The Great Prosser Balloon Rally
Location: Prosser Airport and Downtown Prosser
Address: 111 Nunn Rd Prosser WA 99350
Website: Event Link
Date: September 25, 2026 to September 27, 2026
Price: Free
The Great Prosser Balloon Rally is an annual event and provides a weekend full of hot air balloons and fun for the entire family. Weather permitting, the balloons are set to launch at sunrise from the Prosser Washington Airport on each day of the event. Additional activities include Night Glow, Harvest Festival, Farmers Market, and Caren Mercer-Andreason Street Painting Festival.