SB 860 Missouri Senate · 2026 Regular Session

Creates provisions relating to weather modification

SB 860, titled "Creates provisions relating to weather modification," has been prefiled and referred to the Agriculture Committee but lacks specific policy details in the provided context. The bill's official abstract does not describe concrete mechanisms, affected parties, or policy changes. Without additional information on its provisions (e.g., cloud seeding regulations, funding, or oversight), a substantive summary cannot be generated. This appears to be a procedural filing at an early stage, with no voting record or enacted provisions documented.
Bill status in committee 1 of 4 stages cleared
Introduction
Dec 2025
Committee Review
Floor Vote
Governor
Introduced Dec 1, 2025 Last action Apr 23, 2026
Maddy AI version diff · 1 comparison

What changed between versions

4680S.02I - Introduced Senate Committee Substitute - Committee Version · 3 edits
MINOR
The bill was revised from a standalone repeal and replacement of existing laws into an amendment that adds a new section to Chapter 640. While the core definitions and prohibitions regarding weather modification remain largely the same, the committee version removed the requirement for the Air Conservation Commission to include a specific member knowledgeable in weather modification and streamlined the formatting of the new statute.
Scope change
The bill's scope shifted from completely replacing sections 643.040 and 644.021 to amending Chapter 640 by adding a single new section (640.870), leaving the rest of the chapter intact.
SCOPE

The legislative approach changed from repealing and re-enacting specific sections to amending Chapter 640 by adding one new section.

REQUIREMENT

The requirement for the Air Conservation Commission to include at least one member specifically knowledgeable in weather modification was removed.

TECHNICAL

Formatting and structural elements were updated, including changing the bill title from 'Introduced' to 'Senate Committee Substitute' and adjusting the explanatory notes.

Floor votes

How they voted

No floor votes recorded yet.
Full legislative history

Actions timeline

Total actions
5
Key actions
2
Committee
2
Apr 23, 2026
Upper · Passed
SCS Voted Do Pass S Agriculture, Food Production and Outdoor Resources Committee (4680S.05C)
upper
Feb 5, 2026
Upper · Passed
Hearing Conducted S Agriculture, Food Production and Outdoor Resources Committee
upper
Dec 1, 2025
Introduced
Prefiled
upper
1 primary · 1 co-sponsor

Sponsors