# Illinois SB1426: WEATHER MODIFICATION-SEEDING

Illinois SB1426, WEATHER MODIFICATION-SEEDING, is a 104th General Assembly (2025–2026) Senate bill sponsored by Neil Anderson (Republican); status in committee, last action 2025-03-13 (Added as Co-Sponsor Sen. Andrew S. Chesney) (as of 2026-11-01).

- Canonical: https://policyrisk.com/state-bill/IL-SB1426-2025-2026
- As of: 2026-11-01
- Plain-text twin of the page above; the HTML and this file carry the same facts.

## Facts
- Bill: Illinois SB1426
- State: Illinois
- Session: 104th General Assembly (2025–2026)
- Title: WEATHER MODIFICATION-SEEDING
- Status: in committee
- Chamber: Senate
- Introduced: 2025-01-31
- Last action: 2025-03-13, Added as Co-Sponsor Sen. Andrew S. Chesney
- Sponsor: Neil Anderson (Republican)
- Cosponsors: 1
- Subjects: assignments
- Touches household money: no
- Economic provisions PRIA read: 0

## Summary

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 overview

No economic impacts identified for this bill.

## Sponsors and cosponsors

- Sponsor: Neil Anderson (Republican), Senate
- Cosponsor: Andrew S. Chesney (Republican), Senate

## Actions (4)

- 2025-03-13: Added as Co-Sponsor Sen. Andrew S. Chesney (Senate)
- 2025-01-31: Referred to Assignments (Senate)
- 2025-01-31: First Reading (Senate)
- 2025-01-31: Filed with Secretary by Sen. Neil Anderson (Senate)

## Bill text

- Introduced: [PDF](https://www.ilga.gov/documents/legislation/104/SB/PDF/10400SB1426.pdf)

## Related bills

- HB5198: AFFORDABLE HOUSING-CILAS (passed house)
- SB1937: PENSION CODE-VARIOUS (passed senate)
- HB2563: CONDO-RESERVE STUDY (in committee)
- HB4701: LIMITATIONS FACILITY FEES ACT (in committee)
- SB3008: DHS-ABLE PROGRAM INFO MATERIAL (passed senate)
- SB3484: VEH CD-PLATES-REGISTRATION (signed)

## Sources
- [Introduced (PDF)](https://www.ilga.gov/documents/legislation/104/SB/PDF/10400SB1426.pdf)

## Related
- [HB5198: AFFORDABLE HOUSING-CILAS](https://policyrisk.com/state-bill/IL-HB5198-2025-2026)
- [SB1937: PENSION CODE-VARIOUS](https://policyrisk.com/state-bill/IL-SB1937-2025-2026)
- [HB2563: CONDO-RESERVE STUDY](https://policyrisk.com/state-bill/IL-HB2563-2025-2026)
- [HB4701: LIMITATIONS FACILITY FEES ACT](https://policyrisk.com/state-bill/IL-HB4701-2025-2026)
- [SB3008: DHS-ABLE PROGRAM INFO MATERIAL](https://policyrisk.com/state-bill/IL-SB3008-2025-2026)
- [SB3484: VEH CD-PLATES-REGISTRATION](https://policyrisk.com/state-bill/IL-SB3484-2025-2026)
- [Illinois bills](https://policyrisk.com/states/illinois/bills)
- [Illinois state hub](https://policyrisk.com/states/illinois)
- [All state legislation](https://policyrisk.com/state-bills)

Source: PRIA, https://policyrisk.com/state-bill/IL-SB1426-2025-2026 (as of 2026-11-01).