The most common and most likely answer to this crossword clue is the 7 letter word MONSOON
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More clues leading to the result MONSOON
- Weekend nearly over, heavy rain
- Rainy weather shortly after start of working week
- A lot of wet weather now the weekend’s almost over?
- Sun now, perhaps — then rain?
- Wild weather thus overwhelming cricket side after half-day
- Weekend nearly over, and it’s very wet
- Rainy season from first of May, happening shortly?
- Day before long getting wind
- Sun now, then rain
- Start to move on, early in the rainy season
Buddy explains!

The straight part
We know that "heavy rain" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case heavy rain = monsoon.The cryptic/wordplay part
In cryptic crossword there's often an wordplay/cryptic part as well.This part involves a more complex hint, such as an anagram, homophone, hidden word, etc.
Sadly, We don't have an explanation for this specific crossword clue yet.
What does MONSOON mean?
MONSOON noun- Any of a number of winds associated with regions where most rain falls during a particular season.
- Tropical rainy season when the rain lasts for several months with few interruptions.
- The rains themselves.
- Entire meteorological systems with such characteristics.