Puyang City, Henan Province belongs to that area in weather forecast.

North China refers to Inner Mongolia, Hebei, Shanxi, Beijing and Tianjin. The northern part of North China is generally the eastern part of Inner Mongolia, and the southern part of North China is generally the Beijing-Tianjin area and the central and southern parts of Hebei and Shanxi.

Northeast China is Heilongjiang, Jilin and Liaoning provinces.

Huanghuai is the area between the Yellow River and Huaihe River.

Puyang City, Henan Province is in the north of Henan Province, neither in the south of North China nor in Huanghuai.

If we have to divide it, Puyang, Henan Province should belong to the south of North China. In fact, it is difficult to define the scope of individual areas.