That is NOT the case today. 42 cloud seeding projects in 10 states w/ hundreds of ground based cloud seeders sending silver iodide into storms to make them snow more than they naturally would.

Full story:

How cloud seeding could help Colorado River l GMA:

Ginger Zee takes a look at why the river is under threat and why the technique is in use among 10 Western states.

How beavers could help the Colorado River survive future droughts: https://abcn.ws/3A7reMv