It's pouring down.

Meaning

It's raining very heavily.

Examples

• John: 'I'm not going out in this weather.'<br>
• Alice: '<b>It's pouring down</b>, you're right. Let's stay in.'
• John: 'No surprise, <b>it's pouring down</b> out there.'
• Alice: 'The game is cancelled because of the rain.'<br>