Heavy rain is expected to hit large parts of the UK this afternoon, including across Hertfordshire.
Gritters in Hertfordshire will not be sent out until it gets colder this winter - after councillors lowered the trigger temperature to 0.5°C.
The Met Office have issued a yellow weather warning for today.
The Met Office has issued a yellow weather warning for the East of England tomorrow with thunderstorms expected across the region.
Heavy showers on Saturday and Sunday led to some outdoor events in Welwyn Hatfield and Potters Bar being cancelled.
A yellow weather warning has been issued for the East of England region for the whole of tomorrow (Sunday) - just three days after temperatures soared.
The Comet air display, which would have taken place in Hatfield tomorrow, has been cancelled due to concerns over bad weather.
Welwyn Hatfield is going to feel the full force of a mini heatwave this week.
The Met Office has issued a yellow weather warning for thunderstorms in Hertfordshire and Cambridgeshire, as torrential rain, hail and lightning expected across parts of England.