Montana DUI Laws 2026: Complete Legal Guide
Montana DUI laws set a 0.08% BAC limit for drivers over 21, with penalties ranging from $600 fines and 24-hour jail minimums for first offenses to mandatory prison time for fourth offenses. Your fourth DUI becomes a felony under Montana Code Annotated § 61-8-731, carrying 13 months to 5 years in prison. Montana uses a […]