The noun 雷雨 (léiyǔ) means 'thunderstorm.' It combines 雷 (thunder) with 雨 (rain) to describe a rainstorm accompanied by thunder and lightning. It is used in weather descriptions and everyday conversation about stormy weather.
下午可能会有雷雨,记得带伞。
Xiàwǔ kěnéng huì yǒu léiyǔ, jìde dài sǎn.
There might be thunderstorms in the afternoon; remember to bring an umbrella.
昨晚的雷雨太大了,我一整夜没睡好。
Zuó wǎn de léiyǔ tài dà le, wǒ yī zhěng yè méi shuì hǎo.
Last night's thunderstorm was so intense that I didn't sleep well the whole night.
夏天的雷雨来得快去得也快。
Xiàtiān de léiyǔ lái de kuài qù de yě kuài.
Summer thunderstorms come quickly and go just as quickly.