hi everybody,
there are some useful links here about your unit:
weather vocabulary quiz
http://www.englishclub.com/speaking/weather-vocabulary-quiz.htm
weather dictionary:
http://www.weather.com/glossary/
weather pop quiz from BBC
http://www.bbc.co.uk/apps/ifl/worldservice/quiznet/quizengine?ContentType=text/html;quiz=1258_weather
weather vocab with pronunciation
http://www.languageguide.org/english/vocabulary/weather/
last one
http://www.englishclub.com/vocabulary/weather-vocabulary.htm