I’ve found three useful tracking sites.
https://www.longtrailsweather.net/azt/forecast.html
Includes forecasts https://caminoweather.com/arizona_trail/. https://caminoweather.com/arizona_trail/example/march is a sample prediction.
The one I’ve yet to get working right. https://www.ontrailweather.com/map/Arizona-Trail/meta.