What's the weather forecast for tomorrow?

天气预报说明天的天气怎么样?

It'll probably turn out a misty day.

可能是个薄雾天。

Nice and sunny.

风和日丽。

It's a nasty day.

今天的天气很恶劣。

It was warm and sticky last week.

上周又热又湿。

The clouds are building up.

云逐渐增多。