Under The Big Sky Festival 2025 Schedule. It’s under the big sky festival in whitefish, montana, and it’s returning july 18th, 19th, and 20th of 2025 for another big time in big sky country. The festival will be held at the expansive outdoor venue in big sky, montana, offering.

The official 2025 dates have now been confirmed, with the much. 14 — a saturday and one of the busiest nights of the festival of lights — traffic had backed up for more than a mile onto the harper road exit from.