## A shower is coming ##

"Rain is coming" or "It is going to rain" (UDB)

## the earth and the heavens ##

"the earth and the sky" or "the weather"

## how is it that you do not know how to interpret the present time? ##

This rhetorical question is used as a rebuke. It can be translated as "You should know how to interpret the present time." (See: [[rc://en/ta/man/translate/figs-rquestion]])