Drink-driving limits in Wisconsin (2026)

Last reviewed: 29 October 2026

In short: State drink-driving rules for this state have not yet been verified.

Rule	What applies
Random breath tests without suspicionDriving after drinking alcohol	⚠ Not yet verified
Blood alcohol limit for ordinary driversDriving after drinking alcohol	0.08 % blood alcohol ^[1]
Lower limit for novice or young driversDriving after drinking alcohol	Under the legal drinking age (21): not allowed to drive with an alcohol concentration of more than 0.0 up to 0.08; the operating privilege is suspended. ^[2]
Limit for professional or commercial driversDriving after drinking alcohol	A commercial motor vehicle driver may not drive with an alcohol concentration of 0.04 or more but less than 0.08; any alcohol concentration above 0.0 is prohibited while on duty time. ^[2]
Maximum penaltiesDriving after drinking alcohol	A first offence is a civil forfeiture of $150 to $300. Second offence: a fine of $350 to $1,100 and 5 days to 6 months in prison. Third: $600 to $2,000 and 45 days to one year. Fourth: a class H felony; tenth or later: a class E felony. ^[3]

Notes

Not yet verified against the state's official statutes.
For a driver with two or fewer prior convictions, suspensions or revocations. With three or more, or under an ignition interlock order, the prohibited concentration is more than 0.02.

These rules are set at national level in the United States and apply here too, alongside the rules above. All national rules for the United States

Limit for professional or commercial drivers	0.04% alcohol concentration or more: a driver subject to commercial driver's licence rules must not report for or remain on duty performing safety-sensitive functions, and an employer who knows of it must not let the driver continue. (source: Electronic Code of Federal Regulations (Office of the Federal Register))

State	Blood alcohol limit for ordinary drivers	Lower limit for novice or young drivers	Limit for professional or commercial drivers	Random breath tests without suspicion	Maximum penalties
Wisconsin	0.08%	Zero (under 21)	0.04% (commercial vehicle)	⚠ Not yet verified	1st: $150-$300 forfeiture
Iowa	0.08%	0.02% (under 21)	0.04% (commercial)	⚠ Not yet verified	Min. 48 hours jail; $1,250 fine
Illinois	0.08%	Zero (under 21)	0.04% (commercial vehicles)	⚠ Not yet verified	Class A misdemeanor (1st)
Michigan	0.08%	Any alcohol (under 21)	0.04% (commercial vehicle)	⚠ Not yet verified	Up to 15 yrs / USD 10,000 (death)
Minnesota	0.08%	Any alcohol, under 21	0.04% (commercial vehicle)	⚠ Not yet verified	Up to 7 years, $14,000 (felony)

CannabisPossession for personal use: Criminal offence (misdemeanour, then felony) · Growing at home: No (felony)
Car speed limitsBuilt-up areas: 25 mph; 35 mph outlying · Outside built-up areas (single carriageway): 55 mph
Minimum age for a car driving licenceMinimum age for a car licence: 16 (probationary licence) · Earliest age to drive a car supervised: 15 (instruction permit)
E-bikes and speed pedelecsLegal class: Three classes · Minimum age: Class 3: 16
FireworksConsumers may buy and use category F2 fireworks: Yes, with a municipal permit
Knives and pepper sprayFolding pocket knives: Knives excluded from concealed-carry ban · Locking or one-handed knives: Any knife excluded
Statutory minimum wageNational statutory minimum wage: Yes (state law) · Current adult minimum wage (gross): $7.25 per hour
Using a mobile phone while drivingHolding a phone while driving banned: No (texting only) · Hands-free use: Allowed
Seat belts and child seatsSeat belt compulsory in front seats: Yes · Seat belt compulsory in rear seats: Yes
Tobacco and nicotine age limitsMinimum age to buy tobacco: 21 · Minimum age to buy e-cigarettes: 21
Drinking age and alcohol salesMinimum age to buy beer and wine: 21 · Minimum age to buy spirits: 21

General information, not legal advice. Rules change: check the official source before you fly or ride.