Slinky Dog Dash is in Toy Story Land at Disney's Hollywood Studios. Since it's an outdoor attraction, it shuts down in heavy rain and if there's severe weather or lightning in the area. Much of the queue is exposed to the elements, and even the portion of the queue that's covered isn't enclosed. And it can get HOT.

Slinky Dog Dash, located in Toy Story Land at Disney’s Hollywood Studios, is one of the most frequent "temporary closures" in the park primarily due to Florida weather and high-tech safety sensors. Because it is an outdoor roller coaster with a high-profile steel track, it must close immediately if there is lightning within a 10-mile radius of the park—a very common occurrence during Orlando's summer afternoons. Even if it isn't raining, the threat of an electrical storm is enough to trigger a shutdown for the safety of both guests and cast members. Additionally, the ride uses a sophisticated "Multi-Launch" system with magnetic LSMs (Linear Synchronous Motors) that are sensitive to heat and moisture; if the sensors detect any technical "fault" in the launch timing or the braking zones, the system will "reset," causing a 20–40 minute downtime. Finally, as a "top-tier" attraction, it undergoes rigorous preventative maintenance; in early 2026, Disney has been proactive about "cycling" the ride out of service for mid-day cleanings or minor mechanical adjustments to ensure the ride can handle the 80–100 minute queues that persist year-round.