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Missouri · 2026 Regular Session · Bill

SB 860: Creates provisions relating to weather modification

In committee Official data

  1. Introduced
  2. In committee
  3. Passed one chamber
  4. Passed both chambers
  5. Enacted

Last official action: ·Record last updated:

Plain-language summary

SB 860 is a bill introduced in the Missouri Senate on December 1, 2025. According to its official title, it concerns: Creates provisions relating to weather modification. Primary sponsor: Mike Moon (Republican). It lists 1 additional sponsor. Most recent recorded action (April 23, 2026): SCS Voted Do Pass S Agriculture, Food Production and Outdoor Resources Committee (4680S.05C).

Generated automatically from the official title, sponsor list, and status record only. It does not characterize the bill’s purpose or effects. How summaries are written

Official summary

Abstract published by the legislature (via Open States). Text as published by the legislature; reproduced verbatim.

SCS/SB 860 - The act creates provisions relating to weather modification. Under the act, it shall be unlawful to use any form of weather modification, as defined in the act, in the state. Any individual or entity knowingly deploying chemicals into the atmosphere shall disclose the contents of the chemicals to the Department of Natural Resources in a format determined by the Department. Any individual or entity deploying chemicals into the atmosphere shall post a bond in the amount of $25,000,000 to cover damages, if any, to the environment caused by the deployment of such chemicals. Any individual may report instances of weather modification to the Department. The Department shall create procedures to investigate reports to determine whether weather modification occurred. If the Department finds that weather modification occurred, the Department shall commence a civil action. If the court finds that a violation occurred, the court may grant relief as described in the act. The Department shall report any known weather modification instances to the Administrator of the National Oceanic and Atmospheric Administration pursuant to federal regulations. The act shall not preclude the use of pesticides for farming or ranching purposes. JULIA SHEVELEVA

Sponsors

Sponsors by party (alphabetical): Republican 2

NameRolePartyChamberDistrict
Mike MoonPrimary sponsorRepublicanSenate29
Nick SchroerCo-sponsorRepublicanSenate2

“Support” is shown only as formal sponsorship recorded by the legislature. Roll-call votes are available on the official bill page.

Recent official actions

  1. SCS Voted Do Pass S Agriculture, Food Production and Outdoor Resources Committee (4680S.05C)
  2. Hearing Conducted S Agriculture, Food Production and Outdoor Resources Committee
  3. Second Read and Referred S Agriculture, Food Production and Outdoor Resources Committee
  4. S First Read
  5. Prefiled

Sources

  1. Open States / Plural (data from the official legislature website)
  2. Official legislature source