The public has not been threatened as the 90,000-acre blaze burns near the Idaho National Laboratory, officials said.
The judge issued a 14-day temporary restraining order shortly before midnight on the new laws, which include an 18-week ban.
The family had said that complications from his surgery in 2012 led to his death, according to documents made public Tuesday.
The FBI said Jeffrey Clark Jr. is a self-described white nationalist who described the Pittsburgh synagogue as a "hero."
The so-called Museum Fire, just north of Flagstaff, was 10 percent contained Tuesday evening, thanks to showers and weather conditions, officials said.