SALT LAKE CITY (ABC4) — This week, we’ve seen record heat, flash flooding in parts of Southern Utah, and strong thunderstorms impact parts of the Wasatch Front. A drier air mass moves in from the southwest today, but there will still be enough lingering moisture for isolated thunderstorms. As we close out the work week temperature-wise, we are seeing more seasonal temperatures as our ridge of high pressure breaks down and pulls southeast. Daytime highs will be in the mid-90s along the Wasatch Front with more triple-digit temperatures for St. George.
With isolated storms possible, we have a ‘Marginal’ risk of isolated severe thunderstorms for parts of the West Desert Utah, including portions of the Wasatch Front this evening where the primary threat will be strong wind gusts. Severe thunderstorms can bring an abundance of lightning, wind gusts of 58+ mph, and large hail. St. George only has a slight chance of a storm today, and our flash flood risk is still possible for many locations including our National Parks except Zion and near Lake Powell.
Another weak disturbance brushing by on Saturday will bring a few showers and thunderstorms to northern Utah. Drier air in the south should end the storms, but strong southwesterly winds could create critical fire weather conditions. A fire weather watch has been issued for Saturday afternoon for portions of Central and Southern Utah due to the potential of gusty winds to 35 mph and low relative humidity.
By Saturday, drier air moving in from the southwest will push moisture out of the state Saturday evening. Sunday will be dry across the region with seasonal highs and lighter winds. The ridge will rebuild over the area early next week with a rebound to above-normal temperatures through midweek. Moisture will also return to areas of southern Utah by midweek, increasing chances of afternoon thunderstorms.
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