"In that moment, I couldn't think straight at all and got up and took myself for a walk around the block to gather my thoughts.
"And for the rest of the day, I did my best to keep myself busy and distracted."
"I kept looking at my ticket that day, and even though I'd picked up a Dip ticket, I noticed that many of the numbers were birthdates of family members. It's surreal."
With her partner out of town, the woman faced her next challenge – keeping the exciting news to herself.
"That night, I barely slept, and I haven't eaten much since finding out. But I did grab a pizza yesterday evening to celebrate - that's all I ate that day," the woman said and laughed.
"My partner doesn't know the news yet, but he comes home this evening and I can't wait to tell him – I honestly can't wait to see his face."
With the prize safely claimed, the winner said she was looking forward to paying off the mortgage and setting her family up for the future.
The $6.3m winning Powerball ticket was sold on MyLotto and was made up of $6m from Powerball First Division and $333,333 from Lotto First Division.