Illinois Window Tint Laws (2026)

Window Tint in states bordering Illinois

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

• IndianaInfo

  Tint must allow >=30% light (VLT) and reflect <=25%; uniform for windshield/front/rear side windows. Ind. Code 9-19-19-4.

  Verified Jun 18, 2026 · Source: lafayette.in.gov · Full Indiana rule →

• 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 →

• KentuckyInfo

  Front side windows must let at least 35% of light through; the windshield must still let at least 70% through, with tint limited to a non-reflective strip across the top. (Ky. Rev. Stat. 189.110)

  Verified Jun 18, 2026 · Source: apps.legislature.ky.gov · Full Kentucky rule →

• MissouriInfo

  Front side windows must let at least 35% of light through, with a 3% margin allowed; no tint on the windshield other than the factory strip across the top. (Mo. Rev. Stat. 307.173)

  Verified Jun 18, 2026 · Source: revisor.mo.gov · Full Missouri rule →

• WisconsinInfo

  Front side windows must let at least 50% of light through, and the tint must be non-reflective; windshield tint is allowed only above the AS-1 (or "A") mark on the windshield. (Wis. Admin. Code Trans 305.34)

  Verified Jun 18, 2026 · Source: docs.legis.wisconsin.gov · Full Wisconsin rule →