I use this weather skin for Rainmeter:
https://www.deviantart.com/xenium-art/art/Weather-Zone-UPDATED-26-FEB-2023-839196540
It has the option for forecast or a mini version as pictured in the above link.
Try Winaero Tweaker. Under Advanced Appearance Settings there is a section for Scrollbars which allows you to change the width and button size.
The programme is great because with all the tweaks it provides a link to a webpage that shows you how it works and also how to change it manually like...
You can use a programme called Winbubble for that. There is a Windows 10 version but I am not sure that has the ability to change drive icons, the one for Windows 7 does and I have used it to change the drive icons on Windows 11 (Not all the other tweaks will work though).