up, up and away. maybe. >> i-95 corridor -- >> reporter: very powerful winds. >> this wind could affect the balloons. >> reporter: the thanksgiving day parade giant balloons. will they fly or won't that i. jose and his family are hoping to see them soar. >> came all the way from puerto rico to see the parade, so it would be a disappointment. >> reporter: same from this family. >> they have to fly. somebody has to make them fly. >> reporter: parade organizers aren't concerned about rain or snow. it's wind. giant balloons like the all new toothless from "how to train your dragon" measuring 72 feet long and 36 feet wide could be grounded. that is if some forecasts are true and sustained winds reach at least 23 miles per hour thursday or we said gusts top 34 miles per hour. macy's saying regarding the giant balloons, a determination is made on their inclusion based