Joy Ballard is the Head teacher of Willows High and thinks banding allows schools to benchmark themselves against others, and this can only be a good thing.
The school in the Tremorfa area of Cardiff, have been ranked as a band 3, last year they received a Band 5 rating.
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The heaviest bursts are expected in the south and east, with some western areas either remaining dry or becoming dry by dawn.
Many places will start dry, but rain in the southeast will spread to most for a time overnight.
The family of Isaac Nash who went missing after being swept out to sea last summer have presented a cheque for £10,000 to the RNLI.