Wyoming tint rules at a glance
- Front side windows
- 28%
- Minimum VLT, film and glass together
- Back side windows
- 28%
- Minimum VLT, film and glass together
- Rear window
- 28%
- Minimum VLT, film and glass together
- SUVs, trucks and vans
- Behind the driver: back side windows any darkness, rear window any darkness.
- Windshield
- Nonreflective film along the top only, not below the AS-1 line or more than 5 inches from the top (whichever is closer), and never red, yellow or amber.
- Reflectivity
- Film must be nonreflective and may not exceed 20% luminous reflectance on any window.
- Film colors not allowed
- red, yellow, amber (windshield)
- Medical exemption
- Yes, with documentation
- Sticker or certificate
- Not required
- Two outside mirrors
- Required when the rear window is tinted
- Penalty
- Misdemeanor; fine up to $200 for a first offense, $300 for a second within a year, $500 and/or six months for a third (W.S. 31-5-1201).
VLT is the share of light the glass lets through, film and glass together. Source: Wyo. Stat. § 31-5-962, checked Nov 5, 2026. Laws change; confirm with the statute before tinting.
Wyoming regulates window tint through Wyo. Stat. § 31-5-962. Below: the minimum visible light transmission (VLT) for each window, the windshield rule, what counts as too reflective, who can get a medical exemption, and how an officer checks a car at the roadside.
Legal tint limits in Wyoming
- Front side windows: at least 28% VLT.
- Back side windows: at least 28% VLT.
- Rear window: at least 28% VLT.
SUVs, trucks and vans follow a different rule behind the driver: back side windows any darkness and the rear window any darkness.
VLT is measured through film and glass together. Factory glass already blocks some light, usually landing between 70% and 80% VLT before any film, so a roll sold as "35%" on a window that started at 75% ends up darker than 35% once installed. Officers meter the finished window, not the box the film came in.
Windshield
Nonreflective film along the top only, not below the AS-1 line or more than 5 inches from the top (whichever is closer), and never red, yellow or amber.
Federal standard FMVSS 205 sets the baseline for the glass itself: the windshield and front side windows of a new car must transmit at least 70% of visible light. State law decides what film may be added afterwards, which is why the windshield rule is usually a strip above the AS-1 line rather than a percentage.
Reflective and colored film
Film must be nonreflective and may not exceed 20% luminous reflectance on any window. Film colors not permitted: red, yellow, amber (windshield).
Medical exemptions
Wyoming allows darker tint with a medical exemption. The WYDOT director issues a certificate on a physician's or optometrist's signed statement; it must be carried in the vehicle and allows 25% on windows and 70% on the windshield.
Stickers, mirrors and enforcement
No sticker or certificate is required for legal tint. If the rear window is tinted, the car must have outside mirrors on both sides. Misdemeanor; fine up to $200 for a first offense, $300 for a second within a year, $500 and/or six months for a third (W.S. 31-5-1201).
In practice
Wyoming's 28% floor is measured through film and glass together and applies to all side and rear windows of passenger cars. Windows behind the driver on trucks, buses, motor homes, ambulances, limousines and multipurpose passenger vehicles are exempt, so SUV charts show no limit there. Film installed before July 1, 1996 is grandfathered down to 13%. Installers may not apply noncompliant film, but no label is required on the car.
Sources
Checked Nov 5, 2026. Laws change; confirm with the statute before tinting.
Common questions about tint in Wyoming
Is 28% tint legal on front windows in Wyoming?
Yes. 28% is the darkest Wyoming allows on front side windows: the glass and film together must let at least 28% of visible light through. Anything darker fails a meter check.
Can I tint my windshield in Wyoming?
Nonreflective film along the top only, not below the AS-1 line or more than 5 inches from the top (whichever is closer), and never red, yellow or amber. Film below that line is not permitted for ordinary drivers.
Does Wyoming allow darker tint for medical reasons?
Yes, with documentation. The WYDOT director issues a certificate on a physician's or optometrist's signed statement; it must be carried in the vehicle and allows 25% on windows and 70% on the windshield.
What happens if my tint is too dark in Wyoming?
Misdemeanor; fine up to $200 for a first offense, $300 for a second within a year, $500 and/or six months for a third (W.S. 31-5-1201).
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