Dodeca Weather helps restore the noble d12 to a position of respectability and importance by making it the randomizer that determines your campaign’s weather from day to day.
This printer-friendly, 20-page PDF presents a plethora of tables that help GMs determine daily weather by taking into account season, climate, altitude, and terrain. Dodeca Weather consolidates and expands weather rules in one location. It also includes a reproducible weather worksheet to help organize weather in weekly blocks.
And you get it all for less than $1.00.
For those of you who prefer DriveThruRPG, here’s the link.