW at 7 mph 11 km/h.
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