Is this something worth going to an urgent care/ER for or

Should I wait till Tuesday to see a doc? Anyone please help! Anyone deal with a randomly severely heavy period? I started my period 5 days ago. It was very heavy from the beginning like a heavy size pad every hour. It’s been like this up until now. It hasn’t slowed down at all. My periods are normally regular and are gone by day 5. I know I did not miscarry as I have had no unprotected sex so I could not have been pregnant. I’m starting to feel so sluggish and it’s worrying me that I may have already lost too much blood. Can I bleed out and die from this from now till Tuesday? Should I go be seen somewhere now or wait it out? Please help so nervous I have 3 little ones to take care of so I don’t want to take any chances. Anyone experience anything like this before?