Former Prosecutors Defending Clients in Wyoming and South Dakota

What are the Criminal Penalties for DUI in Wyoming and South Dakota?


In Wyoming, the criminal penalties connected to DUI charges depend on whether you have been convicted before. The first time you face a DUI conviction you could face:

  • Up to 6 months in jail
  • Up to $750 in fines
  • Installation of an ignition interlock device if your blood alcohol content (BAC) was .15 or higher

Second and subsequent offenses mean mandatory minimum jail times, higher fines, longer license suspensions, and mandatory interlock devices. On your 4th offense, you could go to prison for up to 2 years.

South Dakota

South Dakota's DUI criminal penalties are more straight forward. On a first or second offense, you could face:

  • Up to 1 year in jail
  • $1,000 in fines

On a third offense you could face up to 2 years in prison and a $2,000 fine, as well as a 1 year license suspension. South Dakota does not require ignition interlock devices.

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