Hi,
and welcome to the forum! At this time of the year (fall/winter) the Southern States like Florida is a good choice if you want to progress through your PPL training without any major delays, but States like California, Arizona and/or Texas also offer very good stable weather conditions during this time. You might also want to consider a school which offers an EASA syllabus as well since you mentioned that you intend to start with the EASA ATP studies afterwards. Here a few schools.
https://www.flightschoolusa.com/ (also offers EASA training, lots of European students)
https://www.flightsafetyacademy.com/ (one of the top US flight schools)
https://www.flyeft.com/
JAA/EASA Airline Pilot Course | Skymates, Inc. (offer EASA training as well)
CAE Oxford Aviation Academy Phoenix (EASA training)
https://www.saaintl.com/
Aeroguard | Elite Flight Training (big international flight school, I believe no EASA training offered)
Home - Falcon Aviation Academy (school located in Georgia)
Hope I could help and good luck
