For safety's sake, you can't have a surface temperature in your enclosure of 100F. High temperatures can very quickly injure your snake. Low temperatures take a long time to do so. So, err on the side of caution and reduce the temperature on your thermostat 10F immediately.
On the positive side, it sounds like you have all the tools for a first class set up. Post a pic and we'll help you tweak it until you have the temperature range you're looking for. This thread will show you how: https://ball-pythons.net/forums/show...-Post-Pictures.