GRAND RAPIDS — Recently we have had some very windy days, but do we always know which direction the wind is blowing? In today's weather experiment we are going to build a wind vane or weather vane to ...

[Giovanni Aggiustatutto] creates a DIY weather station to measure rain fall, wind direction, humidity and temperature. [Giovanni] has been working on various parts of the weather station, including ...

Explanation: Wind vanes are used to measure wind direction. The vane points into the wind. For a more accurate reading, make arrow smaller than video shows (wanted it to be easily seen)!