How hot will it get? Heat warning advisory for large portions of Southern Utah

File photo showing a waterhole once famously featured in "Butch Cassidy and the Sundance Kid," full after a rainstorm, on Petrified Dunes Trail, Snow Canyon State Park, Utah, Oct. 1, 2014 | Photo by Hollie Reina, St. George News

ST. GEORGE — The National Weather Service issued a heat warning for most of Southern Utah on Saturday.

The weather pattern in the days following the predicted weekend thunderstorms is expected to create extreme temperatures in lower Washington County, Zion National Park, Glen Canyon Recreation Area and Lake Powell.

This includes the cities of Big Water, Ivins, St. George, Hurricane, Springdale, Bullfrog and surrounding areas.

According to the weather alert, temperatures are expected to climb on Monday morning in a heatwave that is expected to last until Tuesday, Aug. 6 at 11 p.m.

Radar provided on Saturday, Aug. 3 showing upcoming heat predicted in Southern Utah | Image provided by National Weather Service in Salt Lake City, St. George News

“Dangerously hot conditions with temperatures up to 110 expected in St. George and Zion National Park, and around 105 in Glen Canyon National Recreation Area, will combine with warm overnight low temperatures in the 80s, resulting in very poor relief from the heat,” the weather alert stated.

Weather forecasters are also predicting warmth for residents living north of the Black Ridge. For the same time period, Aug. 5-6, an advisory was issued for western Millard and Juab County, the San Rafael Swell, southwest and southcentral Utah, and Capitol Reef and Canyonlands National Parks.

This includes the cities of Green River, Delta, Torrey, Little Sahara, Kanab, Loa, Hanksville, Cedar City, Escalante, Milford, Goblin Valley, Beaver and surrounding areas.

“Temperatures up to 101 expected,” the alert stated.

Radar provided on Saturday, Aug. 3 showing upcoming heat predicted in Southern Utah | Image provided by National Weather Service in Salt Lake City, St. George News

The National Weather Service warned that heat-related illnesses increase significantly during extreme heat events.

“Heat stress is cumulative, with multiple days of hot temperatures and poor overnight recoveries increasing the chances of heat illness,” the alert warned.

A few safety tips for extreme heat are provided by the National Weather service, including:

  • Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun.
  • Check up on relatives and neighbors.
  • Do not leave young children and pets in unattended vehicles. Car interiors will reach lethal temperatures in a matter of minutes.
  • Take extra precautions when outside. Wear lightweight and loose fitting clothing and try to limit strenuous activities to early morning or evening.
  • Take action when you see symptoms of heat exhaustion and heat stroke.
  • To reduce risk during outdoor work, the Occupational Safety and Health Administration recommends scheduling frequent rest breaks in shaded or air conditioned environments.
  • If you see someone overcome by heat, move them to a cool, shaded location. Call 911 if more assistance is required, heat stroke is an emergency.

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