I got some time recently to update my GNOME Shell weather extension. Most of the changes were minor. Version 2.5 is now available at fpmurphy.com or on GitHub.
Here is what the weather panel looks like:
This is the configuration panel for the extension:
If anybody is a graphics artist and can develop a nicer set of weather icons (approx 60), I would welcome their help.
This version works with Gnome Shell 3.4 and has been tested with Fedora 17.