Rollercoasters are also very sensitive to extreme weather, becoming a liability in high winds and heavy rain, causing closures with concerns of wind affecting the acceleration and deceleration of the trains and rain affecting braking effectiveness and sensors malfunctions.

Wind is one of the most significant environmental factors in roller coaster operations, primarily affecting train velocity and safety sensors. High winds can create enough drag to slow a train down, potentially causing a "valley"—where the train stops between two hills because it lacks the momentum to clear the next peak. To prevent this, coasters are equipped with anemometers (wind speed sensors) that automatically trigger a "wind delay" or shutdown if gusts exceed a certain threshold, typically around 30 to 45 mph. Crosswinds can also put lateral stress on the track and support structures, while headwind and tailwind variations can cause the computer-controlled braking systems to detect timing errors. In 2026, advanced simulations allow engineers to adjust "trim brakes" in real-time to compensate for moderate wind, but for high-profile rides like Kingda Ka or Top Thrill 2, even a minor sustained wind from the wrong direction can result in a temporary closure for guest safety.