As my native language is not English, maybe the links to the warning/forecast-data got lost in the translation.
This is an example of the data source I am now using for Canadian users of the Leuven-Template.
https://dd.meteo.gc.ca/citypage_weather/xml/ON/s0000646_e.xml
It contains a detailed hourly forecast, daily text forecast, almanac data, current conditions and warnings, no API-key needed.
This data is available in English and in French, I think for most of Canada.
You can check the 3 demo forecast-pages using this data at https://www.weerstation-herent.be/wsfct4/
When there are no warnings for the demo area, they are not shown.
I do not know if the data is reliable, as there is only 1 Leuven-Template user from Canada
If this xml contains correct data it can be used in the HWS-template for WD also, if there are multiple users interested in it.
It will not make it to the top of the wish-list if only one station wants to use it,
Wim