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Monsoonal moisture is on the way, according to the National Weather Service.
(Rick Egan | The Salt Lake Tribune) Lainey Holmes cools off in a fountain at Bountiful Townsquare, on Friday, July 21, 2023.
After a scorching heat wave brought triple-digit temperatures to much of the state, monsoonal moisture is on its way, with the expectation that it will bring a break in the heat, according to the National Weather Service.
The weather pattern change will bring increased monsoonal moisture over the next few days, the weather service says, with increased scattered daytime showers and thunderstorms.
The moisture will likely peak across Utah by Tuesday into Wednesday, bringing an elevated risk of flash floods and locally heavy rainfall, the weather service said. This will also cause temperatures to drop 5 to 10 degrees by Wednesday. Drier air is expected to return next weekend.
On Sunday, flash flooding is “probable” in some slot canyons, dry washes and small streams in Arches, Bryce Canyon, Zion, Canyonlands and Capitol Reef national parks, San Rafael Swell, Glen Canyon National Recreation Area, Grand Staircase-Escalante National Monument, Natural Bridges National Monument and Grand Gulch, the weather service said.
On Monday, flash flooding is “probable” in some slot canyons, dry washes and small streams in Arches, Bryce Canyon, Canyon Lands, Capitol Reef and Zion national parks, as well as Glen Canyon National Recreation Area, Grand Staircase-Escalante National Monument, Natural Bridges National Monument, Grand Gulch and San Rafael Swell, according to the weather service.
A heat advisory is in place for Sunday across the northern and central Wasatch Front, with high temperatures expected to reach daily records this afternoon, according to the weather service. Those who are especially sensitive to heat should make sure to hydrate, take frequent breaks, wear light clothing, and refrain from doing outdoor activities between the hours of 10 a.m. and 4 p.m.
The forecast for the Salt Lake City area is mostly sunny Sunday, with a high near 93 degrees. Monday will be partly sunny with a high near 90 and patchy smoke, the weather service says.
The weather in Salt Lake City will start to shift Monday night, with a 30 percent chance of showers and thunderstorms that could produce gusty winds. It will be mostly cloudy, with a high near 71, according to the weather service.
On Tuesday, there will be a slight chance of showers, then a chance of showers and thunderstorms in the afternoon. It will be partly sunny, with a high temperature near 85, the weather service says. There will be a 40 percent chance of precipitation.
On Wednesday, showers will be likely, with a thunderstorm possible. Conditions will be mostly cloudy, with a high near 74 degrees.
On Thursday, there will be a chance of showers and thunderstorms in the afternoon, with a high near 78.
By Thursday night, drier air will start to return.
In the St. George area, there will be a chance of showers and thunderstorms after 3 p.m. Sunday, but it will be a sunny and hot day, with a high near 108 degrees, the weather service says.
On Monday, there will be showers likely and a thunderstorm possible in the afternoon. Some of the storms could produce gusty winds, and there could be patchy smoke in the air, the weather service says. The high will be near 102.
According to the weather service, Tuesday and Wednesday will bring much of the same, but with a high near 98 and 97, respectively.
Triple-digit temperatures are expected to return Thursday.
