Record rain in Delta, Southern Utah flood warnings: Weather makes for a rough Wednesday in Utah

During a rain shower in Salt Lake City on Wednesday, raindrops fall into a puddle. Heavy rains from thunderstorms sweeping through Utah created problems across the state, including power outages, traffic delays, school closings and temporary evacuations. (Kristin Murphy, Desert News)

MAPLETON – Heavy rain from thunderstorms that swept through Utah on Wednesday caused problems across the state, including power outages, traffic delays, school closings and temporary evacuations.

Floods in Northern Utah

The National Weather Service informed Mapleton Police that an approaching afternoon storm created a flash flood hazard over the fire scar area of ​​Ether Hollow, which briefly resulted in evacuations in designated areas, but those evacuations were lifted around 5 p.m.

Mapleton Police still urged the public to avoid traveling on 1600 northeast by 1700 east.

Meanwhile, “significant” flooding on I-215 at 3300 South near West Valley City caused the Utah Highway Patrol to close the highway just before 3 p.m.

Salt Lake County’s emergency management is monitoring weather conditions, it will likely rain all night. Thousands of sandbags were used in parts of the valley. Remember, don’t try to drive through flooded streets.

– SLCo emergency manager. (@SLCoEmerMngt) August 18, 2021

Cottonwood Heights and Salt Lake City Emergency Management both announced that sandbags would be available to the public during the floods and storms.

Weather conditions earlier in the day caused a semi-trailer truck carrying groceries to crash on I-125 northbound to I-80 westbound, Utah Highway Patrol Sgt. Cameron Roden said. The truck slid off the road and hit the barrier on the right, with the truck’s cab hanging over the east side of the building. The driver was not injured. UHP closed the driveway from I-215 north to I-80 west while clearing the road.

The water level and current of Midas Creek continue to increase and our bad trail has been washed out again.

What was rare in the past now happens twice a month.

– Herriman City (@HerrimanCity) August 18, 2021

Floods in central Utah

Delta and surrounding cities were also badly hit by flooding during the storm, resulting in the school day in Delta being canceled.

The National Weather Service reported confirmed rain of 4.39 inches from Tuesday 5 p.m. to Wednesday 5 p.m. in Delta, breaking the previous 24-hour record of 1.45 inches.

Three delta schools have water damage, said Superintendent David V. Styler.

The city’s sewer and drainage systems are also congested, he added, and some streets have floods between 8 and 10 inches deep.

Between 20 and 30 district workers experienced flooding in their homes and in surrounding towns including Sutherland, Hinckley, Deseret and Oasis, when there was a power cut.

“And the children in the city are being asked not to use the sewage system – so no showers and the like – so much general chaos in the houses and families as well as the damage to our schools,” said Styler.

Severe flooding occurred in the delta on Wednesday.Severe flooding occurred in the delta on Wednesday. (Photo: Lucia Smith)

The roof of the Delta North Elementary was just being replaced and the work was not yet fully completed, said the superintendent. This allowed some water to enter the building.

While district officials originally planned for a late start on Wednesday, they decided to instead give everyone time to deal with the storm-related issues.

It is disappointing to cancel the first day of school as many were excited and had “high expectations,” said Styler.

The district has asked staff, parents and students to check on their neighbors and see who needs help. Officials will use this data to “regroup” and return to work Thursday, Styler said.

Our Delta COOP observer reported confirmed 4.39 inches of rain from 5:00 p.m. last night through 5:00 p.m. tonight, breaking the previous 24-hour record of 1.45 inches! #utwx

– NWS Salt Lake City (@NWSSaltLakeCity) August 19, 2021

Flash flood warnings in southern Utah

Flash flood warnings have been issued for Counties Iron, Garfield, Kane and Washington, according to the National Weather Service.

Cedar City Mayor Maile Wilson-Edwards said on social media it was “hands on deck” as residents work to clear up large rocks and debris that has traveled along Coal Creek.

“In view of the extensive rain on the mountain and in the entire district, we are experiencing floods again. We remain under flash flood warnings, ”she said.

Power outages

The state has also experienced significant blackouts from Ogden to Fillmore. Most of the outages affected Counties Weber and Davis, according to Rocky Mountain Power. At the start of the day, around 6,000 households were without electricity. That number fluctuated throughout the day, but by 5:30 p.m., outages across Utah had dropped to 1,648 customers.

In Bountiful, city officials said a tree branch dropped a power line in the 200 West to 500 West area from 1000 North to 1400 North, causing a power outage. Power should be restored around 9:30 a.m.

The Utah Transit Authority announced that FrontRunner trains had stopped early Wednesday due to an interrupted power line between Woods Cross and North Temple stations. A bus bridge was built between Woods Cross and North Temple and travelers were advised to expect “significant delays” in either direction.

Get the weather forecast at the KSL weather center.

This story will be updated.

Contribute: Ashley Fredde,



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