The sun is shining.艳阳高照。

It's drizzling.阴雨蒙蒙。

The wind is blowing.风呼呼的吹。

The rain is falling.落大雨。

It's hailing.下冰雹。

The rain is pouring down.倾盆大雨。

It's snowing.下雪。

It's thundering.打雷。