With Weather Preset Pro now available on Xbox through the in-sim Marketplace, we are aware of an issue that may mean the presets don't appear initially.
If you find after purchasing you don't see the presets in your weather preset section (main menu or in the simulator), you will need to:
1 - Restart the simulator from the Xbox main menu.
2 - Restart the console
Both solutions should then work.
Once done, relaunch the simulator and you will then see the weather presets selectable from the weather menus.