Yes, civilians can absolutely launch weather balloons, but they must comply with strict aviation regulations to ensure they do not pose a hazard to commercial or private aircraft. In the United States, the FAA (Federal Aviation Administration) governs these launches under "Part 101" regulations. If the balloon and its payload (often a camera or sensors) weigh less than a specific limit (usually 4 lbs or 6 lbs total depending on the configuration), you generally do not need a permit, but you are still required to notify the nearest Air Traffic Control tower of the launch time and location. For larger or more complex "high-altitude balloons," a formal filing of a "Notice to Airmen" (NOTAM) is required. In 2026, civilian "near-space" exploration has become a popular hobby for schools and amateur scientists who use these balloons to capture photos of the Earth's curvature. Safety is paramount; you must never launch near a major airport or in a restricted flight corridor, and the payload must be equipped with a parachute to ensure it lands safely without injuring people or property on the ground.