Where's Archie?

Archie, our fun loving family cat of 6 or so years has run away. He's an inside cat and has no front claws so we don't let him out. But he's an escape artist and waits at the door for just the right moment to dash out! He had his moment last Friday and escaped out the back door! Later that evening there was a big storm and even hail! I thought for sure he'd come running back home. He always comes home within a few days.
But it's been 5 days now! We've looked for him outside many times and now I'm really starting to worry. I'll start to cry if I think about it too much.
Where are you Archie?? Come home!!