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South Dakota Window Tint Laws (2026)

Info: Front side windows must let at least 35% of light through, with a 9% tolerance allowed; windshield tint is allowed only above the AS-1 line — the marking near the top of the windshield.

InfoVerified Jun 18, 2026
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Front side windows must let at least 35% of light through, with a 9% tolerance allowed; windshield tint is allowed only above the AS-1 line — the marking near the top of the windshield. (S.D. Codified Laws 32-15-2.4)

Official source: sdlegislature.gov →

General legal information, not legal advice — verify important decisions with a licensed attorney.

Window Tint in states bordering South Dakota

The same rule in each neighboring state LawLert has verified, from that state’s own official source.

  • IowaInfo

    The windshield must let at least 70% of light through; the front side windows and the sidewings (the small vent windows) next to the driver must let at least 50% through — a measurable legal standard that replaced the former 70% administrative rule, effective July 1, 2026. Law-enforcement vehicles are exempt while on duty. (HF 766; Iowa Code 321.438(2))

    Verified Jul 20, 2026 · Source: legis.iowa.gov · Full Iowa rule →

  • MinnesotaInfo

    Front side windows must let at least 50% of light through, with a 3% margin allowed; no added tint is allowed on the windshield. (Minn. Stat. 169.71)

    Verified Jun 18, 2026 · Source: revisor.mn.gov · Full Minnesota rule →

  • MontanaInfo

    Front side windows must let at least 24% of light through; the windshield must stay clear below the AS-1 line — the marking near the top of the windshield. (Mont. Code Ann. 61-9-405)

    Verified Jun 18, 2026 · Source: mca.legmt.gov · Full Montana rule →

  • NebraskaInfo

    Front side windows must let at least 35% of light through; windshield tint is allowed only above the AS-1 line — the marking near the top of the windshield. (Neb. Rev. Stat. 60-6,257)

    Verified Jun 18, 2026 · Source: nebraskalegislature.gov · Full Nebraska rule →

  • North DakotaInfo

    Front side windows must let at least 50% of light through; the windshield must let at least 70% through, with non-reflective tint allowed above the AS-1 line — the marking near the top — or across the top 5 inches. (N.D. Cent. Code 39-21-39)

    Verified Jun 18, 2026 · Source: ndlegis.gov · Full North Dakota rule →

  • WyomingInfo

    Front side windows must let at least 28% of light through in total, and the tint must be non-reflective; windshield tint is limited to the top 5 inches, above the AS-1 line — the marking near the top. (Wyo. Stat. 31-5-962)

    Verified Jun 18, 2026 · Source: wyoleg.gov · Full Wyoming rule →

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