Weather WorldOpal Lake, SD 7-Day Weather Forecast
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Opal Lake Weather Forecast
Opal Lake, SD Weather Forecast Date: 322 AM MDT Sun Sep 27 2026
Weather forecast for Opal Lake, SD
Morning Hi: 55°FHi: 13°C |
Early This Morning... Partly cloudy. Near steady temperature in the mid 50s. North winds 10 to 15 mph with gusts up to 25 mph. |
Today Hi: 69°FHi: 21°C Lo: 55°F Lo: 13°C |
Today... Partly cloudy with a slight chance of showers in the morning, then mostly cloudy with a chance of showers with a slight chance of thunderstorms in the afternoon. Highs in the upper 60s. Northeast winds 10 to 20 mph. Gusts up to 25 mph, increasing to 35 mph in the afternoon. Chance of rain 30%. |
| Mon Hi: 75°FHi: 24°C Lo: 51°F Lo: 11°C |
Monday... Becoming partly cloudy. Showers likely. A chance of thunderstorms in the afternoon. Breezy with highs in the mid 70s. South winds 20 to 30 mph, becoming southwest 10 to 20 mph in the afternoon. Chance of rain 70%. |
| Tue Hi: 71°FHi: 22°C Lo: 50°F Lo: 10°C |
Tuesday... Partly cloudy in the morning, then clearing. Highs in the lower 70s. Northwest winds 10 to 15 mph. |
Wed Hi: 75°FHi: 24°C Lo: 49°F Lo: 9°C |
Wednesday... Mostly sunny. Highs in the mid 70s. |
| Thu Hi: 65°FHi: 18°C Lo: 49°F Lo: 9°C |
Thursday... Mostly sunny. Highs in the mid 60s. |
| Fri Hi: 69°FHi: 21°C Lo: 50°F Lo: 10°C |
Friday... Mostly sunny and breezy. Highs in the upper 60s. |
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