rain - https://ja.wikipedia.org/wiki/雨
field - https://ja.wikipedia.org/wiki/田
thunder - https://ja.wikipedia.org/wiki/雷
rice - https://ja.wikipedia.org/wiki/稲
wife - https://ja.wikipedia.org/wiki/妻
lightning - http://nihongo.monash.edu/cgi-bin/wwwjdic?1MDJ%B0%F0%BA%CA
rain - https://en.wiktionary.org/wiki/雨
field - https://en.wiktionary.org/wiki/田
thunder - https://en.wiktionary.org/wiki/雷
Note that the "glyph origin" section describes 雷 as an ancient simplification of the phono-semantic compound 靁, where 畾 indicates the pronunciation. Any relation to rice paddies is probably a post-hoc rationalization.
rice - https://en.wiktionary.org/wiki/稲
wife - https://en.wiktionary.org/wiki/妻
lightning - https://en.wiktionary.org/wiki/稲妻
rain - https://ja.wikipedia.org/wiki/雨
field - https://ja.wikipedia.org/wiki/田
thunder - https://ja.wikipedia.org/wiki/雷
rice - https://ja.wikipedia.org/wiki/稲
wife - https://ja.wikipedia.org/wiki/妻
lightning - http://nihongo.monash.edu/cgi-bin/wwwjdic?1MDJ%B0%F0%BA%CA