THIRTEEN hours of heavy rain is expected to hit tomorrow with the possibility of flooding.
The Met Office said to expect the deluge from the early hours of the morning.
This begins at 1am and lasts until 8am, before returning at 10am and finishing at 1pm, until further heavy downpours at 5pm.
UPDATED: 12.20pm - The Met Office has issued a yellow warning for rain covering Derby and Derbyshire.
The alert is in place from 00.15am on Saturday until midnight and includes the risk of flooding.
Temperatures are still expected to be warm with highs of 19C.
A spokesman for the Met Office said: "The public should be aware of the potential for localised flooding due to the intensity of these storms, although at this stage the location of the heaviest rainfall is uncertain."
Meanwhile today looks to be much drier with highs of 16C from 3pm lasting until 8pm.
The threat of rain looks minimal with just a few light showers forecast at 1pm.
