From Saturday to Sunday, storms bringing 50 to 120 millimetres of rain will pelt parts of Hubei, Guizhou, Anhui, Hunan and Jiangxi provinces, the National Meteorological Center (NMC) said in a statement.
Parts of Guizhou, Chongqing, Hunan, Hubei, Jiangxi, Zhejiang and Anhui will be hit by thunderstorms or hail-storms from today afternoon to Sunday, the NMC said.
People affected by the rainstorms should take precautions against possible water-logging and floods, state-run Xinhua news agency reported.
China has a four-tier colour-coded warning system for severe weather, with red being the most serious, followed by orange, yellow and blue.