Live in Lake Charles, LA which is right next to Sulphur, LA for ten years. Late February can be really cold at night but not to bad during the daytime. The only campground I know of is Jellystone in Lake Charles, LA. Never stayed there but it does have good reviews.
2014 Heartland Wildness 2775RB, 2015 Ram 2500 4x4 Mega Cab