The search for a missing Arkansas mother who left home with her six-week-old baby daughter and was last seen walking towards the water enters its third week.

Ashlynn Bocksnick, 20, was last seen on June 25 leaving a home in Dardanelle, about 80 miles northwest of Little Rock, with her newborn Lalynn Dream Williams.

The Dardanelle Police Department said they had been called to the home around 2.50am in reference to a 'possible suicidal person,' and learned that Bocksnick and her daughter were gone.

About two hours later, police officers found the vehicle parked on the boat ramp at Veteran's Park near the Arkansas River, but Bocksnick and her baby were not found.

A surveillance camera captured her pulling into the parking lot and up to the boat ramp.

She left the vehicle and opened the rear passenger side door, where she leaned in for about one minute, according to police.

Bocksnick then picked something up, which authorities said was 'unsightable' due to the distance. 'You cannot see Lalynn but her car seat was exactly where she was leaning into.'

She was then seen walking towards the water and entering it, though it was not clear if she was holding her six-week-old baby.

As Dardanelle police and other authorities continue looking for Bocksnick and her newborn, they have clarified that the case is not a homicide.

Bocksnick's disappearance is being investigated as a missing person case, with no foul play suspected, police said in a Friday update.

Authorities added that no arguments happened at her home before she left shortly before 2.50am.

However, the person who made the 911 call was 'concerned about the safety of Ashlynn and Lalynn because of statements she had made prior to leaving the house.'

The missing mother left her phone at the residence before she disappeared, according to law enforcement.

Police have obtained Bocksnick's iPhone from her mother, and a search warrant has been obtained to enter the device.

However, Bocksnick's phone is locked with a password that is unknown to authorities, police said.

The FBI is currently helping in the investigation to see if they can enter the phone and find anything relevant to the disappearance.

A public social media profile showed that Bocksnick, while pregnant, posted about how she could not wait to meet her daughter.

Federal authorities also have surveillance video from City Hall as they look to assist in the investigation.

A search warrant was obtained for Bocksnick's bank accounts, as well. No movement was spotted.

Crews are still on the river looking for Bocksnick and her daughter Lalynn, with another massive search scheduled for this Saturday.

The search was announced by Dardanelle Mayor Jimmy Witt during Monday's City Council meeting, according to the Courier News.

The US Army Corps of Engineers is expected to drop the water flow on Friday to 50,000 cubic feet per second, which Witt called 'huge' in the search, per the outlet.

'The water is really going to drop and it's really going to make a difference in us having some capabilities in searching areas that we have not been able to get a good look at,' Witt said.

The mayor said that it had been a 'stressful time, mentally and physically' for the small Arkansas town.

'I'm just very appreciative of all the help and how this community always shows up when we need it every time,' Witt added.

So far, 85 miles of the river have been searched, which consists of Dardanelle Lock and Dam to the River Bridge in Little Rock.

Boats have also searched from River Bridge in Little Rock to Toad Suck in Conway, Toad Suck to Morrilton, Morrilton to the Dardanelle Lock & Dam and back to the River Bridge in Little Rock from Dardanelle.

To date, 36 agencies across Arkansas have helped in the search for the missing mother and daughter.

Five drone teams and civilian boats, seven K-9 teams, a survival flight helicopter and a personal airplane have all been used.

Divers reported one-to-two-inch visibility underwater, according to authorities.

With the current water flow, that makes it impossible to properly search the river.

There is also debris at the bottom of the river, which has caused issues for the crews scanning from above in the search.

The Arkansas State Police, which is investigating the case, told the Daily Mail on Thursday evening that there was no new information to release at this time.