Cameras can take rain, so long as they're not left in a damp bag for days afterwards, that way they will die for sure. Cameras don't need to be weather sealed to be used in the rain, they just need a bit of sensible looking after, and taken in and dried once you're done. I've yet to have a camera die from rain water. They die because they're left in damp bags for too long.
If you only photograph when it's dry, then you'll be extremely limited to the kinds of photographs you can make. Your photography will only show a narrow view of what the world has to offer and you'll be selling yourself short.
If you are worried about taking that $3,000 USD camera body out in the rain, then you've bought the wrong camera. Buy something you can take everywhere and not worry about. Better still, buy a used cheap body and abuse it.
Cameras are tools to be used. They should never stop you from making images and if they do, I'd suggest you get rid of them and buy something else that doesn't get in the way. That goes for cameras that are too complicated to use, or are too delicate for a bit of rain.
I'm lucky that I use old Hasselblad film cameras. They are 100% mechanical. They are inexpensive to replace if I break them. I've broken a few in my time because of the elements I work in. Sometimes they begin to rust inside due to all the salt air, or the fine sand of the Bolivian deserts cause wear and tear. The volcanic dust in Iceland can be particularly harsh also. But I'm never worried about them because at the end of the day - it's the photos that matter. I don't want to be held back by worrying about looking after the camera equipment.
But before you think I don't care about my equipment, I'd like to tell you that I'm a gear head. I love photography equipment, and I do like to look after it. I just think photos matter more and so I do push them and use them in sandy, dusty, rainy places.
To clean them, I use a paint brush - 1 inch wide DIY store paint brush to get all the muck and dirt off the body. Blower brushes are pretty useless and when you have wet sand on a body, I'll leave it to try and then use the paint brush to wipe the sand off. It works beautifully.
So I do try to look after my equipment, but I also am not afraid to use it either.
Electronic cameras can take more rain water than you might imagine, but if you're not sure, then I suggest buying a cheap body to go out with. If you get those moody shots you want, then I think you won't look back, even if the resolution of the cheap digital body isn't anything close to your new camera.
The shots made in this post today were made in very foggy weather or in the middle of heavy downpour. The rain was so heavy that everyone else had retreated to the car. There was fine volcanic dust being blown around by the wind and it got into my camera bag, and into the body of my Hasselblad. I got soaked and the black sand of the desert began to stick to everything - my hands, my clothing and the outside of my camera equipment. I was in my element though, as I knew I could not get these pictures of the desert any other way.
Use your equipment, and take it everywhere. Buy equipment that you're not afraid to damage, because it will also buy you the freedom to experiment and work in all climatic conditions.