Snow plows clear Interstate 29 on Thursday, April 11, in Sioux Falls, S.D. Heavy snow and strong winds hammered parts of the central U.S. on Thursday, knocking out power to tens of thousands of people and creating hazardous travel conditions a day after pummeling Colorado. (Briana Sanchez/The Argus Leader via AP)

FARGO, N.D. (AP) — Strong winds and more snow hit the Midwest on Friday following a spring storm that buried several states in snow, while forecasters warned churches in the South to prepare for strong thunderstorms and potential weekend tornadoes.

The storm hovering over parts of Minnesota, South Dakota and North Dakota was the second "bomb cyclone" storm system to hit the region in a month. The blizzard was blamed for hundreds of vehicle crashes in Minnesota and left behind 25 inches of snow (63.5 centimeters) in northeast South Dakota.

Authorities in central Minnesota said lightning struck a tree and a shed in the city of Isanti during a rare "thunder snow" storm, sending the building up in flames.

Flood warnings were issued Friday for the Red River along the Minnesota-North Dakota border, but the river wasn't expected to swell to levels seen during last month's severe Midwest flooding, said National Weather Service forecaster Greg Gust.

Forecasters warned that unseasonably low temperatures would remain through the weekend in the region following a low pressure system in the southwest U.S. that created two separate "chunks of energy," one in the Midwest and one in the South, Gust said.

"It is part of the same one-two punch that has accompanied the storms over the past few months," Gust said. "An upper cut followed by a hook."

Gusty wind, hail and potential tornadoes were forecast Saturday in parts of Louisiana, Mississippi, Arkansas, eastern Texas and western Alabama. Similar weather was forecast Sunday in Georgia and the rest of Alabama, said Adam Baker, a weather service forecaster.

"Even a weak tornado that hits the right location can still be pretty devastating," Baker said.

The National Weather Service office in Birmingham, Alabama, warned churches to have someone monitor the weather during Sunday services amid heightened risk for damaging tornadoes.

The agency advised pastors to figure out the safest location for their congregations in case of severe weather, noting that large open rooms such as sanctuaries and auditoriums weren't safe.

A series of tornadoes on Palm Sunday in 1994 killed 40 people in Georgia and Alabama, and injured hundreds more. Half the deaths occurred when a tornado struck a rural Alabama church during services, causing the roof to collapse, according to a report about the damage by U.S. weather officials.

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Associated Press writer Sudhuin Thanawala contributed to this report from Atlanta.

Waves pound the shoreline at Tettegouche State Park Thursday, April 11, 2019 at Silver Bay, Minn. Wind gusts were up to 50 milers per hour.  (Brian Peterson/Star Tribune via AP)
David Heinold walks his dog Max through the snow Thursday, April 11, 2019, in Sioux Falls, S.D. Heavy snow and strong winds hammered parts of the central U.S. on Thursday, knocking out power to tens of thousands of people and creating hazardous travel conditions a day after pummeling Colorado. (Briana Sanchez/The Argus Leader via AP)
Miguel Leiva shovels his driveway along N. Racine Street during a spring snow storm Thursday, April 11, 2019, in Appleton, Wis.  The second major snowstorm in the region in a month left behind hazardous road conditions, wintertime temperatures and snarled traffic in Colorado and Wyoming.(Dan Powers/The Post-Crescent via AP)
Icicles hang from a light Thursday, April 11, 2019, in Sioux Falls, S.D. Heavy snow and strong winds hammered parts of the central U.S. on Thursday, knocking out power to tens of thousands of people and creating hazardous travel conditions a day after pummeling Colorado. (Briana Sanchez/The Argus Leader via AP)
A tree has fallen to the ground from ice and wind Thursday, April 11, 2019, in Browndale, Minn. A powerful spring snow storm is creating hazardous travel conditions in parts of the Midwest and Great Lakes regions.  (Andrew Link/The Rochester Post-Bulletin via AP)
Freeborn-Mower Cooperative Services journeyman lineman Nick Rolfing, left, and working foreman Russ Nelson, right, change a ground operating switch to direct power to the City of Brownsdale from a different substation Thursday, April 11, 2019, just south of Browndale, Minn. Power lines feeding the town were knocked down by ice and wind. (Andrew Link/The Rochester Post-Bulletin via AP)
A row of power line poles are snapped from ice and wind along Hwy. 56 south of Interstate 90 on Thursday, April 11, 2019, near Browndale, Minn. A powerful spring snow storm is creating hazardous travel conditions in parts of the Midwest and Great Lakes regions. (Andrew Link/The Rochester Post-Bulletin via AP)
North Dakota State University student Adam Wiczek, of Andover, Minn., rakes leaves outside the Alpha Gamme Rho fraternity Thursday, April 11, 2019, at the start of a blizzard in Fargo, N.D. Up to a foot of snow was predicted to fall in the city the fraternity members said they wanted to get the last of the leaves off the lawn before the snow piled up. (AP Photo/Dave Kolpack)
Tree branches lie on the ground Thursday, April 11, 2019, in Sioux Falls, S.D. Heavy snow and strong winds hammered parts of the central U.S. on Thursday, knocking out power to tens of thousands of people and creating hazardous travel conditions a day after pummeling Colorado. (Briana Sanchez/The Argus Leader via AP)
Ginny Klein, a city letter carrier assistant, delivers mail in windy sleeting conditions during a spring snow storm Thursday, April 11, 2019, in Oshkosh, Wis. The second major snowstorm in the region in a month left behind hazardous road conditions, wintertime temperatures and snarled traffic in Colorado and Wyoming.(Dan Powers/The Post-Crescent via AP)