Environment; prohibiting intentional injection, release, or dispersion of chemicals, chemical compounds, substances, or apparatus in this state; repealing the Oklahoma Weather Modification Act. Effective date.

SB 430 bans the intentional release of chemicals, substances, or devices into Oklahoma's atmosphere with the purpose of altering weather, temperature, or sunlight. It directly affects anyone conducting weather modification activities within the state, including cloud-seeding operations or similar efforts. The bill establishes a misdemeanor penalty of up to $10,000 for violations and repeals all existing Oklahoma laws related to weather modification (specifically 82 O.S. 2021 sections 1087.1-1087.20 and 1801.1-1801.4). The law takes effect on November 1, 2025.