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Introduced
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Illinois : 2025-2026 Regular Session : BILL  SB1426

WEATHER MODIFICATION-SEEDING

Sponsor: Sen Neil Anderson & Sen Andrew Chesney

Bill Details

Creates the Weather Modification Act. Provides that any form of weather modification shall not be allowed in the State, including the seeding of clouds by plane or ground. Defines "seeding" as a type of weather modification that aims to change the amount or type of precipitation that falls from clouds. Effective immediately.

Bill summary (AI generated) 

• Creation of a New Act: SB1426 creates a new piece of legislation that may be cited as the Weather Modification Act.
• Total Prohibition: The central provision of the bill is that any form of weather modification shall not be allowed in the State of Illinois.
• Specific Activities Banned: The prohibition explicitly includes the seeding of clouds by plane or ground.
• Definition of Seeding: The bill defines "seeding" as a type of weather modification that aims to change the amount or type of precipitation that falls from clouds.
• Effective Date: The Act is designated to take effect immediately upon becoming law.
The synopsis of the bill states that its purpose is to create the Weather Modification Act, providing that any form of weather modification is prohibited in the State, including cloud seeding. This proposed bill is highly similar to two previous bills, SB0134 and SB3095, introduced by Senator Neil Anderson in the 2023-2024 session, which have since expired (Sine die).

History

The bill was filed on 31 January 2025 by Senator Neil Anderson and had its first reading on the same day, which is when it is initially introduced for consideration. It was subsequently referred to the Assignments Committee, and Senator Andrew S. Chesney was added as a co-sponsor on 13 March 2025. Currently, the bill is still active and will need to progress through further committee reviews and potential votes in order to move closer to becoming law. The immediate next step involves awaiting further actions or discussions within the committees it has been assigned to.
  • Fri 31 Jan 2025 Filed with Secretary by Sen. Neil Anderson
  • Fri 31 Jan 2025 First Reading
  • Fri 31 Jan 2025 Referred to Assignments
  • Thu 13 Mar 2025 Added as Co-Sponsor Sen. Andrew S. Chesney

Bill text (Transcribed)

Illinois : 2025-2026 Regular Session : BILL SB1426
WEATHER MODIFICATION-SEEDING


104TH GENERAL ASSEMBLY
State of Illinois
2025 and 2026
SB1426

Introduced 1/31/2025, by Sen. Neil Anderson

SYNOPSIS AS INTRODUCED:

New Act
Creates the Weather Modification Act. Provides that any form of weather modification shall not be allowed in the State, including the seeding of clouds by plane or ground. Defines "seeding" as a type of weather modification that aims to change the amount or type of precipitation that falls from clouds. Effective immediately.

AN ACT concerning regulation.

Be it enacted by the People of the State of Illinois, represented in the General Assembly:

Section 1. Short title. This Act may be cited as the Weather Modification Act.

Section 5. Prohibition on weather modification. Any form of weather modification shall not be allowed in this State, including the seeding of clouds by plane or ground. As used in this Section, "seeding" means a type of weather modification that aims to change the amount or type of precipitation that falls from clouds.

Section 99. Effective date. This Act takes effect upon becoming law.
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