Great Prosser
Balloon Rally
2025 Great Prosser Balloon Rally About This Event
2025 marks the 36th annual Great Prosser Balloon Rally, with hot air balloon pilots from all over the Northwest converging on Prosser to take to the skies in their colorful craft. The Rally is always the 4th full weekend in September and is our most popular event, so mark your calendars and plan ahead!
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Morning Launch
Weather permitting, the balloons will launch from the Prosser airport early each morning Friday is Journalist Day, Saturday is Sponsor Day and Sunday is a fun day. Spectators are permitted on the launch field to observe the process and are encouraged to arrive by 6:30am.
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Flight Path
Hot Air Balloons go where the wind takes them, so their path is unpredictable. With the right weather conditions flight time is usually around an hour, and once in the air they can go north, south, east or west! You can follow along on their flight in your car for some fabulous photo opportunities!
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Evening Night Glow
Saturday evening select balloons can be found at Art Fiker Stadium for the Night Glow. Weather permitting, after dark the pilots stand up the balloons, turn off the lights, and GLOW. No flying is involved in the Night Glow.
Annually between 20 and 30 pilots participate in the Great Prosser Balloon Rally. More information about the event and participation can be found at: prosserballoonrally.org
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When
September 26 - 28, 2025
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Where
Balloons launch from the Prosser airport early each morning (arrive around 6:15 a.m. to see the pilots prepare the balloons).
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Cost
Parking and admission are free