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Tuesday storm was second derecho of summer, stretching from central Montana to Lake Michigan

Have additional storm reports you’d like included? Send them to dailynews@mitchellrepublic.com.

The National Weather Service published this map of weather warnings associated with a July 6, 2022, derecho which impacted areas from central Montana to Lake Michigan.
Map courtesy of the National Weather Service
We are part of The Trust Project.

MITCHELL — A widespread storm that struck much of eastern South Dakota on Tuesday has been labeled a derecho, making it the second such storm to strike the region this summer.

Meteorologists cautioned against ruling out the chance for another derecho to strike. Two months later, in July, a second one hit.

According to the National Weather Service, a derecho is a widespread, long-lived wind storm consisting of wind speeds greater than 58 mph with a damage swathe spreading more than 240 miles. The term “derecho” translates from Spanish as “direct” or “straight ahead,” and typically features straight-line winds, as opposed to a tornado, which features rotating winds.

Tuesday’s storm — which was first labeled a severe thunderstorm near Livingston, Montana — stretched roughly 1,150 miles while maintaining a severe categorization. Weakening as it moved east, the system dropped below a severe categorization as it reached Lake Michigan along the Illinois-Wisconsin border.

Tuesday’s derecho was the second derecho to strike eastern South Dakota this summer. A May 12 storm dealt massive amounts of damage, and, at the request of Gov. Kristi Noem, was recently labeled a disaster by President Joe Biden.

Though the latest derecho wasn’t as severe as the May derecho, significant damage was still dealt to area towns.


Here’s a look at the damage from Tuesday’s storm:


A powerful storm made its way through the Mitchell area on Tuesday, knocking down tree branches and causing power outages for some parts of the city.

The storm hit Mitchell around 2 p.m. and brought strong winds gusting as high as 75 mph during the peak of the storm, according to the National Weather Service in Sioux Falls. Nearly an inch of rain was recorded in Mitchell, the National Weather Service said.

Portions of the city experienced power outages, including a large stretch of Main Street where some businesses closed due to the storm. Power returned to the downtown area after a few hours after going dark shortly after 3 p.m.

The north side of Mitchell around the lake was hit hard. The powerful winds caused several watercrafts along Lake Mitchell to drift away from docks and boat lifts.

During the peak of the storm, a pontoon boat flipped upside down while fastened to a boat lift and drifted across the south side of the lake.

After the storm subsided around 4 p.m., crews had to remove several branches from streets to clear paths for ongoing traffic. Tree damage near Monroe Park at West 12th Avenue and North Edmunds Street forced a temporary street closure on Tuesday evening.



A weather station roughly a mile to the south-southwest of Howard recorded a peak wind speed of 98 mph. In town, significant damage was sustained to an agricultural building at 3:06 p.m., according to an estimate using radar tracking techniques.

Lake Vermillion Recreation Area

Park officials at Lake Vermillion Recreation Area reported only minimal damage to trees. One park official estimated wind speeds sustained at approximately 80 mph for roughly 45 minutes before subsiding. Damage to the park consisted mostly of smaller trees uprooting and loose items blowing around.

A tree at Lake Vermillion Recreation Area was split down the middle after a storm rolled through on Tuesday, July 5, 2022.
Submitted photo

McCook County

Canistota, Montrose, Salem, Spencer
Various damage was recorded across McCook County, as destructive winds and hail struck Montrose, Salem and Spencer. The Salem Armory sustained significant damage to its roof, while wind speeds were recorded as high as 80 mph to the west in Spencer with quarter-sized hail. According to McCook County Emergency Manager BJ Stiefvater, Canistota was without power in the aftermath of the storm, likely due to a blown main transmission line. As the storm rolled through, a tornado warning was issued for an area immediately east of Salem, including Montrose. Stiefvater said there was no evidence of a tornado that touched down in the area.


A resident of Promise, roughly 30 minutes south of Mobridge, shared this photo of a hailstone that fell on her property.
Photo courtesy of Sarah Mowrer

Heavy rainfall and massive hailstones were the story in Promise, an unincorporated community roughly 30 minutes southwest of Mobridge. Sarah Mowrer, a resident of the Promise area, reported seeing 2.5 inches of rain and hailstones the size of softballs. In a Facebook post that's since amassed over 4,000 shares, Mowrer reported that the windows on her home didn't shatter despite the hail.

Sioux Falls

The storm crashed into Sioux Falls at about 3:45 pm, an eerie green sky giving way to torrential rain. The National Weather Service clocked winds gusting as high as 80 mph at the Sioux Falls airport. The wind blew over numerous trees and damaged power lines, cutting power to about 27,000 Xcel Energy customers in the city as of 6 p.m. Tuesday.

A Sioux Falls resident captured this time lapse from the corner of 6th Street and Phillips Avenue as clouds rolled into town on Tuesday, July 5, 2022.
Video courtesy of Brianna Schreurs

Some parts of the area received 3 inches of rain over a short period, and flash flooding inundated some low-lying areas, stranding drivers who braved the water-covered road. No injuries or fatalities were reported.



Semis were tipped and trees were uprooted as winds in and around Woonsocket reached 80 mph at approximately 2 p.m. Crews were on scene after the storm had passed to begin cleanup.

EDITOR’S NOTE: Storm reports are gathered from a variety of sources and are updated as they are received. Have additional storm reports you’d like included? Send them to dailynews@mitchellrepublic.com.

Our newsroom occasionally reports stories under a byline of "Mitchell Republic." Often, the "Mitchell Republic" byline is used when rewriting basic news briefs that originate from official sources, such as a city press release about a road closure, and which require little or no reporting. At times, this byline is used when a news story includes numerous authors or when the story is formed by aggregating previously reported news from various sources. If outside sources are used, it is noted within the story.
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