MT SB 473

dead

Prohibit weather modification.

Montana · 2025 Regular Session (69th Legislature) · upper

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Quick answers

Did MT SB 473 pass?

No. MT SB 473 did not pass — it was defeated or died in the legislative process. Latest recorded action (2025-05-23): (S) Died in Process

What is MT SB 473 about?

MT SB 473 is a bill in the 2025 Regular Session (69th Legislature) titled “Prohibit weather modification.”.

Who sponsors MT SB 473?

Bob Phalen is the primary sponsor of MT SB 473.

Introduced: —
Latest action: 2025-05-23 — (S) Died in Process
Bill type: bill
Last updated: —

Subjects

Transportation

Committees

Not provided by source.

Action timeline

Newest first

2025-05-23
(S) Died in Process
failure
2025-04-10
(H) 2nd Reading Not Concurred
reading-2,reading-2
2025-04-10
(H) Scheduled for 2nd Reading
reading-2
2025-04-08
(H) Committee Report--Bill Concurred as Amended - (H) Natural Resources
2025-04-07
(H) Committee Executive Action--Bill Concurred as Amended - (H) Natural Resources
2025-03-24
(H) Hearing - (H) Natural Resources
2025-03-17
(H) First Reading
reading-1
2025-03-17
(H) Referred to Committee - (H) Natural Resources
referral-committee
2025-03-07
(S) Transmitted to House
2025-03-07
(S) 3rd Reading Passed
passage,reading-3
2025-03-07
(S) Scheduled for 3rd Reading
reading-3
2025-03-06
(S) 2nd Reading Passed
reading-2,reading-2
2025-03-06
(S) Scheduled for 2nd Reading
reading-2
2025-03-06
(S) Reconsidered Previous Action; Placed on 2nd Reading
reading-2,reading-2
2025-03-05
(S) 2nd Reading Indefinitely Postponed
reading-2,reading-2
2025-03-05
(S) 2nd Reading Pass Motion Failed
failure,reading-2,reading-2
2025-03-05
(S) 2nd Reading Motion to Amend Carried
reading-2
2025-03-05
(S) Scheduled for 2nd Reading
reading-2
2025-03-04
(S) Committee Report--Bill Passed - (S) Natural Resources
committee-passage
2025-03-04
(S) Committee Executive Action--Bill Passed - (S) Natural Resources
committee-passage
2025-02-28
(S) Hearing - (S) Natural Resources
2025-02-26
(S) Referred to Committee - (S) Natural Resources
referral-committee
2025-02-25
(S) First Reading
reading-1
2025-02-25
(S) Introduced
2025-02-24
(LC) Draft Delivered to Requester
2025-02-24
(LC) Draft Ready for Delivery
2025-02-24
(LC) Draft in Assembly
2025-02-24
(LC) Draft in Final Drafter Review
2025-02-23
(LC) Draft in Input/Proofing
2025-02-20
(LC) Draft in Edit
2025-02-19
(LC) Draft in Legal Review
2024-11-17
(LC) Drafter Assigned

Versions

LC1601.pdfCompare
SB0473.001.005_Amendments-in-Context_final-full.pdfCompare
SB0473.001.003_Amendments-in-Context_final-not condensed.pdfCompare
SB0473.001.003_Amendments-in-Context_final-full.pdfCompare
SB0473.001.001_Amendments-in-Context_final-full.pdfCompare
SB0473_2.pdfCompare
SB0473_2(4).pdfCompare
SB0473_2(3).pdfCompare
SB0473_2(2).pdfCompare
SB0473_2(1).pdfCompare
SB0473_1.pdfCompare
SB0473_1(7).pdfCompare
SB0473_1(6).pdfCompare
SB0473_1(5).pdfCompare
SB0473_1(4).pdfCompare
SB0473_1(3).pdfCompare
SB0473_1(2).pdfCompare
SB0473_1(1).pdfCompare

