Moon · August 2026
Moon calendar for Sioux Falls, South Dakota, United States: August 2026
Daily moon phases, illumination, moonrise and moonset in Sioux Falls, South Dakota, United States for August 2026. Full moon: August 28, 2026. All times are shown in the local time of Sioux Falls, South Dakota, United States.
Full moonFriday, August 28, 2026, 2:00 AM
New moonWednesday, August 12, 2026, 10:40 AM
| Day | Phase | Illumination | Moonrise | Moonset |
|---|---|---|---|---|
| 1 | Waning Gibbous | 91% | 9:49 PM | 9:39 AM |
| 2 | Waning Gibbous | 84% | 10:18 PM | 10:43 AM |
| 3 | Waning Gibbous | 75% | 10:27 PM | 12:08 PM |
| 4 | Waning Gibbous | 65% | 10:55 PM | 1:31 PM |
| 5 | Last Quarter | 53% | 11:33 PM | 2:30 PM |
| 6 | Last Quarter | 42% | — | 4:03 PM |
| 7 | Waning Crescent | 30% | 12:07 AM | 5:31 PM |
| 8 | Waning Crescent | 20% | 12:44 AM | 6:26 PM |
| 9 | Waning Crescent | 12% | 1:53 AM | 7:35 PM |
| 10 | Waning Crescent | 5% | 3:23 AM | 8:14 PM |
| 11 | Waning Crescent | 1% | 4:25 AM | 8:34 PM |
| 12 | New Moon | 0% | 5:50 AM | 9:22 PM |
| 13 | Waxing Crescent | 1% | 7:22 AM | 9:35 PM |
| 14 | Waxing Crescent | 5% | 8:24 AM | 9:46 PM |
| 15 | Waxing Crescent | 11% | 9:38 AM | 10:15 PM |
| 16 | Waxing Crescent | 19% | 10:35 AM | 10:25 PM |
| 17 | Waxing Crescent | 27% | 11:51 AM | 10:47 PM |
| 18 | Waxing Crescent | 37% | 1:03 PM | 11:30 PM |
| 19 | First Quarter | 46% | 2:11 PM | 11:46 PM |
| 20 | First Quarter | 56% | 3:16 PM | — |
| 21 | Waxing Gibbous | 65% | 4:12 PM | 12:24 AM |
| 22 | Waxing Gibbous | 74% | 4:58 PM | 1:25 AM |
| 23 | Waxing Gibbous | 81% | 5:41 PM | 2:10 AM |
| 24 | Waxing Gibbous | 88% | 6:20 PM | 3:15 AM |
| 25 | Waxing Gibbous | 94% | 6:38 PM | 4:13 AM |
| 26 | Waxing Gibbous | 98% | 7:26 PM | 5:27 AM |
| 27 | Full Moon | 100% | 7:38 PM | 6:21 AM |
| 28 | Full Moon | 100% | 7:55 PM | 7:34 AM |
| 29 | Waning Gibbous | 98% | 8:20 PM | 8:27 AM |
| 30 | Waning Gibbous | 93% | 8:28 PM | 9:44 AM |
| 31 | Waning Gibbous | 87% | 8:59 PM | 11:06 AM |
Another city or date
Frequently asked questions
When is the full moon in August 2026 in Sioux Falls, South Dakota, United States?
The full moon peaks on Friday, August 28, 2026, 2:00 AM (local time).
When is the new moon in August 2026?
The new moon falls on Wednesday, August 12, 2026, 10:40 AM (local time) — the darkest nights of the month, best for stargazing.
Data: Meeus astronomical algorithms. How we calculate this
More for Sioux Falls, South Dakota, United States
Near Sioux Falls
- Sioux City, Iowa, United States
- Omaha, Nebraska, United States
- St. Cloud, Minnesota, United States
- Lincoln, Nebraska, United States
- Ames, Iowa, United States
- Pierre, South Dakota, United States
- Bloomington, Minnesota, United States
- Minneapolis, Minnesota, United States
- Grand Island, Nebraska, United States
- Saint Paul, Minnesota, United States
- Des Moines, Iowa, United States
- Rochester, Minnesota, United States