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It’s going to be ‘dangerously hot’ in Utah. Is there any end in sight?

Salt Lake Tribune logo Salt Lake Tribune 7/12/2022 Scott D. Pierce

The National Weather Service has issued an excessive heat warning for a large part of Utah, including Salt Lake City, from noon Tuesday until midnight Thursday.

“Dangerously hot conditions” are expected, with temperatures rising to 102-104. And overnight lows will be in the mid-70s to near 80, “especially over the urban landscapes,” according to the weather service.

(National Weather Service) An excessive heat warning will be in effect from noon Tuesday until midnight Thursday. © Provided by Salt Lake Tribune (National Weather Service) An excessive heat warning will be in effect from noon Tuesday until midnight Thursday.

Normal highs for this time of year in Salt Lake City are in the mid-90s; normal overnight lows are in the upper 60s.

The excessive heat warning is issued for the Salt Lake Valley, the northern Wasatch Front, Tooele and Rush Valleys, eastern Box Elder County and Great Salt Lake Desert and mountains. It includes Salt Lake City, Ogden, Tooele and Wendover.

And there’s a heat advisory for Utah Valley, where temperatures will be only slightly cooler — near 100.

Even parts of Utah where temperatures are generally somewhat cooler won’t escape the heat. In Logan, highs of 97-99 are expected through Monday, And in Park City, the forecast calls for highs of about 90 through Monday.

The heat will “significantly increase the potential for heat related illnesses,” particularly for those working or recreating outside. The National Weather Service advises people to drink plenty of fluids, wear lightweight and loose fitting clothing, stay in air conditioning and stay out of the sun, and check on relatives and neighbors. “Young children and pets should never be left unattended in vehicles under any circumstances,” it warns.

The weather service advises rescheduling strenuous outdoor activities to early morning or evening  hours and taking frequent rest breaks in shade or air conditioning.

Even after the heat warning expires, there’s no real relief from the heat in the forecast. Temperatures near 100 are expected Thursday-Monday in the Salt Lake City area.

There is a slight chance of afternoon thunderstorms on Wednesday, Friday and Saturday.

(National Weather Service) Flash flooding is possible in southern and eastern Utah this week. © Provided by Salt Lake Tribune (National Weather Service) Flash flooding is possible in southern and eastern Utah this week.

Thunderstorms are possible across southern and eastern Utah this week, and there could be flash flooding. According to the National Weather Service, flash floods are possible in all of Utah’s national parks and national monuments on Tuesday. On Wednesday, flash flooding is probable in Capitol Reef, Grand Staircase-Escalante, Natural Bridges and San Rafael Swell, and possible in Arches, Bryce Canyon, Canyonlands, Glen Canyon, Grand Gulch and Zion.

And it’s going to be extremely hot in southern Utah. The forecast for St. George is 108 on Tuesday, 105 on Wednesday and Thursday, 106 on Friday, Saturday and Sunday, and 107 on Monday. Overnight lows will be in the low to mid 80s.

It’ll be 100-103 in Moab through Monday, with overnight lows in the low to mid-70s.

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