can I have a conditional within a conditional statement

For example:

I said to my friend: I will go workout today….if it is sunny outside
(however, I did not want it to sound like it was a guarantee that IF it is sunny outside, THEN I will go workout today)
So I added: if my muscles aren’t sore

So in entirety I said: I will go work out today…if it is sunny outside… if my muscles aren’t sore

Which interpretation is correct:

1. IF my muscles aren’t sore, THEN I will go work out today if it is sunny outside

OR

2. IF it is sunny outside if my muscles aren’t sore (if it is true that IF my muscles aren’t sore, THEN it is sunny outside, that is, whether or not it is sunny outside, is dependent upon my muscles not being sore), THEN I will go work out today

My intention was the first statement, but the more I thought about the sum of all of the words added together, I began to wonder if the second interpretation is plausable too (my reasoning is no, because an if clause has to modify the main clause and "it is sunny outside" is not an independent or main clause since it is contained within a subordinate clause); which would be very confusing as both interpretations mean very different things.