Related Clues:

• Gathering clouds, say
• Prophet's wish
• Breaking a mirror, maybe?
• Danger sign
• Sign of what's coming
• Foreboding sign
• Prophet's reading
• Gregory Peck horror flick (with "The")
• Rainbow, to some
• Good sign or bad sign
• Hint of the future
• Broken mirror, say
• Eerie clue
• Bad sign
• Advance warning