South Essex could face "flooding and travel disruption" during the evening rush hour today as a serious weather warning has been issued.

The Met Office has issued a yellow weather warning for rain across Essex from 12pm today until 3am tomorrow, with residents warned of potential flooding in roads and properties, power cuts and travel delays.

Drivers are advised to plan ahead if looking to travel during heavy downpours and prepare for reduced visibility and slippery conditions on roads.

Here is the hour-by-hour forecast for the south Essex area amid the fresh 15-hour weather warning: 

1pm and 2pm - Cloudy

3pm - 40 per cent chance of light shower 

4pm - 90 per cent chance of heavy rain

5pm until 7pm - 95 per cent chance of heavy rain

8pm - Cloudy with 10 per cent chance of rain

9pm - 50 per cent chance of light rain

10pm - 70 per cent chance of heavy rain

11pm until midnight - 80 per cent chance of heavy rain

1am until 3am - 50 per cent chance of light rain