2 sentences

1. 气象台预报明天会有大范围降雨。

   qì​xiàng​tái yù​bào míng​tiān huì yǒu dà fàn​wéi jiàng​yǔ.

   The meteorological observatory forecasts widespread rainfall tomorrow.

   Source: Dong Chinese Dictionary

2. 冷空气与暖气流在这一带交汇，产生了大范围的降雨。

   lěng kōng​qì yǔ nuǎn qì​liú zài zhè yī​dài jiāo​huì, chǎn​shēng le dà fàn​wéi de jiàng​yǔ.

   The meeting of cold and warm air masses in this area resulted in widespread rainfall.

   Source: Dong Chinese Dictionary