I also have real trouble with indecision. What I would do in your situation is flip a coin - that way it is up to the Universe to decide what to do.
You have helped your parents 3 weeks in a row, and I'm assuming you're at work or college during the week, so you could use a break. Your stress about this could be due to the fact you have had so little free time recently - if so, go on a hike and see if you feel better after that.
Alternatively, you could just ask them what they'd prefer. I'm sure if they think you deserve some free time they would say to go for the hike. However, I have no knowledge of hurricanes or the damage they can cause to housing, so i am no authority on this case.
What I do know, however, is if you don't do any of these choices then you will still be unable to sleep because you won't have chosen.
Good luck, I'm sure you will choose the right thing