Three Forks Campground, SD 14 Day Weather
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Three Forks Campground, SD Weather Forecast


Three Forks Campground, SD Weather Forecast Dated: 523 PM Tue Aug 18 2026 (Three Forks Campground Time)
| Tue, 18th Lo: 14°C56°F Hi: 26°C80°F |
Overcast Tuesday, temperatures as high as 80°F26°C, low temperature around 56°F14°C, chance of rain 62%, wind out of the WSW 11 mph18 km/h. Barometric pressure 29.97 in1015 mb, visibility 6 mi10 km, humidity 58%. |
| Wed, 19th Lo: 13°C55°F Hi: 26°C79°F |
Sunny Wednesday, temperatures as high as 79°F26°C, low temperature around 55°F13°C, chance of rain 5%, wind out of the SW 10 mph15 km/h. Barometric pressure 29.97 in1015 mb, visibility 6 mi10 km, humidity 56%. |
| Thu, 20th Lo: 16°C61°F Hi: 31°C88°F |
Sunny Thursday, temperatures as high as 88°F31°C, low temperature around 61°F16°C, chance of rain 2%, wind out of the WNW 9 mph14 km/h. Barometric pressure 29.97 in1015 mb, visibility 6 mi10 km, humidity 34%. |
| Fri, 21st Lo: 16°C61°F Hi: 30°C86°F |
Sunny Friday, temperatures as high as 86°F30°C, low temperature around 61°F16°C, chance of rain 1%, wind out of the S 12 mph19 km/h. Barometric pressure 30.03 in1017 mb, visibility 6 mi10 km, humidity 37%. |
| Sat, 22nd Lo: 17°C63°F Hi: 31°C87°F |
Overcast Saturday, temperatures as high as 87°F31°C, low temperature around 63°F17°C, chance of rain 17%, wind out of the S 12 mph19 km/h. Barometric pressure 29.97 in1015 mb, visibility 6 mi10 km, humidity 50%. |
| Sun, 23rd Lo: 17°C63°F Hi: 31°C88°F |
Sunny Sunday, temperatures as high as 88°F31°C, low temperature around 63°F17°C, chance of rain 3%, wind out of the NW 16 mph26 km/h. Barometric pressure 29.91 in1013 mb, visibility 6 mi10 km, humidity 39%. |
| Mon, 24th Lo: 16°C60°F Hi: 28°C83°F |
Sunny Monday, temperatures as high as 83°F28°C, low temperature around 60°F16°C, chance of rain 3%, wind out of the N 11 mph17 km/h. Barometric pressure 30.06 in1018 mb, visibility 6 mi10 km, humidity 34%. |
| Tue, 25th Lo: 15°C59°F Hi: 29°C83°F |
Sunny Tuesday, temperatures as high as 83°F29°C, low temperature around 59°F15°C, chance of rain 3%, wind out of the S 10 mph16 km/h. Barometric pressure 30.09 in1019 mb, visibility 6 mi10 km, humidity 32%. |
| Wed, 26th Lo: 11°C52°F Hi: 23°C73°F |
Sunny Wednesday, temperatures as high as 73°F23°C, low temperature around 52°F11°C, chance of rain 3%, wind out of the E 10 mph17 km/h. Barometric pressure 30.21 in1023 mb, visibility 6 mi10 km, humidity 53%. |
| Thu, 27th Lo: 10°C50°F Hi: 23°C73°F |
Sunny Thursday, temperatures as high as 73°F23°C, low temperature around 50°F10°C, chance of rain 7%, wind out of the SE 11 mph17 km/h. Barometric pressure 30.15 in1021 mb, visibility 6 mi10 km, humidity 62%. |
| Fri, 28th Lo: 14°C57°F Hi: 26°C79°F |
Overcast Friday, temperatures as high as 79°F26°C, low temperature around 57°F14°C, chance of rain 8%, wind out of the S 11 mph17 km/h. Barometric pressure 30.03 in1017 mb, visibility 6 mi10 km, humidity 55%. |
| Sat, 29th Lo: 14°C57°F Hi: 27°C81°F |
Sunny Saturday, temperatures as high as 81°F27°C, low temperature around 57°F14°C, chance of rain 71%, wind out of the SW 10 mph16 km/h. Barometric pressure 30 in1016 mb, visibility 6 mi10 km, humidity 72%. |
| Sun, 30th Lo: 13°C55°F Hi: 24°C75°F |
Overcast Sunday, temperatures as high as 75°F24°C, low temperature around 55°F13°C, chance of rain 78%, wind out of the S 13 mph20 km/h. Barometric pressure 29.97 in1015 mb, visibility 6 mi9 km, humidity 72%. |
| Mon, 31st Lo: 11°C51°F Hi: 13°C55°F |
Overcast Monday, temperatures as high as 55°F13°C, low temperature around 51°F11°C, chance of rain 62%, wind out of the SSE 13 mph21 km/h. Barometric pressure 30 in1016 mb, visibility 3 mi5 km, humidity 96%. |
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