Montana DUI Laws

Being Convicted of DUI / DWI Can Have Life Changing Consequences

Browse DUI Laws by State or Learn More About Field Sobriety Tests & Ignition Interlock Devices

Montana DUI / DWI Laws

Montana DUI / DWI Laws: Penalties, Fines, Requirements & Information

Montana DUI / DWI Laws Overview & Common DUI / DWI Questions

I’ve been arrested for DUI in Montana, what should I do?
If you’ve been arrested for DUI / DWI in Montana, the first thing you should do is talk with an experienced Montana DUI lawyer! Montana DUI laws are complex and an experienced Montana DUI lawyer will be able to negotiate the best possible outcome. Call 1.855.700.0754 for a FREE Montana DUI consultation with a local DUI lawyer.
What is the legal blood alcohol content (BAC) limit in Montana?
Like all other states in America, the BAC legal limit in Montana for individuals over 21 is .08%. Montana does have a zero-tolerance law meaning anyone under the age of 21 will be charged with DUI for a BAC greater than .02%. The commercial BAC limit in Montaana is .04%. Anyone found to have a BAC higher than these limits will be charged with DUI in the state of Montana.
Does Montana have an aggravated DUI charge if my BAC is extremely high?
Unlike most other states in America, Montana does not have a enhanced or aggravated DUI charge if convicted of a DUI.
Do I have to take a field sobriety test or chemical test in Montana?
Montana DUI laws include “implied consent”, which means you are required to submit to field sobriety tests or chemical testing, or you will face serious consequences. On the 1st refusal you will face a 6 month license suspension. Both 2nd and 3rd refusals will result in a year licence suspension and possible fine.
If I’m convicted of DUI in Montana will I lose my car?
Yes, it is a possibility that your vehicle could be confiscated if you are charged with a DUI offense in Montana.
Can I lose my drivers license if convicted of DUI / DUII in Montana?
Yes, license suspension or revocation will occur if you are convicted of DUI / DUII in Montana. The duration of a suspension varies by the type of DUI offense in Montana.
Will I have to use an ignition interlock device if I’m convicted of DUI in Montana?
Yes, Montana DUI laws require the use of ignition interlock devices upon a DUI conviction.
How much does a DUI in Montana cost?
A first time DUI conviction in Montana can cost between $7,000 – $10,000.
Will an Montana DUI conviction increase my auto insurance?
Yes, definitely. If you are convicted of DUI / DUII in Maine, your insurance could increase by $3,600 to $6,000.

Overview of Montana DUI / DUII Laws: Penalties, Fines, Jail Time & Requirements

Penalties & Fines For First DUI Conviction in Montana

Imprisonment – 2 days to 6 months
Fine – $300 to $1,000
Mandatory – Alcohol assessment & treatment with the possibility of ignition interlock device
Drivers license suspension – 6 months

Penalties & Fines For Second DUI Conviction in Montana

Imprisonment – 7 days to 6 months
Fine – $600 to $1,000
Mandatory – Alcohol assessment & treatment with ignition interlock device
Drivers license suspension – 1 year

Penalties & Fines For Third DUI Conviction and Subsequent DUI’s Within 10 Years in Montana

Imprisonment – 30 days to 1 year
Mandatory – Alcohol assessment & treatment with ignition interlock device
Fine – $1,000 to $5,000
Drivers license suspension – 1 year

Montana DUI Laws Apply To All Counties in Montana

Beaverhead County
Big Horn County
Blaine County
Broadwater County
Carbon County
Carter County
Cascade County
Chouteau County
Custer County
Daniels County
Dawson County
Deer Lodge County
Fallon County
Fergus County

Flathead County
Gallatin County
Garfield County
Glacier County
Golden Valley County
Granite County
Hill County
Jefferson County
Judith Basin County
Lake County
Lewis And Clark County
Liberty County
Lincoln County
Madison County

McCone County
Meagher County
Mineral County
Missoula County
Musselshell County
Park County
Petroleum County
Phillips County
Pondera County
Powder River County
Powell County
Prairie County
Ravalli County
Richland County
Roosevelt County

Rosebud County
Sanders County
Sheridan County
Silver Bow County
Stillwater County
Sweet Grass County
Teton County
Toole County
Treasure County
Valley County
Wheatland County
Wibaux County
Yellowstone County
Yellowstone National Park County

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State DUI Laws

Welcome to StateDUILaws.net! This site is dedicated to providing DUI information and resources for each state in America. We have compiled the DUI Laws of each state as well as other relevant DUI information for those looking for DUI information in their state.

Our site includes information about DUI penalties, 1st, 2nd and 3rd DUI convictions, Ignition Interlock Devices, field sobriety tests and other DUI arrest information.

If you've been arrested for DUI, then we also offer access to a FREE initial DUI consultation from a local DUI attorney.