The Weather Machine in 99 Nights in the Forest costs 50 Wood, 50 Scrap, and 1 Forest Gem to craft. It’s a Tier 5 item and, once charged, it stops rain and storms for 3 days.

Cost

  • 50 Wood
  • 50 Scrap
  • 1 Forest Gem

What it does

  • Prevents rain and thunderstorms.
  • Works for 3 in-game days after charging.

Notes

Some guides and community posts describe slightly different material names or counts for related Tier 5 items, but the Weather Machine recipe in the crafting guide is listed as Wood, Scrap, and a Forest Gem.

TL;DR: 50 Wood + 50 Scrap + 1 Forest Gem.