I just wanted to share it with Vista users:
Simply change http to https in localizedFunctions.js file by right clicking and selecting Edit. ( https://www.wunderground.com.... )
(Path for this hidden file is C:\Users\*YOURNAME*\AppData\Local\Microsoft\Windows Sidebar\Gadgets\WundergroundVistaWidget.gadget.)
Edited by hamluis, 02 November 2016 - 05:15 AM.
Moved from Vista to Tips/Tricks - Hamluis.