Weather forecast in Crewe tomorrow? (3)

I believe the answer is:

wet

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'weather forecast' is the definition.
The answer and definition can be both states of affairs as well as being singular nouns.
Maybe there's an association between them I don't understand?

'in crewe tomorrow?' is the wordplay.
'in' indicates the answer is hidden within the clue.
'WET' is hidden within 'crewe tomorrow'.

Can you help me to learn more?

(Other definitions for wet that I've seen before include "Saturated with liquid" , "Irresolute" , "Moderately Conservative" , "Moist or Soaked" , "Watery" .)

I've seen this clue in the Evening Standard.

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