Beshear announced one additional death in Graves County, four in Hopkins County, three in Warren County and one in Franklin County. He added 109 Kentuckians are still unaccounted for officially but cautioned the actual figure is likely higher.
More than 26,000 were still without power Monday afternoon, emergency management officials said.
After Gov. Andy Beshear confirmed earlier Monday the tornadoes have resulted in at least 64 deaths, additional reports from county coroners have bumped Kentucky's death toll to 67.
Seven of the victims were younger than 18, with two infants among the dead.
Beshear's office said 18 people who died in the storm have yet to be identified.
President Joe Biden will visit Kentucky on Wednesday, according to the White House.
Biden is planning to travel to Fort Campbell on Wednesday for a storm briefing and will also visit Mayfield and Dawson Springs, two of the towns hit hardest by the weekend tornadoes and storms, to survey the damage.
Additional details will be released before the trip, according to the White House.
In Bowling Green, Western Kentucky University President Tim Caboni said the WKU Jody Richards Hall Computer Lab is now open on campus for those in need of internet access following the storms.
The lab will be open from 8 a.m. to 8 p.m. from Monday through Friday, Caboni said.
10 a.m.: Beshear says Kentucky tornado death toll is up to 64, at least 105 unaccounted for
Kentucky Gov. Andy Beshear said during a Monday morning news conference in Frankfort that the confirmed death toll from the weekend tornadoes and storms is up to 64, with at least 105 Kentuckians unaccounted for.
The death toll could rise "certainly above 70" and "maybe even 80," the governor added, explaining it may take a week or longer to get a final count.
Beshear said President Joe Biden will visit Kentucky, and the governor said he thinks the main tornado that devastated Western Kentucky may end up getting categorized as an EF5.
The National Weather Service survey of tornado damage is ongoing , with preliminary reviews finding the twister may have been at least an EF3 with wind speeds topping 160 mph.
While choking up, Beshear said the youngest victim so far was 5 months old and the oldest victim was 86 years old.
He said the state is also working to "actively confirm" comments from the CEO of the Mayfield candle factory that 110 workers were inside of Friday night when the tornado hit and several damaged the building.
Mayfield tornado: What to know about the Kentucky candle plant that a tornado destroyed with workers inside
The CEO of Mayfield Consumer Products told media outlets Sunday that 94 workers are alive and accounted for, with eight confirmed dead and eight still missing.
"We are working to confirm that," Beshear said Monday. "We feared much, much worse, and again, I pray it is accurate."
The governor said the candle factory's owner made "several contacts" with his office Sunday and is coordinating with recovery crews on the ground. Kentucky State Police is verifying the information from the factory, Beshear also said.
The 64 confirmed deaths, Beshear said, occurred in the following nine counties:
Graves County (20 deaths)
Hopkins County (13 deaths)
Warren County (12 deaths)
Muhlenberg County (11 deaths, a revision from the initial report of 12 deaths)
Caldwell County (four deaths)
Marshall County (one death)
Taylor County (one death)
Fulton County (one death)
Lyon County (one death)
Beshear also said 18 total counties have sustained damage following the weekend tornado system, with at least 1,000 homes destroyed. He said total damage costs are still being determined but are in the "hundreds of millions of dollars, at least."
The governor has ordered flags at state office buildings to be lowered to half-staff for one week starting Tuesday in honor of Kentuckians who have been impacted by the tornadoes.
He said the Team Western Kentucky Tornado Relief Fund has raised over $4 million from 30,175 donations and will provide $5,000 to each victim’s family for funeral expenses. There is no need to apply, as the state will work to contact families.
"We’re going to keep putting one foot in front of the other and pushing through this," Beshear said. "...To the people in Western Kentucky, we're not going anywhere."
Kentucky Emergency Management Director Michael Dossett said the state had 28,531 outages as of 10:15 a.m. Monday, with 8,000 power poles down and at least 97 power structures damaged during the storm, which had four separate tornadoes track through Western Kentucky and part of Central Kentucky.
