Know Before You Drive
DUI & DWI Laws by State
Click any state to view current laws, BAC limits & penalties
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Missouri
MODWI StateDWI (Driving While Intoxicated)Midwest⚡ Agg: 0.15%
Legal BAC Limit
0.08%
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Under 21 BAC
0.02%
Commercial BAC
0.04%
Look-back Period
10 years
1st Offense
Jail Time
Up to 6 months
Fine
Up to $1,000
License Suspension
30 days (then 60 days restricted)
IID Required
No
2nd Offense
Jail Time
10 days–1 year (or 240 hours community service in lieu of jail)
Fine
Up to $2,000
License Suspension
1 year revocation
IID Required
Yes
🔴 Felony Threshold3rd offense within 10 years (Class E felony); prior felony DWI + new DWI = felony
✖ IID All Offenses✔ Implied Consent✔ Admin. License Suspension✔ Per Se Drug DUI
Missouri: IID required starting at 2nd offense. 3rd DWI within 10 years is a Class E felony. 'Persistent offender' (2+ prior DWIs) and 'aggravated offender' (3+) statuses affect sentencing. Administrative suspension separate from criminal penalties.
Sources: dor.mo.gov, ncdd.com
⚠️ Laws change frequently. Always verify with a licensed attorney or your state's official DMV/DOT. Last updated: 2025–2026.
Northeast States
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