Weather experts are warning of heavy rain and thunderstorms in the East Midlands.
The Met Office yellow 'be aware' alert is valid until 11.59pm today.
A Met Office spokesperson said: "Heavy rain and thunderstorms bring a chance of flooding and travel disruption.
"There is a small chance that homes and businesses could be flooded, causing damage to some buildings.
"Where flooding occurs, there is a chance of delays or cancellations to train and bus services.
"Spray and flooding could lead to difficult driving conditions and some road closures.
"There is a small chance that some communities become cut off by flooded roads.
"There is a slight chance of power cuts and loss of other services to some homes and businesses.
"There is a small chance of fast flowing or deep floodwater."