Iowa DUI / DWI Penalties (2026)

Driving Under the Influence (DUI) or Driving While Intoxicated (DWI) charges in Iowa: penalties, sentencing ranges, felony thresholds, and what to expect if charged.

Educational purposes only. Not legal advice. If you are facing dui / dwi charges in Iowa, consult a licensed Iowa criminal defense attorney.

Iowa DUI / DWI Penalties

OffensePenalty
First OffenseUp to 1 year jail, $1,250 fine, 180-day revocation
Second Offense7 days–2 years, $1,875 fine, 1-year revocation

Iowa uses ignition interlock for repeat offenders

DUI / DWI Statute of Limitations in Iowa

In Iowa, the general statute of limitations for a felony is 3 years and for a misdemeanor is 3 years.

See all Iowa statutes of limitations →

Defending Against DUI / DWI Charges in Iowa

Common defenses in Iowa dui / dwi cases include:

  • Lack of intent — many charges require proving criminal intent
  • Insufficient evidence — the prosecution must prove guilt beyond a reasonable doubt
  • Procedural violations — improper arrest, unlawful search and seizure
  • Mistaken identity
  • Constitutional violations — Fourth and Fifth Amendment protections

The specific defenses available depend on the facts of the case. Consult a Iowa criminal defense attorney for advice.

Related Iowa Laws