Documents

Votes

do_pass
2025-03-04 · pass · 9-2
Member-level votes (11)
- Mike Cuffe: yes
- Shane Morigeau: yes
- Bruce "Butch" Gillespie: yes
- Derek Harvey: yes
- Mark Noland: yes
- Willis Curdy: no
- Barry Usher: yes
- Daniel Zolnikov: yes
- Pat Flowers: no
- Sue Vinton: yes
- Wylie Galt: yes
AMD-SB0473.001.001 Usher D/PASS
2025-03-05 · pass · 30-20
Member-level votes (50)
- Tom McGillvray: yes
- Carl Glimm: yes
- Andrea Olsen: no
- Mark Noland: yes
- Greg Hertz: yes
- Mary Ann Dunwell: no
- Denley Loge: yes
- Janet Ellis: yes
- Denise Hayman: no
- Jeremy Trebas: no
- Forrest Mandeville: yes
- Christopher Pope: no
- Russ Tempel: no
- Matt Regier: yes
- Emma Kerr-Carpenter: yes
- Sue Vinton: yes
- Derek Harvey: no
- Jason Ellsworth: yes
- John Fuller: yes
- Bob Phalen: yes
- Kenneth Bogner: yes
- Daniel Emrich: yes
- John Esp: yes
- Mike Cuffe: yes
- Daniel Zolnikov: no
- Dennis Lenz: yes
- Willis Curdy: no
- Susan Webber: no
- Becky Beard: yes
- Bruce "Butch" Gillespie: no
- Pat Flowers: no
- Mike Yakawich: yes
- Shelley Vance: yes
- Jonathan Windy Boy: no
- Ellie Boldman: yes
- Theresa Manzella: yes
- Wendy McKamey: yes
- Dave Fern: no
- Barry Usher: yes
- Josh Kassmier: yes
- Laura Smith: no
- Shane Morigeau: no
- Gayle Lammers: yes
- Sen Elect Gregg Hunter: yes
- Sen Elect Tony Tezak: yes
- Vince Ricci: yes
- Wylie Galt: no
- Sara Novak: no
- Cora Neumann: no
- Jacinda Morigeau: no
Do Pass As Amended
2025-03-05 · fail · 24-26
Member-level votes (50)
- Tom McGillvray: yes
- Carl Glimm: yes
- Andrea Olsen: no
- Mark Noland: yes
- Greg Hertz: yes
- Mary Ann Dunwell: no
- Denley Loge: yes
- Janet Ellis: no
- Denise Hayman: no
- Jeremy Trebas: no
- Forrest Mandeville: yes
- Christopher Pope: no
- Russ Tempel: no
- Matt Regier: yes
- Emma Kerr-Carpenter: no
- Sue Vinton: yes
- Derek Harvey: no
- Jason Ellsworth: no
- John Fuller: no
- Bob Phalen: yes
- Kenneth Bogner: yes
- Daniel Emrich: yes
- John Esp: no
- Mike Cuffe: yes
- Daniel Zolnikov: yes
- Dennis Lenz: yes
- Willis Curdy: no
- Susan Webber: no
- Becky Beard: yes
- Bruce "Butch" Gillespie: no
- Pat Flowers: no
- Mike Yakawich: yes
- Shelley Vance: no
- Jonathan Windy Boy: yes
- Ellie Boldman: no
- Theresa Manzella: yes
- Wendy McKamey: no
- Dave Fern: no
- Barry Usher: yes
- Josh Kassmier: yes
- Laura Smith: no
- Shane Morigeau: no
- Gayle Lammers: yes
- Sen Elect Gregg Hunter: yes
- Sen Elect Tony Tezak: yes
- Vince Ricci: yes
- Wylie Galt: no
- Sara Novak: no
- Cora Neumann: no
- Jacinda Morigeau: no
Indefinitely Postpone -McGillvray
2025-03-05 · pass · 27-23
Member-level votes (50)
- Tom McGillvray: no
- Carl Glimm: no
- Andrea Olsen: yes
- Mark Noland: no
- Greg Hertz: no
- Mary Ann Dunwell: yes
- Denley Loge: yes
- Janet Ellis: yes
- Denise Hayman: yes
- Jeremy Trebas: no
- Forrest Mandeville: no
- Christopher Pope: yes
- Russ Tempel: yes
- Matt Regier: no
- Emma Kerr-Carpenter: yes
- Sue Vinton: no
- Derek Harvey: yes
- Jason Ellsworth: yes
- John Fuller: yes
- Bob Phalen: no
- Kenneth Bogner: no
- Daniel Emrich: no
- John Esp: yes
- Mike Cuffe: no
- Daniel Zolnikov: no
- Dennis Lenz: no
- Willis Curdy: yes
- Susan Webber: yes
- Becky Beard: no
- Bruce "Butch" Gillespie: yes
- Pat Flowers: yes
- Mike Yakawich: no
- Shelley Vance: yes
- Jonathan Windy Boy: no
