At 815 AM MDT, Doppler radar was tracking a strong thunderstorm over Quail Creek State Park, or 22 miles west of Zion National Park, moving northeast at 15 mph.
HAZARD...Wind gusts up to 50 mph and half inch hail.
SOURCE...Radar indicated.
IMPACT...Gusty winds could knock down tree limbs and blow around unsecured objects. Minor damage to outdoor objects is possible.
Locations impacted include... Zion National Park, Washington, Hurricane, La Verkin, Quail Creek State Park, Sand Hollow State Park, Toquerville, Leeds, Virgin, and Pintura.
This includes Interstate 15 between mile markers 17 and 35.