You can easily calculate it.
Take your classes (preferably core) and give an A = 4, B=3, C=2 and then divide the total points by the # of classes.
A weighted GPA is not something one can compare apples to apples because different high schools calculate it in different ways.
This is why you have to look at some of the other schools listed that will come within budget.
You need to go down in selectivity in the case that PSU doesn’t work out. Some suggestions were made above - and you have Bama - you’ll get in and Culverhouse is an excellent B School.
There were some tips above, if I recall, on maximizing odds for PSU.
Good luck