Parts of southern China will be swept by heavy rain from Monday to Friday, while parts of northern and eastern China will be shrouded in smog, said the country's national observatory Sunday.
The National Meteorological Center (NMC) forecasts heavy rain or rainstorms accompanied by thunder in parts of Yunnan, Guangxi and Guizhou from Monday evening to Friday.
From Tuesday evening to Friday, snow is likely in northwest and central regions, according to the NMC.
On Sunday morning, smog envelops parts of Hebei, Shanxi, Shandong, Henan, Hubei, Anhui and Shaanxi.
Visibility dropped to less than one kilometer in parts of Henan and Hubei.
Smog will continue in central and southern parts of north China, western parts of the Yellow and Huaihe rivers, Fenhe-Weihe Plain and Jianghan Plain.
From Monday to Tuesday, smog in those areas will be diffused by a cold front and rainfall gradually, the NMC said.