The heatwave has triggered a string of thunderstorms across the Anglia region.
One weather station at Somersham in the Cambridgeshire Fens recorded 48 mm of rain in just 7 hours from 2am. The average monthly rainfall for July in the Anglia region is around 50 mm (2 inches)
The storms have brought localised flooding as the rain fell onto hard-baked earth and there has been travel disruption and some power cuts.
The white areas on the rainfall radar chart indicate rainfall rates in excess of 32 mm per hour.
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Becoming cloudier and breezier into the evening, with a little light rain at times. It will be much milder than of late. Lows of 7 deg C.
A row of listed cottages on Norfolk's Blickling Estate have been destroyed by fire which spread through its thatched roof.
Staying mainly dry this afternoon and feeling relatively warm. Highs today of 16 deg C.