At least 300 National Guard members have deployed to the region to help, and Kentucky State Parks in the area are now open to host families who need housing for at least two weeks.
Three water systems in the state are not operational, impacting over 10,000 customers, and 11 systems also have boil water advisories impacting about 17,000 customers, according to Dossett.
Generators are also in use or arriving to facilities and shelters in need, such as the Mills Nursing and Rehabilitation Center in Mayfield and Dawson Springs Independent School in Hopkins County, Dossett said.
Dossett said crews are “bulk drop shippping” bottled water to command centers across the commonwealth.
The restoration efforts, Dossett added, will not take weeks or months.
"This will go on for years," Dossett said. "This is a massive event, the largest and most devastating in Kentucky's history."
Remembering tornado victims: Kentucky tornado death count surpasses 60 victims. Here are the names we know
FEMA Regional Administrator Gracia Szczech , who oversees Kentucky and other states in the federal agency's Region 4, said Biden ordered Sunday night a "major declaration" for eight counties that suffered damage: Caldwell, Fulton, Graves, Hopkins, Warren, Marshall, Taylor and Muhlenberg counties.
More counties could get added to the major declaration, which makes available assistance for individuals, homeowners and renters, Szczech said.
Those applying for assistance, which could include temporary housing, rental support, repairs or low-interest loans for small businesses, can visit disasterassistance.gov or call 1-800-621-3362. according to Szczech.
FEMA personnel with Disaster Survivor Assistance teams will go door to door in the eight counties to make sure affected homeowners are registered for assistance and receive a nine-digit number to keep track of any FEMA aid.
Public agencies in some of the affected counties also now have "category A" clearance, which will allow them to get reimbursed by the federal government for up to 75% of debris removal costs, Szczech said, encouraging local governments to document their recovery work.
FEMA is looking at how to help with emergency repairs for water and wastewater systems, Szczech said.
The leaders at Monday morning's news conference added that four federal Urban Search and Rescue teams are on the ground in Graves County, with one team at the candle factory.
8 a.m.: Beshear to give update Monday morning, AT&T waiving overage fees
Gov. Andy Beshear and Kentucky Emergency Management Director Michael Dossett will provide updates on the damage and the state's response to the tornadoes during a 10 a.m. news conference from the state Capitol in Frankfort.
AT&T also has announced it is waiving overage charges to provide unlimited talk, text and data for its postpaid and prepaid customers with billing addresses in ZIP codes across Kentucky, Tennessee, Arkansas, Illinois and Missouri from Saturday through Wednesday.
Kentucky tornado relief: How to help Kentucky tornado victims: donate to relief funds, supplies and blood drives
Customers in these areas may still receive alerts during these dates, but accounts will reflect the credits and/or waived data, voice and text charges, according to AT&T.
AT&T said Sunday its wireless network was performing at 97% of its normal level in Kentucky and seeing "improvement to our wireline network as our teams continue to assess damages and restore service."
6 a.m.: Thousands in Kentucky remain without power Monday
Thousands remain without power in numerous Kentucky counties as recovery efforts continue Monday following the weekend's destructive tornadoes and storms.
KU and LG&E reported over 8,600 customers without power as of 6 a.m. Monday.
The outages include roughly 6,500 customers in Hopkins County, where the town of Dawson Springs was hit hard .
Christian County had just over 900 outages, Caldwell County had roughly 670 outages and Muhlenberg County had about 435 outages, according to the utility's outage map.
In Graves County, where the county seat of Mayfield was leveled late Friday by a tornado, over 5,200 power outages were still reported as of Monday morning, according to PowerOutage.us.
Neighboring Fulton County had just under 950 outages, Hickman County had about 1,200 outages and Carlisle County had about 660 outages, the state outage map showed as of 6:30 a.m. Monday.
Mary Ramsey is a breaking news reporter for The Courier Journal. Reach her at mramsey@gannett.com , and follow her on Twitter @mcolleen1996 . Support strong local journalism in our community by subscribing to The Courier Journal today.