August 1
In 1968, a total of 6.5 inches of rain flooded Blanding. In 1972, lightning caused all kinds of problems. It struck a tree in Provo and knocked a limb through a window, showering 2 children with glass. Five cattle were also struck and killed in Payson. In Salt Lake City, an outdoor movie theater was hit and set ablaze. In 2006, severe thunderstorms hit south Provo and east Salt Lake City. Provo's storm damaged the Provo Airport with 92 mph winds and hundreds of trees were broken or uprooted. In Millcreek, large trees were uprooted and windows were smashed.
August 2
In 1922, a 6-year old boy drowned in a flash flood in Magna. The flood demolished the family's home. Flooding also caused extensive damage across the Heber Valley. In 1972, lightning struck and killed a migrant farm worker who was weeding beets near Riverton. In 2004, Utah Valley State College had many trees damaged by 60 mph winds. In 2005, a sleeping boy in a cabin was killed by lightning in the Uintas.
August 3
In 1899, a cloudburst in the mountains west of Lehi brought down boulders weighing 500 to 1,000 pounds. In 1951, the worst flooding in 50 years hit Lehi and Alpine. Heavy rains in the local mountains washed out 5 bridges, flooded basements and pastures. Hundreds of thousands of dollars in crop damage was done. In 2005, two to 4 inches of rain flooded the New Harmony area.
August 4
In 1900, a boy drowned in a creek flooded by heavy rain in Orangeville. In 1955, nearly 150 members of a motion picture company filming an episode of "Lone Ranger" near Kanab were marooned by a flash flood for 3 hours. About $100,000 in crop losses were also reported in the area.
August 5
In 1901, a boy drowned while swimming in a gorge 15 miles below Escalante when a flood came down the gully. In 1948, the body of a man was found in a pile of debris after a flash flood near Sunnyside. In 1985, a large dust devil tore the roof off a business in Murray.
August 6
In 1901, two lives were lost and a great deal of damage was done to property west of Scofield when a flash flood moved through the area. In 1967, twenty-nine cars of a Union Pacific freight train were derailed north of Milford by a flash flood. In 1983, four horses were killed by lightning in the Henry Mountains. In 2004, Kanab had 1.72 inches of rain which caused flooding.
August 7
In 1957, a small tornado hit the western part of Salina, Sevier County. It tore the roofs from a turkey processing plant and a service station. It moved north to the town of Redmond and uprooted trees, downed power and telephone lines, and buckled television antennas.
August 8
In 1926, a cloudburst caused several large mudslides in Provo Canyon. Part of the highway was covered by 8 feet of mud. The intake at the Olmstead Power Plant in the mouth of the canyon was covered with 14 feet of mud. In 1963, flooding in Moab destroyed sewer and water mains, roads and the city park.
August 9
In 1950, a hailstorm in Lehi destroyed fruit, grain, and alfalfa. Hundreds of chickens and rabbits perished. Some people were injured. One man's ear was partially torn off. At least 7,000 window panes were shattered. Some of the hailstones were measured from 3 to 6.5 inches in circumference.
August 10
In 1903, a man drowned in a flash flood near Toquerville. In 1955, a monstrous flash flood hit St. George, pouring a five-foot wall of water one mile wide over numerous farms. In 1981, golf-ball sized hail piled up one foot deep in parts of Iron County.
August 11
In 1999, An F2 tornado touched down in downtown Salt Lake City. The tornado lasted 10 minutes and killed one person, injured more than 80 people, and caused more than $170 million in damages. It was the most destructive tornado in Utah's history. The Delta Center was among the structures damaged.
August 12
In 1930, mud and rocks poured out of Snowslide Canyon near Provo for several hours. A large barrier formed in the Provo River that raised the water 8 feet. The water backed up over a highway and some railroad tracks before it was released two weeks later. In 1968, lightning struck and injured 2 fishermen on Panguitch Lake.
August 13
In 1906, Tropic had 2 inches of rain in 2 hours. In 1923, flash floods killed 7 people in Farmington Canyon and 2 women in Willard Canyon In 1984, A tornado briefly touched down about five miles south of Provo near the shore of Utah Lake. A wind gust of 89 mph was recorded shortly thereafter at BYU. No damage was reported.
August 14
In 1968, A tornado moved through downtown Salt Lake City. The circulation was initially observed over the Salt Palace. The tornado then moved across ZCMI and the University Club. Windows in the upper floors of ZCMI were shattered. Another tornado hit West Weber the same day.
August 15
In 1983, a mudslide 40 feet wide and 3 feet deep covered a portion of the Alpine Loop in Provo Canyon. In 1984, a tornado touched down 5 miles south of Manti. Farther west, a flash flood washed cars off of I-15 between Nephi and Levan. In 2005, a sudden dust storm was responsible for the death a woman in a car accident near Fillmore.
August 16
In 1889, a waterspout was observed over the Great Salt Lake near Garfield Beach. The pavilion next to the railroad was covered by an inch of water and an excursion boat was almost swamped. A flash flood also drowned a boy, some cattle, and horses near Mayfield.
