In old stories, it was said that monsters appear on nights when the sideways rain falls.

After the atomic bomb fell, black rain fell.

We ran to the bus stop for shelter from the rain.

Due to the rain continuing for days on end, our picnic was cancelled.

Since it's raining, let's put on our overshoes and go out.

Due to the rainstorm, our picnic was cancelled.

When I look outside, it's raining.

You might be able to see a meteor shower tonight.

Since it started raining, I quickly put on my rainwear.

I saw a Pacific swift in the park.