You can use the tags from the taglist.txt file in the main WD program folder.
My own Twitter feed looks like this:
Latest Weather Report at %time%: Wind:%dirlabel% at %avnodpmph%mph Temp:%tempnodp% Baro:%baro%hPa Rain Today:%dayrn%mm #weather
Producing this:
Latest Weather Report at 09:18: Wind:ENE at 2mph Temp:5 Baro:1014.2hPa Rain Today: 0.0mm #weather