August 17
In 1883, a flood in Spanish Fork Canyon swept away a lumber mill and some cabins. In 1959, gale force winds and a cloudburst hit Provo. A baby had to be evacuated out a window when 3 feet of water blocked the doors of the home. In 1969, severe flooding hit the Salt Lake Valley causing an earthen dam to give way.
August 18
In 1944, a flash flood 15 feet deep roared through the town of Fruita. All roads were washed away. In 1977, the remnants of Hurricane Doreen moved through northern Utah. In the Cache Valley, 3.84 inches of rain fell in 20 hours. Twenty-foot deep gullies were created on the benches of River Heights as a result.
August 19
In 1869, Utah's first officially reported tornadic activity occurred. It was described as a "funnel-shaped waterspout" and apparently formed over the American Fork River in American Fork Canyon. Seven bridges were washed out and damages to roads were estimated at $1,500. In 1945, a major rain, hail and wind storm caused $5000,000 in damage in Salt Lake City.
August 20
In 1957, flash floods near Kanab and Moab stranded hundreds of people. In 1986, strong winds in Orem tore the roof from a house. In 1998, a tornado touched down briefly at the Weber Memorial Campground in the Causey area of Weber County. Several eyewitnesses reported a sudden strong wind followed by a funnel that touched down and left a path of destruction about 50 yards wide and 300 yards long. Five people were injured.
August 21
In 1932, Escalante and Antimony received the "greatest floods ever known." Nearly 3" of rain fell in 2 hours. In 1975, hail broke windows and destroyed crops in Washington County. In 1983, golf-ball size hail pelted parts of northern Utah. At least 15 windshields were broken in cars traveling on I-15. In 2003, a flash flood hit Hurricane and a waterspout was spotted over the Great Salt Lake.
August 22
In 1896, a wagon of laborers was caught in a flooded stream near Clear Creek Canyon in Sevier County, killing 1 man. In 1960, winds demolished a mink shed in American Fork, turning loose 175 mink. Also, 150 bales of straw in one field were picked up by the winds and deposited into another field in Highland. In 2003, a tornado was spotted about 10 miles south of Levan.
August 23
In 1951, lightning struck a barn in Payson, killing a horse. In 1977, a fire captain in Salt Lake was injured by lightning while he was repairing a roof. In 2000, two firefighters under a tree were killed by lightning in the Stansbury mountains of Tooele County. In 2003, a major flash flood damaged homes in Tropic.
August 24
In 1946, a 30-minute deluge near Pelican Point on Utah Lake filled a five-mile section of canal with mud and debris. Rabbits and birds drowned. Roads were covered with 3 feet of mud, debris and boulders for 4 miles. It was reported that a bucket 11" deep was filled to overflowing.
August 25
In 1956, a farmer was killed by lightning while bailing straw near Manti. In 1957, Kanab had hail pile up 2" deep in 19 minutes. In 1961, a flash flood near Alpine brought mud and rocks down a canyon, damaging a hydroelectric power plant. In 1984, hail piled up 6" deep in Dugway.
August 26
In 1952, one man drowned when a cloudburst flooded the tunnel in which he was working at Buckhorn Wash near Castle Dale. In 1985, microburst winds of 70 mph caused damage throughout the southern Salt Lake Valley. Six planes were damaged at the airport in West Jordan. In 2004, a front brought cold and an early snow to Utah's mountains.
August 27
In 1953, a flash flood resulted from a one-hour downpour in Arches National Park. Fifty feet of the roadway was submerged under 3 feet of water. The flood forced the closure of the monument entrance stranding 25 people for six hours. In 1985, a microburst of 72 mph hit the Great Salt Lake.
August 28
In 1964, a small tornado moved across Gunnison. The path of the tornado was 10 yards wide and three-fourths of a mile long. A chicken coop had its rear wall blown out. Three large plate glass windows in a service station were shattered, damaging two automobiles. In 1971, flash floods caused 15 car accidents and 2 deaths in Utah.
August 29
In 1969, a 7-day downpour of rain in Moab brought a total of 6.25 inches In 1982, lightning blew a 1 by 2 foot hole in the blacktop at the Salt Lake Airport. In 2002, it was a "hail" of a day! Golf-ball sized hail was reported in Helper. Two-inch diameter hail was also reported west of Price. One-quarter inch hail fell in Emery. Flooding was reported in Monument Valley as 1.44" came down. Goblin Valley also had a rare heavy downpour.
August 30
In 1992, a tornado touched down in the Salt Lake Valley. It formed near the Kennecott Mines on the Oquirrh Mountains, and lasted about 15 minutes as it moved into Kearns. The path length was less than 1 mile and it was 200 yards wide. As it passed over some power lines they arched. No damage or injuries were reported. In 1993, a hard freeze hit northern Utah as Randolph dropped to 23 degrees.
August 31
In 1939, a woman was swept to her death by a flash flood at the head of Diamond Creek in the Book Cliffs near Cisco. In 1977, lightning struck a herd of sheep near Orangeville. It killed 14 lambs, burning the wool around their ears and stomachs. In 1986, a tornado crossed the Green River and hit Canyonlands NP. In 2005, record cold hit Utah with Alta at 32 degrees and Brian Head with 29 degrees. SEPTEMBER