How2 add a widget for a openweathermap-widget-

i would like to add a widget from the Weather widgets constructor - OpenWeatherMap to HAS

looks like this

<div id="openweathermap-widget-11"></div>
<script src='//openweathermap.org/themes/openweathermap/assets/vendor/owm/js/d3.min.js'><.....

But no idea what HAS Widget can do it.