Forecast IO Icons Missing [5 days, current day in a big circle]

I have the same problem, see here: Forecast IO Missing Icons

Got around it for now by coping the font files from “xibo\modules\theme\forecastio\weather_icons” to the library manually then adding the following to “Enter the template for the current forecast. For a list of substitutions click “Request Forecast” below.” when overriding the template:

May not be correct or pretty, but for now it works.