//download the latest wordpress latest.zip
wp core download

//update config file with database deets
wp core config --dbname=databasename --dbuser=root --dbpass=root --dbhost=localhost --dbprefix=prfx_

//install wordpress locally with these deets
wp core install --url=example.dev  --title="Cool New Project" --admin_user=annie --admin_password=admin_password --admin_email="anniemccance@gmail.com"