2005 Honda Civic

I drove through a lot of rain and after about 25 miles, the dashboard lights started flashing off and on. I got another 5 miles to home with the same problem and sat in my driveway with the car running and it seemed fine. The lights stayed steady on. A few hours later, I went to start the car and got just a clicking sound. It wouldn't start. The next day, the same thing. Just clicking and when the key is turned to accessory, the dashboard lights flash.