- Ellie Boldman: no
- Theresa Manzella: no
- Wendy McKamey: yes
- Dave Fern: yes
- Barry Usher: no
- Josh Kassmier: yes
- Laura Smith: yes
- Shane Morigeau: yes
- Gayle Lammers: yes
- Sen Elect Gregg Hunter: yes
- Sen Elect Tony Tezak: no
- Vince Ricci: no
- Wylie Galt: no
- Sara Novak: yes
- Cora Neumann: yes
- Jacinda Morigeau: yes
ReconsAction and place on Second Reading on 3/6/2025 -Hertz
2025-03-06 · pass · 29-21
Member-level votes (50)
- Tom McGillvray: yes
- Carl Glimm: yes
- Andrea Olsen: no
- Mark Noland: yes
- Greg Hertz: yes
- Mary Ann Dunwell: no
- Denley Loge: yes
- Janet Ellis: no
- Denise Hayman: no
- Jeremy Trebas: yes
- Forrest Mandeville: yes
- Christopher Pope: no
- Russ Tempel: no
- Matt Regier: yes
- Emma Kerr-Carpenter: yes
- Sue Vinton: yes
- Derek Harvey: no
- Jason Ellsworth: no
- John Fuller: yes
- Bob Phalen: yes
- Kenneth Bogner: yes
- Daniel Emrich: yes
- John Esp: yes
- Mike Cuffe: yes
- Daniel Zolnikov: yes
- Dennis Lenz: yes
- Willis Curdy: no
- Susan Webber: no
- Becky Beard: no
- Bruce "Butch" Gillespie: yes
- Pat Flowers: no
- Mike Yakawich: yes
- Shelley Vance: no
- Jonathan Windy Boy: no
- Ellie Boldman: yes
- Theresa Manzella: yes
- Wendy McKamey: yes
- Dave Fern: no
- Barry Usher: yes
- Josh Kassmier: yes
- Laura Smith: no
- Shane Morigeau: no
- Gayle Lammers: yes
- Sen Elect Gregg Hunter: no
- Sen Elect Tony Tezak: yes
- Vince Ricci: yes
- Wylie Galt: yes
- Sara Novak: no
- Cora Neumann: no
- Jacinda Morigeau: no
Do Pass
2025-03-06 · pass · 34-16
Member-level votes (50)
- Tom McGillvray: yes
- Carl Glimm: yes
- Andrea Olsen: yes
- Mark Noland: yes
- Greg Hertz: yes
- Mary Ann Dunwell: no
- Denley Loge: yes
- Janet Ellis: no
- Denise Hayman: no
- Jeremy Trebas: no
- Forrest Mandeville: yes
- Christopher Pope: no
- Russ Tempel: no
- Matt Regier: yes
- Emma Kerr-Carpenter: yes
- Sue Vinton: yes
- Derek Harvey: no
- Jason Ellsworth: yes
- John Fuller: no
- Bob Phalen: yes
- Kenneth Bogner: yes
- Daniel Emrich: yes
- John Esp: yes
- Mike Cuffe: yes
- Daniel Zolnikov: yes
- Dennis Lenz: yes
- Willis Curdy: no
- Susan Webber: no
- Becky Beard: yes
- Bruce "Butch" Gillespie: yes
- Pat Flowers: no
- Mike Yakawich: yes
- Shelley Vance: yes
- Jonathan Windy Boy: no
- Ellie Boldman: yes
- Theresa Manzella: yes
- Wendy McKamey: yes
- Dave Fern: yes
- Barry Usher: yes
- Josh Kassmier: yes
- Laura Smith: no
- Shane Morigeau: no
- Gayle Lammers: yes
- Sen Elect Gregg Hunter: yes
- Sen Elect Tony Tezak: yes
- Vince Ricci: yes
- Wylie Galt: yes
- Sara Novak: yes
- Cora Neumann: no
- Jacinda Morigeau: no
Do Pass
2025-03-07 · pass · 34-15
Member-level votes (50)
- Tom McGillvray: yes
- Carl Glimm: yes
- Andrea Olsen: yes
- Mark Noland: yes
- Greg Hertz: yes
- Mary Ann Dunwell: no
- Denley Loge: yes
- Janet Ellis: no
- Denise Hayman: no
- Jeremy Trebas: no
- Forrest Mandeville: yes
- Christopher Pope: no
- Russ Tempel: no
- Matt Regier: yes
- Emma Kerr-Carpenter: yes
- Sue Vinton: yes
- Derek Harvey: no
- Jason Ellsworth: yes
- John Fuller: no
- Bob Phalen: yes
- Kenneth Bogner: yes
- Daniel Emrich: yes
- John Esp: yes
- Mike Cuffe: yes
- Daniel Zolnikov: yes
- Dennis Lenz: yes
- Willis Curdy: no
- Susan Webber: absent
- Becky Beard: yes
- Bruce "Butch" Gillespie: yes
- Pat Flowers: no
- Mike Yakawich: yes
- Shelley Vance: yes
