Unseasonably hot temperatures van be expected again today with Salt Lake City making a run for the eighth day with triple digits this year. Clear skies will become partly cloudy through the day especially on the western side of the state as temperatures jump into the upper 90s and low 100s along the Wasatch Front, Central Utah, and triple digit heat holds in parts of eastern and southern Utah.
While this will be peak heating for the Wasatch Front, Washington County will see dangerous heat Thursday and Friday. Highs will reach six to eight degrees above average with little recovery overnight. As a result of this high heat, the National Weather Service has issued an “Extreme Heat Watch” has been issued for lower Washington County including St. George and Zion National Park. This watch goes into effect Thursday afternoon through Friday evening, and is expected to evolve into a Extreme Heat Warning for the area sometime Wednesday. With this dangerous heat ahead, make sure you limit your time outdoors, stay hydrated and check on those without adequate cooling.
Our area of high pressure will slide to the east, known as our Four Corners High, and allow for an uptick of moisture. Initially this moisture will be confined to the mid levels midweek, resulting in high based showers and dry thunderstorms with little if any rainfall. By Thursday, a mixture of wet and dry thunderstorms can be expected before storms fully transition to wet with wetting rains more common by the end of the week.
At first, we will notice more cloud cover, but by Thursday, as moisture deepens, widespread thunderstorms can be expected with increasing threats of heavy rain and the threat of flash flooding will also rise. You can expect the chance of isolated to scattered thunderstorms with lightning, gusty outflow winds and heavy downpours to close out the work week. The flash flood risk is listed as “possible” for several spots in Southern Utah Thursday, so anyone with outdoor recreation plans in Southern Utah should stay weather aware with the threat of slot canyons, normally dry washes and slick rock facing the possibility of flooding.
This traditional atmospheric monsoon set up looks to hold steady through the weekend and into early next week, meaning active skies with isolated to scattered thunderstorms stay in the forecast through Tuesday. Stay tuned!
We’ll keep you updated in our 4Warn Weather forecast both on-air and online, we are Good4Utah!
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