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Opal Lake, SD Weather Forecast
Opal Lake, SD Weather Forecast Dated: 931 PM Thu Aug 06 2026 (Opal Lake Time)
Thu, 6th Lo: 14°C57°F Hi: 36°C97°F |
Sunny Thursday, temperatures as high as 97°F36°C, low temperature around 57°F14°C, wind out of the W 18 mph30 km/h. Barometric pressure 29.8 in1009 mb, visibility 6 mi10 km, humidity 22%. |
| Fri, 7th Lo: 15°C59°F Hi: 32°C89°F |
Sunny Friday, temperatures as high as 89°F32°C, low temperature around 59°F15°C, chance of rain 1%, wind out of the ENE 21 mph34 km/h. Barometric pressure 29.97 in1015 mb, visibility 6 mi10 km, humidity 34%. |
| Sat, 8th Lo: 19°C66°F Hi: 38°C100°F |
Sunny Saturday, temperatures as high as 100°F38°C, low temperature around 66°F19°C, chance of rain 1%, wind out of the ENE 13 mph22 km/h. Barometric pressure 29.77 in1008 mb, visibility 6 mi10 km, humidity 23%. |
| Sun, 9th Lo: 17°C62°F Hi: 32°C89°F |
Sunny Sunday, temperatures as high as 89°F32°C, low temperature around 62°F17°C, chance of rain 36%, wind out of the E 17 mph27 km/h. Barometric pressure 29.8 in1009 mb, visibility 6 mi10 km, humidity 40%. |
| Mon, 10th Lo: 17°C63°F Hi: 33°C91°F |
Sunny Monday, temperatures as high as 91°F33°C, low temperature around 63°F17°C, chance of rain 36%, wind out of the ESE 11 mph18 km/h. Barometric pressure 29.85 in1011 mb, visibility 6 mi10 km, humidity 50%. |
| Tue, 11th Lo: 19°C66°F Hi: 33°C91°F |
Sunny Tuesday, temperatures as high as 91°F33°C, low temperature around 66°F19°C, chance of rain 2%, wind out of the ESE 13 mph20 km/h. Barometric pressure 29.85 in1011 mb, visibility 6 mi10 km, humidity 50%. |
| Wed, 12th Lo: 20°C67°F Hi: 31°C87°F |
Sunny Wednesday, temperatures as high as 87°F31°C, low temperature around 67°F20°C, chance of rain 4%, wind out of the ENE 15 mph24 km/h. Barometric pressure 29.88 in1012 mb, visibility 6 mi10 km, humidity 42%. |
| Thu, 13th Lo: 15°C59°F Hi: 29°C85°F |
Sunny Thursday, temperatures as high as 85°F29°C, low temperature around 59°F15°C, chance of rain 57%, wind out of the SE 20 mph32 km/h. Barometric pressure 29.94 in1014 mb, visibility 6 mi10 km, humidity 41%. |
| Fri, 14th Lo: 20°C67°F Hi: 33°C92°F |
Sunny Friday, temperatures as high as 92°F33°C, low temperature around 67°F20°C, chance of rain 1%, wind out of the W 22 mph36 km/h. Barometric pressure 29.8 in1009 mb, visibility 6 mi10 km, humidity 48%. |
| Sat, 15th Lo: 16°C60°F Hi: 26°C80°F |
Sunny Saturday, temperatures as high as 80°F26°C, low temperature around 60°F16°C, chance of rain 17%, wind out of the NW 14 mph23 km/h. Barometric pressure 30 in1016 mb, visibility 6 mi10 km, humidity 41%. |
| Sun, 16th Lo: 16°C60°F Hi: 31°C87°F |
Sunny Sunday, temperatures as high as 87°F31°C, low temperature around 60°F16°C, chance of rain 57%, wind out of the SE 15 mph23 km/h. Barometric pressure 29.83 in1010 mb, visibility 6 mi10 km, humidity 51%. |
| Mon, 17th Lo: 20°C68°F Hi: 27°C81°F |
Sunny Monday, temperatures as high as 81°F27°C, low temperature around 68°F20°C, chance of rain 2%, wind out of the NW 25 mph40 km/h. Barometric pressure 29.68 in1005 mb, visibility 6 mi10 km, humidity 46%. |
| Tue, 18th Lo: 16°C60°F Hi: 27°C80°F |
Sunny Tuesday, temperatures as high as 80°F27°C, low temperature around 60°F16°C, chance of rain 1%, wind out of the NW 21 mph33 km/h. Barometric pressure 29.97 in1015 mb, visibility 6 mi10 km, humidity 42%. |
| Wed, 19th Lo: 14°C58°F Hi: 30°C85°F |
Sunny Wednesday, temperatures as high as 85°F30°C, low temperature around 58°F14°C, chance of rain 1%, wind out of the SE 20 mph32 km/h. Barometric pressure 30.06 in1018 mb, visibility 6 mi10 km, humidity 38%. |
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