See also the articles section for HOWTO-style articles and also the support sections of this site.
Manual
There is now a fairly detailed manual for PHP Weathermap 0.97a.
Visual Guide
You might also like this visual guide to the main options in formatting your maps.
Older Versions
The User Manuals for all versions of Weathermap where the manual changed significantly are available here,just in case they're still useful to anybody.