Sure, I should have off the bat but was on my iPhone and being lazy.
Here is the forum post: http://rayshobby.net/phpBB3/viewtopic.php?f=28&t=148
He also posted his code on Github: https://github.com/vladbabii/multiweather
Edit: I never noticed his second commit. Looking through it I think it would be easy to formulate the correct parses to grab the data. But, I am not seeing rain fall and other data needed to implement some of the rules we want.
Edit 2: Forecast IO seems to report, precipIntensity. Not sure if that is the value we’re looking for?