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Opal Lake Weather Forecast
Opal Lake, SD Weather Forecast Date: 252 AM MST Thu Nov 12 2026
Weather forecast for Opal Lake, SD
Morning Hi: 31°FHi: -1°C |
Early This Morning... Mostly clear. Areas of fog. Near steady temperature in the lower 30s. East winds 5 to 10 mph with gusts up to 20 mph. |
Today Hi: 45°FHi: 7°C Lo: 25°F Lo: -4°C |
Today... Becoming partly cloudy. Areas of fog in the morning. Highs in the mid 40s. Southeast winds 10 to 15 mph with gusts up to 25 mph. |
| Fri Hi: 49°FHi: 9°C Lo: 31°F Lo: -1°C |
Friday... Patchy fog in the morning. Partly cloudy. Breezy with highs in the upper 40s. Southeast winds 10 to 20 mph with gusts up to 30 mph, increasing to 20 to 30 mph with gusts up to 40 mph in the afternoon. |
Sat Hi: 51°FHi: 11°C Lo: 31°F Lo: -1°C |
Saturday... Partly cloudy and windy. Highs in the lower 50s. Southeast winds 25 to 35 mph with gusts up to 50 mph. |
Sun Hi: 59°FHi: 15°C Lo: 35°F Lo: 2°C |
Sunday... Sunny. Highs in the upper 50s. |
| Mon Hi: 61°FHi: 16°C Lo: 35°F Lo: 2°C |
Monday... Mostly sunny. Highs in the lower 60s. |
| Tue Hi: 59°FHi: 15°C Lo: 35°F Lo: 2°C |
Tuesday... Partly cloudy. Highs in the upper 50s. |
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