The National Weather Service in Salt Lake City issued a forecast discussion detailing various weather risks for the region. A marginal risk for excessive rainfall was identified for most of the area through the weekend, while severe thunderstorm risks were noted for specific portions of Utah.
In northwestern Utah, a marginal risk of level 1/5 for severe thunderstorms was identified, with a 5-10% chance of wind gusts exceeding 58 mph through the evening. On Sunday afternoon and evening, a slight risk of level 2/5 for severe thunderstorms was outlooked for much of northern Utah, including the Wasatch Front. During this time, there is a 10% chance of wind gusts exceeding 70 mph.
In central and southern Utah, thunderstorms with the threat of heavy rainfall were expected. The threat of isolated flash flooding continues in prone locations, specifically in slot canyons, normally dry washes, slick rock areas, areas with poor drainage, and recent burn scars. Rainfall rates in excess of 0.50-0.75 inches per hour have been observed.
The threat of isolated flash flooding may persist in areas where convection develops through at least Monday. Additionally, valley humidities are expected to fall slowly, potentially reaching near critical levels as early as Monday.
