Use toolbar button to view current weather & forecast, from Weather Underground, in the sidebar or in a new tab.

"Forecast & Weather on the Side" has three display modes for the toolbar button. Select "Open in a New Tab", in Options, to open the Weather Underground website, whenever the toolbar button is clicked, in a new tab or to restore focus to an existing tab. Ctrl-click of the toolbar button always opens Weather Underground website in a new or existing tab (regardless of Options settings). Select "Show in Sidebar", in Options, to open the Weather Underground website, whenever the toolbar button is clicked, in the Sidebar. Right-click the toolbar button to close the sidebar. Select "Toggle Sidebar", in Options, to toggle the webpanel sidebar open or close, whenever the toolbar button is clicked. Right-click the toolbar button, at any time, to close any open sidebar.