[Edit 1730 GMT, 12/04/19] The video has since been taken down off YouTube. Scroll to the bottom to find links to other previews.
A new video preview of the Almuntassir brothers’ Ultra Weather XP V2.5 has emerged in their closed Facebook group. To quote, it shows the “flying through clouds” effects expected in the upcoming update.
The official trailer is to drop within the the next couple of days. Also recently, another video was shown, which you can find here. See further coverage from Threshold here.
Ultra Weather XP also has a Facebook page, which you can check out here.