Driving a long distance in hot weather without AC?!

i drove about 2ish hours.. in the dart no a/c... no issues.. no overheating.. the mrs actually wanted to take the car.. ok.. anyway.. i think it was in the 90s last time we went.. all was good.. until on the way home.. got a flat on the interstate.. no spare no jack.. live and learn..
had to be rollbacked all the way home