I am new to the prophecy thing but I think I could make decent enough ones. Note: They might be a bit obvious but they will be prophecies none the less.

Cat name:
Gender:
Clan:
Rank:
Situation behind the prophecy:

Example:

Cat name: Whitepaw/feather
Gender: Tom
Clan: WindClan
Rank: Medicine cat apprentice
Situation behind the prophecy: Whitepaw is hated by his family for being half clan half kittypet. As he is shunned by them a dark gray streak forms across his pelt. His mind turns darker and colder as he is unloved and unwelcomed.

A white feather drifts until a harsh breeze blows it toward the abyss.