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Bill

HB 1181

prohibit weather and climate modification activities and provide a penalty therefor.

2026 Regular Session Introduced by Bobbi Andera and 6 co-sponsors

South Dakota bill to ban weather and climate modification activities with penalties, introduced then withdrawn by sponsor in February 2026.

Withdrawn at the Request of the Prime Sponsor , Passed, H.J. 192
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Bill Summary · HB 1181

Legislative bill overview

HB 1181 proposes to prohibit weather and climate modification activities in South Dakota and establish penalties for violations. The bill was introduced in early 2026 but was withdrawn by its prime sponsor on February 2, 2026, after initial House Judiciary referral.

Why this is important

Weather modification has legitimate scientific applications (cloud seeding for drought relief, hail suppression), but blanket prohibitions could restrict potentially beneficial technologies while reflecting broader concerns about environmental manipulation and unregulated geoengineering. The bill's withdrawal suggests sponsors encountered definitional, enforceability, or constituent feedback challenges during the legislative process.

Potential points of contention

  • Definitional ambiguity: The bill would need to clearly distinguish between prohibited "weather modification" and legitimate agricultural practices (irrigation), scientific research, and existing cloud-seeding operations already operating in some states
  • Economic and agricultural impacts: Farmers and agricultural interests may oppose restrictions on cloud seeding for hail suppression or drought mitigation, creating conflict with environmental concerns
  • Enforceability and jurisdiction: Establishing how South Dakota would detect, investigate, and prosecute weather modification activities—especially those originating outside state borders—presents practical legal challenges

Compiled from official sources — confirm details with the bill’s official record.

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