Answer:
Though I have neither legs nor feet, my use is for to go; Although I cannot speak, I tell what others want to know
It is destruction made out of thin air, You hear it howl and give a prayer, Through barns and houses it will tear. It is a deadly funnel, Of violent and twisting air.
Until I am measured I am not known, Yet how you miss me when I have flown.
What is it something that you always have but you always leave behind?
Though blind as well, can lead the blind well.
I have two eyes in the front and a lot of eyes on my tail