- Jonathan Windy Boy: yes
- Ellie Boldman: yes
- Theresa Manzella: yes
- Wendy McKamey: no
- Dave Fern: yes
- Barry Usher: yes
- Josh Kassmier: yes
- Laura Smith: no
- Shane Morigeau: no
- Gayle Lammers: yes
- Sen Elect Gregg Hunter: yes
- Sen Elect Tony Tezak: yes
- Vince Ricci: yes
- Wylie Galt: yes
- Sara Novak: yes
- Cora Neumann: no
- Jacinda Morigeau: no
be_concurred_in_as_amended
2025-04-07 · pass · 8-6
Member-level votes (14)
- Marilyn Marler: no
- Steve Fitzpatrick: no
- Jill Cohenour: no
- Greg Oblander: yes
- Jonathan Karlen: no
- Tom France: yes
- Russ Miner: yes
- Lukas Schubert: yes
- Shannon Maness: yes
- Jedediah Hinkle: yes
- Joshua Seckinger: no
- Steve Gist: yes
- Morgan Thiel: yes
- Becky Edwards: no
Do Concur
2025-04-10 · fail · 45-55
Member-level votes (100)
- Frank Smith: no
- Jill Cohenour: no
- Mary Caferro: no
- Steve Fitzpatrick: yes
- Jedediah Hinkle: yes
- Julie Darling: no
- Larry Brewster: yes
- Fiona Nave: no
- Braxton Mitchell: yes
- Linda Reksten: no
- Connie Keogh: no
- Katie Sullivan: no
- Steve Gist: yes
- Katie Zolnikov: yes
- Amy Regier: yes
- Kelly Kortum: no
- Paul Fielder: yes
- Jerry Schillinger: yes
- Gary Parry: yes
- Caleb Hinkle: yes
- Ken Walsh: yes
- Greg Oblander: yes
- Lee Deming: yes
- Mark Thane: no
- Eric Matthews: no
- Terry Falk: yes
- George Nikolakakos: no
- Greg Kmetz: yes
- Denise Baum: no
- Brad Barker: no
- Jonathan Karlen: no
- Zack Wirth: yes
- Neil Duram: yes
- Bill Mercer: yes
- David Bedey: no
- Marilyn Marler: no
- Brandon Ler: yes
- Kerri Seekins-Crowe: yes
- Ed Stafman: no
- Jane Gillette: yes
- Donavon Hawk: no
- Sherry Essmann: no
- Russ Miner: no
- Nelly Nicol: yes
- Paul Tuss: no
- Melissa Romano: no
- SJ Howell: no
- Llew Jones: yes
- Ed Buttrey: yes
- Tyson T. Running Wolf: no
- Mike Fox: no
- Marta Bertoglio: yes
- Tom France: yes
- Courtenay Sprunger: yes
- Jodee Etchart: yes
- Jennifer Lynch: no
- Bob Carter: no
- Zooey Zephyr: no
- John Fitzpatrick: no
- Valerie Moore: no
- Morgan Thiel: yes
- Shannon Maness: yes
- Curtis Cochran: yes
- Scott DeMarois: no
- Lukas Schubert: yes
- James Reavis: no
- Luke Muszkiewicz: no
- Becky Edwards: no
- Jamie Isaly: no
- Marc Lee: no
- Melissa Nikolakakos: yes
- Mike Vinton: no
- Steven Kelly: no
- Shane Klakken: yes
- Peter Strand: no
- Thedis Crowe: no
- Eric Albus: yes
- Joshua Seckinger: no
- Kathy Love: yes
- Anthony Nicastro: yes
- Brian Close: no
- Greg Overstreet: no
- Pete Elverum: no
- Tracy Sharp: no
- Ed Byrne: yes
- Randyn Gregg: yes
- Shelly Fyant: no
- Lyn Bennett: yes
- Jane Weber: no
- Curtis Schomer: yes
- Jade Sooktis: no
- Alanah Griffith: no
- Debo Powers: no
- Chip Fitzpatrick: no
- Melody Cunningham: no
- Tom Millett: yes
- Eric Tilleman: yes
- Scott Rosenzweig: no
- Denise Joy: no
- Terry Nelson: yes

Related bills

Replaces: LC 1601

Official source

https://bills.legmt.gov/#/laws/bill/2/LC1601?open_tab=sum

Attribution

Data from openstates_bulk_csv, retrieved 2026-07-24T05:25:55.439350Z

Inspect retained evidence for changes recorded after evidence tracking began:

Source and document changes Status and relationship changes

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Bulk imports for this session Session dates and activity

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