Current conditions and the National Weather Service 7-day forecast for Big Sky, Montana — temperature, rain chance, wind, radar and active alerts.
Saturday Aug 29 night: a low around 42°F. Sunday Aug 30: a high near 56°F and a low around 38°F. The wettest day looks like Sunday Aug 30, near 0.13 in. Highs over the period run 56°F to 68°F.
| Day | High | Low | Precip |
|---|---|---|---|
| Saturday Aug 29 | — | 42° | 0.07 in |
| Sunday Aug 30 | 56° | 38° | 0.13 in |
| Monday Aug 31 | 67° | 44° | — |
| Tuesday Sep 1 | 68° | 45° | — |
| Wednesday Sep 2 | 64° | 43° | — |
| Thursday Sep 3 | 64° | 42° | — |
| Friday Sep 4 | 64° | 44° | — |
| Saturday Sep 5 | 64° | — | — |