How's about that rain?

Meaning

A conversational filler focused on heavy precipitation. It is used to express disbelief at the volume of water or to commiserate about being stuck indoors.

Casual, conversational

Used in a sentence

• We sat on the porch watching the storm, and he said, how's about that rain?
• I got soaked walking to the store, and the clerk said, how's about that rain?
• The flood warnings were on the news, and they remarked, how's about that rain?