The winning Wisconsin Pick 4 numbers for August 15, 2021 were: midday 1-0-5-3; evening 5-8-8-8.
Sum is the digits added together (5+5+0 = 10). Root sum keeps adding until one digit is left (10 → 1+0 = 1) — many regular players track it in their notebooks. Odd/Even marks each digit O or E (5-5-0 = OOE). High/Low marks 0–4 as L and 5–9 as H (5-5-0 = HHL).
Sum is the digits added together (5+5+0 = 10). Root sum keeps adding until one digit is left (10 → 1+0 = 1) — many regular players track it in their notebooks. Odd/Even marks each digit O or E (5-5-0 = OOE). High/Low marks 0–4 as L and 5–9 as H (5-5-0 = HHL).
| Date | Draw | Numbers | Sum | Root |
|---|---|---|---|---|
| Aug 15, 2021 | Evening | 5-8-8-8 | 29 | 2 |
| Aug 15, 2021 | Midday | 1-0-5-3 | 9 | 9 |
| Aug 14, 2021 | Evening | 3-0-2-6 | 11 | 2 |
| Aug 14, 2021 | Midday | 9-4-0-5 | 18 | 9 |
| Aug 13, 2021 | Evening | 4-0-7-9 | 20 | 2 |
| Aug 13, 2021 | Midday | 5-2-0-7 | 14 | 5 |
| Aug 12, 2021 | Evening | 6-9-2-6 | 23 | 5 |
| Aug 12, 2021 | Midday | 0-0-7-8 | 15 | 6 |
| Aug 11, 2021 | Evening | 7-6-9-9 | 31 | 4 |
| Aug 11, 2021 | Midday | 9-9-8-1 | 27 | 9 |
| Aug 10, 2021 | Evening | 7-0-9-0 | 16 | 7 |
| Aug 10, 2021 | Midday | 4-6-9-7 | 26 | 8 |
| Aug 9, 2021 | Evening | 6-3-5-1 | 15 | 6 |
| Aug 9, 2021 | Midday | 9-5-1-3 | 18 | 9 |