Prairie County Sheriff's Office

08/14/2026

Public Service Announcement.
For all citizens that are actively trying to find and catch the black and white border collie, we ask that you please stop. We have new information that says the dog will bite you if you are a stranger. We also have someone onthe way that is familiar with the dog and will attempt to catch it. If you have any question do not hesitate to call the sheriff's office at 406-635-5738

Sheriff/Coroner Keifer Lewis

06/08/2026

Due to the size of the Prairie County courtroom, there are only 30 seats available for those interested in attending the hearing on June 12th. Due to fire code, there is NO standing room in the courtroom and NO standing in the hallway.

Be advised there is NO weapons, Cellphones or recording devices allowed in the courtroom. Please refer to district 7 court rules for more information.
Thank you.
Sheriff Keifer Lewis

06/04/2026

There have been several Diesel fuel thefts lately. If you own a semi or a large diesel storage tank, it is suggested that you start locking them.

05/13/2026

Just letting everyone know that there will be a planned Siren Test on Saturday, May 16th, at 12:30pm.

04/14/2026

MDU just called and they have rescheduled their planned Terry power outage for tomorrow, Wednesday, April 15th, from 7pm to 10pm.

04/06/2026

***last update on Noah***
About 3 miles out. Should be here in 20 mins.

***UPDATE ON NOAH***

Noah is on Old Hwy 10 coming into Terry. Time will still be about 6pm. EMS will stage at 4 corners.

Noah Coughlan is getting close to the Prairie County line. EMS will be meeting him at the exit into Terry to es**rt him into town. This should be around 6pm tonight. Feel free to line Spring Street from Four Corners to the Kempton. I will update this when I know a more accurate time of arrival.

The Sheriffs Office will be monitoring his progress throughout the day.

Thanks
Sheriff Lewis

02/17/2026

If you found a white rim with tire and hub still attached along old hwy 10, please let us know. The owner is looking for it.

Thank you

01/12/2026

RESERVE DEPUTY meeting is scheduled for the 15th of January at 6pm. This will be at the prairie county courthouse courtroom at 217 Park street.

Looking forward to seeing everyone.

12/02/2025

RESERVE DEPUTY APPLICATIONS NOW BEING ACCEPTED.

The Prairie County Sheriff's Office is excited to announce that Tim Therrien has accepted the position of Reserve Commander with the Sheriff’s Office. We are blessed to have Tim back in our law enforcement community and willing to run the reserve program. Tim’s vast amount of knowledge and experience will make the PCSO Reserve program one of the best in Eastern Montana. If you would like to be part of something that has a true benefit to the community, do not hesitate to take advantage of this opportunity.
What does it take to be a reserve deputy you ask? Here it is in a nutshell.
Basic eligibility
• Age: At least 18 years old.
• Citizenship: Citizen of the United States (or permanent resident for non-peace officer roles).
• Education: High school diploma or GED.
• License: Valid Montana driver's license.
• Background: No felony convictions or serious misdemeanor convictions that would prohibit firearm possession or police duties.
• Moral character: Must be of good moral character.
• Physical condition: Must be in good physical condition.
• Residency: May need to have lived in the county for at least six months before appointment.
Training requirements
• Basic training: Complete a minimum of 88 hours of basic training within two years of appointment.
• Training content: The 88-hour training includes topics such as:
o Introduction and orientation
o Police ethics and professionalism
o Criminal law
o Laws of arrest
o Criminal evidence
o Patrol procedures
o Crime investigations
• Additional training: After the initial 88 hours, reserve deputies must complete additional in-service and field training as required by their local department.
• Fi****ms: The basic training also includes fi****ms qualification.
• Ethics: Must subscribe to the code of ethics as required by the Montana Department of Justice.
Other requirements
• Background check: Must be fingerprinted and subject to a background check.
• Oral interview: Must successfully complete an oral interview with the appointing authority.
• POST certification: Must be in good standing with the Montana Public Safety Officer Standards and Training (POST) Council.
• Agency policies: Must adhere to all policies and procedures of the sheriff's office they are joining.
All reserve officers are required to provide their own firearm and duty belt that meets agency policy. The agency will provide 1 duty shirt and a reserve deputy badge.
The recruitment window is now open and we are going to have our first meeting January 15th, 2026 at 6PM at the courthouse.
If you have any questions, do not hesitate to call the office at 406-635-5738.

Respectfully,
Sheriff Keifer Lewis
Reserve Commander Tim Therrien

10/15/2025