Parts of the region are being hit by flooding as thunderstorms bring an end to the heatwave.
While much of Norfolk so far remains unscathed, areas in the west of the region, including Wisbech, have been hit by flooding.
Firefighters have been called to help people remove floodwater from homes in Wells and Fakenham, while Fenland police warned people to take care on flooded roads.
In Fakenham, the Aldiss store roof has partially collapsed.Large hailstones are also falling across certain areas.
It comes after another hot day - dubbed Furnace Friday - which saw 34.7C recorded in Tibenham, the hottest temperature of the week so far.
Norfolk police tweeted to say that driving conditions in Heacham were dangerous, warning that there were reports of trees blocking roads.
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