Tornadoes tear through Illinois, Iowa as severe weather roils Midwest

By

Faris Tanyos

News Editor

Faris Tanyos is a news editor for CBSNews.com, where he writes and edits stories and tracks breaking news. He previously worked as a digital news producer at several local news stations up and down the West Coast.

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Updated on: June 18, 2026 / 2:54 AM EDT

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Confirmed tornadoes were reported in Illinois and Iowa Wednesday night as severe weather descended on a large swath of the Midwest .

According to the National Weather Service, a confirmed tornado was reported near the small northeast Iowa community of Harpers Ferry at 5:10 p.m., while a second confirmed tornado rolled through Charleston in central Illinois at about 6:40 p.m. local time.

Both tornadoes were flagged by the weather service as a "particularly dangerous situation," a rare designation used by the weather service for environments in which "strong and violent tornadoes" are possible.

Photos and videos obtained by CBS News showed extensive damage in Charleston, with downed trees and power lines. Hail that measured 2.75 inches was also reported in the Charleston area, according to the weather service.

"There are a large number of trees blocking roadways throughout Charleston at this time," Charleston police said in a Facebook post. "Unless it is an absolute emergency, do not drive or attempt to go anywhere."

The city of Charleston later declared a local state of emergency.

Damage after a tornado struck Charleston, Illinois, on June 17, 2026.

Cameron Craig

One cell phone video captured the terrifying moments what appeared to be a large tornado tore through Effingham, Illinois, located about 40 miles southwest of Charleston.

Larry Thies, coordinator of the Emergency Management Agency for the city of Effingham, told CBS News there was no significant damage reported there but north of the city, buildings were damaged and trees and power lines downed in areas such as Teutopolis, Diedrich and Shumway.

The Effingham County Emergency Management Agency said an "impactful tornado" travelled about 12-15 miles through the northern parts of the county, causing some injuries, but none of them serious. The agency said "there was also extensive damage to multiple residences, businesses, and farms."

The extent of the damage region-wide was unclear. There was no immediate word of injuries or fatalities. CBS News senior meteorologist Rob Marciano said there were at least seven reported tornadoes during the weather event.

According to utility tracker PowerOutage.us, at least 55,000 customers were without power in Illinois.

Earlier Wednesday, Marciano reported that more than 125 million Americans were facing severe weather advisories, including the Gulf Coast states, which were under flood alerts due to Tropical Storm Arthur . Speaking on "CBS Evening News," Marciano said such ripe tornado conditions were rare for June.

"This is unique for June, this is unusual to have such a strong jet stream just screaming across the country, then you've got the summertime tropical moisture coming in…and then some cold air coming in," Marciano said. "And winds coming at different direction, at different levels, creating that spin. So what that equates to is really the high probability of seeing, not just tornadoes, but intense tornadoes of EF2 strength or higher on the ground for a long time. And also damaging winds at 75 mph or higher, and of course big time hail."

Nikki Nolan

contributed to this report.

In:

Weather Forecast

Midwest

Tornado