Wisconsin's principal "armed-while-intoxicated" rule is at Wis. Stat. § 941.20, "Endangering safety by use of dangerous weapon." The statute reaches...
Reviewed by Will Luker, Founder of CCW Hub. USCCA Training Counselor, USCCA Certified Instructor, NRA Certified Instructor, Law Enforcement.
Wisconsin's principal "armed-while-intoxicated" rule is at Wis. Stat. § 941.20, "Endangering safety by use of dangerous weapon." The statute reaches operation of a firearm while under the influence of an intoxicant, going armed with a firearm while under the influence of an intoxicant in a public place, and discharging a firearm in a manner that endangers safety.
Wis. Stat. § 941.20(1)(b) makes it a Class A misdemeanor to operate or go armed with a firearm while under the influence of an intoxicant. The statute applies regardless of whether the carrier holds a CCL.
The Wisconsin Court of Appeals has interpreted the "operate" language to mean active handling, manipulation, or use of the firearm. The "go armed" language is broader and reaches passive carry while intoxicated.
The "under the influence" standard tracks the Wisconsin OWI (Operating While Intoxicated) framework. A person whose ability is materially and appreciably impaired by alcohol or another intoxicant satisfies the standard. There is no per-se blood-alcohol concentration (BAC) limit for the carry-while-intoxicated offense, unlike the OWI rule for operating a motor vehicle.
Wis. Stat. § 941.237 prohibits carrying a handgun on premises where alcohol beverages are sold and consumed on premises (bars, taverns, restaurants serving liquor for on-premises consumption). The statute has narrow carve-outs:
For a CCL holder, the interplay of § 941.237 and § 941.20 produces a clear rule: do not consume alcohol at a licensed premises while armed. The CCL holder may enter a restaurant for dinner with a handgun on the hip - but should not consume alcohol with the meal.
Wisconsin's § 941.20(1)(b) carry-while-intoxicated offense is widely treated as effectively strict-liability with respect to the underlying intoxication. The actor's knowledge of their intoxication is not generally a defense. A CCL holder who has had "just one drink" and is then arrested with a measurable BAC may face the charge regardless of subjective sobriety.
Best practice: do not consume any alcohol while armed. The risk is not worth the small social benefit.
Wis. Stat. § 941.20 reaches "intoxicants" broadly. Marijuana intoxication (recreational, even where lawful at federal level it is not, but for medical purposes in some interactions) can trigger § 941.20 if it materially impairs the actor's ability. Wisconsin has not legalized recreational marijuana as of mid-2026.
Importantly, federal law at 18 U.S.C. § 922(g)(3) makes it unlawful for an unlawful user of a controlled substance to possess a firearm. A person who uses marijuana - even in a state where recreational marijuana is lawful at state level - is a federally prohibited person and may not lawfully possess a firearm under federal law. This is independent of Wisconsin's § 941.20 framework.
Prescription medications can implicate § 941.20 if they materially impair the actor's ability. Common scenarios:
A licensee taking a new prescription should consult the prescribing physician and pharmacist about firearm-handling effects. A licensee who knows or should know that a medication impairs them should not carry while affected.
The federal 18 U.S.C. § 922(g)(3) framework does NOT apply to lawful prescription use; it reaches only unlawful drug use.
The Wis. Stat. § 941.20 framework applies at a gun range, just as it would in any other location. A shooter at a range who consumes alcohol before or during a session is subject to the carry-while-intoxicated rule. Most quality ranges enforce a zero-alcohol-on-premises rule for liability reasons.
A licensee at home with a defensive firearm may consume alcohol in a manner that does not constitute "going armed" within the meaning of § 941.20. The line is fact-specific: a homeowner with a holstered firearm on a nightstand who consumes a glass of wine at dinner is typically not "going armed" in the operative sense. But a homeowner who is intoxicated and handles the firearm during an emergency may be exposed to § 941.20.
The castle doctrine at Wis. Stat. § 939.48(1m) does not exempt the actor from the carry-while-intoxicated statute. An intoxicated actor who uses force against an intruder under the castle doctrine still faces potential charges under § 941.20 for the going-armed-while-intoxicated conduct, even if the use of force itself is privileged.
A CCL holder may carry concealed at a restaurant that does NOT sell alcohol for on-premises consumption without implicating § 941.237. The general public-carry framework applies. The licensee may have a soft drink with dinner, then drive home, with no Wis. Stat. § 941.20 issue.
A CCL holder visiting a private residence is subject to the same § 941.20 framework. Consumption of alcohol at a friend's house while armed implicates the statute. Best practice: secure the firearm before drinking, or leave the firearm at home if alcohol consumption is anticipated.
Wisconsin's "under the influence" standard requires that the actor's mental or physical faculties be materially and appreciably impaired by the consumption of an intoxicant. The standard is the same one applied in Wis. Stat. § 346.63 OWI cases. There is no per-se BAC for the carry-while-intoxicated offense.
Open carry of a handgun while intoxicated is also a § 941.20 violation. The statute does not distinguish between concealed and open carry; the offense is "going armed" while under the influence.
A first offense under Wis. Stat. § 941.20(1)(b) is a Class A misdemeanor, punishable by up to 9 months in jail and/or a fine of up to $10,000. The offense is a state-conviction event that may also disqualify the licensee from CCL renewal under Wis. Stat. § 941.29.
Repeat offenses or aggravating circumstances (e.g., discharge causing harm) escalate the offense to felony status.
A § 941.20 conviction can:
This summary is informational. The interaction of state law (§ 941.20, § 941.237) and federal law (18 U.S.C. § 922(g)(3)) creates complex consequences. Consult a Wisconsin attorney for specific guidance.
This page covers one part of our Wisconsin concealed carry guide.
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