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Summit Reservoir, SD Weather Forecast
Summit Reservoir, SD Weather Forecast Dated: 734 AM Mon Aug 17 2026 (Summit Reservoir Time)
Mon, 17th Lo: 6°C43°F Hi: 32°C90°F |
Overcast Monday, temperatures as high as 90°F32°C, low temperature around 43°F6°C, chance of rain 13%, wind out of the W 22 mph36 km/h. Barometric pressure 29.8 in1009 mb, visibility 6 mi10 km, humidity 73%. |
| Tue, 18th Lo: 4°C39°F Hi: 6°C43°F |
Overcast Tuesday, temperatures as high as 43°F6°C, low temperature around 39°F4°C, chance of rain 81%, wind out of the SE 28 mph44 km/h. Barometric pressure 29.91 in1013 mb, visibility 6 mi9 km, humidity 78%. |
Wed, 19th Lo: 4°C38°F Hi: 5°C41°F |
Chance of showers Wednesday, temperatures as high as 41°F5°C, low temperature around 38°F4°C, chance of rain 68%, wind out of the SSE 22 mph36 km/h. Barometric pressure 30.24 in1024 mb, visibility 6 mi9 km, humidity 69%. |
| Thu, 20th Lo: 5°C41°F Hi: 6°C43°F |
Chance of showers Thursday, temperatures as high as 43°F6°C, low temperature around 41°F5°C, chance of rain 68%, wind out of the E 26 mph42 km/h. Barometric pressure 30.45 in1031 mb, visibility 6 mi10 km, humidity 72%. |
| Fri, 21st Lo: 5°C42°F Hi: 7°C44°F |
Light rain shower Friday, temperatures as high as 44°F7°C, low temperature around 42°F5°C, chance of rain 92%, wind out of the E 29 mph47 km/h. Barometric pressure 30.09 in1019 mb, visibility 6 mi10 km, humidity 91%. |
| Sat, 22nd Lo: 7°C44°F Hi: 8°C47°F |
Chance of showers Saturday, temperatures as high as 47°F8°C, low temperature around 44°F7°C, chance of rain 68%, wind out of the ENE 23 mph36 km/h. Barometric pressure 29.85 in1011 mb, visibility 6 mi10 km, humidity 95%. |
| Sun, 23rd Lo: 6°C43°F Hi: 10°C49°F |
Chance of showers Sunday, temperatures as high as 49°F10°C, low temperature around 43°F6°C, chance of rain 89%, wind out of the NNE 31 mph50 km/h. Barometric pressure 29.5 in999 mb, visibility 6 mi10 km, humidity 91%. |
| Mon, 24th Lo: 6°C43°F Hi: 7°C45°F |
Chance of showers Monday, temperatures as high as 45°F7°C, low temperature around 43°F6°C, chance of rain 56%, wind out of the NNW 24 mph39 km/h. Barometric pressure 29.32 in993 mb, visibility 6 mi10 km, humidity 82%. |
| Tue, 25th Lo: 5°C41°F Hi: 7°C44°F |
Chance of showers Tuesday, temperatures as high as 44°F7°C, low temperature around 41°F5°C, chance of rain 64%, wind out of the WSW 29 mph46 km/h. Barometric pressure 29.41 in996 mb, visibility 6 mi10 km, humidity 81%. |
| Wed, 26th Lo: 4°C38°F Hi: 6°C42°F |
Chance of showers Wednesday, temperatures as high as 42°F6°C, low temperature around 38°F4°C, chance of rain 68%, wind out of the WSW 26 mph41 km/h. Barometric pressure 29.59 in1002 mb, visibility 6 mi9 km, humidity 69%. |
| Thu, 27th Lo: 4°C40°F Hi: 5°C42°F |
Chance of showers Thursday, temperatures as high as 42°F5°C, low temperature around 40°F4°C, chance of rain 61%, wind out of the WSW 28 mph45 km/h. Barometric pressure 29.65 in1004 mb, visibility 6 mi10 km, humidity 70%. |
| Fri, 28th Lo: 4°C39°F Hi: 5°C41°F |
Chance of showers Friday, temperatures as high as 41°F5°C, low temperature around 39°F4°C, chance of rain 57%, wind out of the WSW 34 mph54 km/h. Barometric pressure 29.59 in1002 mb, visibility 6 mi9 km, humidity 63%. |
| Sat, 29th Lo: 4°C38°F Hi: 6°C43°F |
Chance of showers Saturday, temperatures as high as 43°F6°C, low temperature around 38°F4°C, chance of rain 67%, wind out of the SW 32 mph52 km/h. Barometric pressure 30 in1016 mb, visibility 4 mi7 km, humidity 66%. |
| Sun, 30th Lo: 6°C43°F Hi: 7°C45°F |
Chance of showers Sunday, temperatures as high as 45°F7°C, low temperature around 43°F6°C, chance of rain 51%, wind out of the W 23 mph37 km/h. Barometric pressure 30.18 in1022 mb, visibility 6 mi10 km, humidity 80%. |
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