Current conditions and the National Weather Service 7-day forecast for Sinai, South Dakota — temperature, rain chance, wind, radar and active alerts.
Saturday Aug 29 night: a low around 68°F. Sunday Aug 30: a high near 89°F and a low around 68°F. The wettest day looks like Sunday Aug 30, near 0.03 in. Highs over the period run 82°F to 89°F.
| Day | High | Low | Precip |
|---|---|---|---|
| Saturday Aug 29 | — | 68° | — |
| Sunday Aug 30 | 89° | 68° | 0.03 in |
| Monday Aug 31 | 84° | 65° | — |
| Tuesday Sep 1 | 82° | 63° | — |
| Wednesday Sep 2 | 83° | 65° | — |
| Thursday Sep 3 | 84° | 64° | — |
| Friday Sep 4 | 85° | 66° | — |
| Saturday Sep 5 | 84° | — | — |