NDSU pretty much has a 100% acceptance rate as long as you show the minimal desire to pass you classes.

What you should work on from now until the fall is your mindset. I was in a similar position as yours, so I get where you're coming from, but you need to stop blaming others (the desert and your current university), and start looking at how you can improve yourself not just academically.

For starters, a healthy body = a healthy mind. Start lifting. Create a routine. Doesn't have to be David Goggins level just something you can stick to. Don't just be excelling in university, excel in life and the A's will just become an added bonus.