Montana DUI Laws

Montana DUI arrest? A DUI Attorney can get you Answers!


Montana DUI laws are tough. The state imposes a variety of penalties on convicted drunk drivers. These penalties include jail time and fines, but Montana also requires the use of ignition interlock devices in some cases.

What does your DUI case in Montana require? Will you meet the deadlines for filing motions? A Montana DUI lawyer can provide you with information about your case and the state laws. A lawyer can also help you avoid costly mistakes that will come back to haunt you.

Get your DUI case started on the right foot. To speak with a Montana DUI attorney near you, simply fill out the form on this page or call, toll free, 877-349-1311.

Montana DUI laws call for a variety of punishments, from jail time to license suspension. Driver may also be punished if they refuse a breathalyzer test. This act could result in a suspended driver's license.

Montana DUI Penalties

First DUI Conviction

  • 24 hours-6 months in jail
  • $300-1,000 fine
  • 6-month driver's license suspension

Second DUI Conviction (within 5 years)

  • 7 days-6 months in jail
  • $600-1,000 fine
  • Possible seizure and forfeiture of your vehicle
  • 1-year ignition interlock installation
  • 1-year driver's license suspension

Third DUI Conviction (within 5 years)

  • 30 days-1 year in jail
  • 1-year driver's license suspension
  • $1,000-5,000 fine
  • Possible seizure and forfeiture of your vehicle
  • 1-year ignition interlock installation

Penalties for Refusal

  • First refusal: Six-month driver's license suspension
  • Second refusal (within 5 years): One-year driver's license suspension

Ask a Montana DUI Attorney About Your Rights

A local DUI attorney may answer questions you might have about the laws in Montana or your specific DUI case. To speak with a DUI lawyer near you today, fill out the free case evaluation form on this page or call us, toll free, at 877-349-1311.

Note: Laws may have changed since our last update. For the latest information on these DUI laws, speak to a local DUI lawyer in the state.

The Montana DUI penalty list is by no means all-inclusive. DUI penalties may vary based on a variety of factors, including your prior driving record.

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