The city is expected to be hit with heavy showers from 10pm tonight until 12am tomorrow and residents are being warned.
Drivers are being advised to allow extra time for journeys and the Met Office has said that flooding in some homes and business could be possible.
Disruption to public transport is also likely as roads could become flooded through the night.
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This comes after Southampton was battered by heavy rain and strong winds from Storm Bert last weekend.
A spokesperson for the Met Office said: “A cloudy day, with outbreaks of rain, locally heavy, spreading eastwards during the morning.
“Windy on coasts. Rain clearing during the afternoon. Briefly milder. Dry, clear skies and frosty overnight. Maximum temperature 13 °C.
