It's a bit of a downpour.

Meaning

It's raining quite heavily.

Examples

• John: Wow, the rain is coming down hard!
• Alice: Yes, <b>it's a bit of a downpour</b>. I hope it doesn’t flood.
• John: We might need to postpone our picnic.
• Alice: Unfortunately, you are right, it looks like <b>it's a bit of a downpour</b>.