Since ancient times, man has dreamed of manipulating the weather to his advantage. His efforts to this end have ranged from drawing pictographs, lighting ceremonial fires, and participating in rain dances, to, during the past twenty-one years, directing his attention toward utilizing certain scientific relationships to initiate physical and chemical reactions in the atmosphere.  The Early History of Weather Modification

The idea of seeding clouds with dry ice to initiate or increase rainfall came up as early as the 19th century and has since been developed and perfected by private and governmental agencies.

Those agencies became so adept at what they are doing, in large part quietly, that they reached a godlike level in their ability to manipulate and use the natural forces of Mother Nature. The following is an explanation of what they have achieved and how they do it:

An introduction to chemtrails by Dane Wigington, the founder of GeoengineeringWatch.org:

A more in-depth documentary about the geoengineering going on throughout the globe:

In reality, there are many companies that offer weather modification services to cities and states. Here is an example of an organization in Texas that does just that: https://westtxwxmod.com