The Arameans of western Syria followed the cult of Hadad - Ramman and erected a temple dedicated to him at the site of the present - day Umayyad Mosque .
Hadad - Ramman is the god of thunderstorms and rain .
The Arameans of western Syria followed the cult of Hadad - Ramman , the god of thunderstorms and rain , and erected a temple dedicated to him at the site of the present - day Umayyad Mosque .