YOU SAID:

There's a 30% chance it's already raining.

INTO JAPANESE

すでに雨が降って 30% チャンスがあります。

BACK INTO ENGLISH

Already it was raining, there is a 30% chance.

INTO JAPANESE

すでに雨が降っていた、30% のチャンスがあります。

BACK INTO ENGLISH

Already the rain fell, 30% chance.

INTO JAPANESE

すでに雨に落ちた、30% の確率で。

BACK INTO ENGLISH

Already fell into the rain, probability 30%.

INTO JAPANESE

すでに雨の確率 30% に落ちた。

BACK INTO ENGLISH

Already fell on the chance of rain 30 percent.

INTO JAPANESE

すでに雨 30% のチャンスに落ちた。

BACK INTO ENGLISH

Already fell on the chance of rain 30 percent.