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26 July 2018, 17:18 | Updated: 26 July 2018, 17:24
A yellow weather warning's in place for parts of Norfolk and Suffolk until 9pm this evening, with another one issued for tomorrow afternoon as well.
The warning is for thunderstorms that are likely to affect more inland areas like Bury St Edmunds and Norwich.
But that's not signalling the end of this heatwave with the hottest day yet, expected tomorrow.
The dry conditions are seeing an increase field fires across East Anglia.
Suffolk fire service are currently dealing with one large field fire in Eyke and have been battling another on the Suffolk/Essex border in Stoke By Nayland.
That's as Norfolk Fire Service are tackling a large field fire in the Ringland area.
We're also are being asked not to throw rubbish from vehicles after a surge in grass fires next to major A roads and motorways recently.
There were 12 in the East of England region in the 10 days to yesterday.
The heat's also affecting rail journeys, as train speeds are reduced to stop tracks from buckling.
Greater Anglia's had to cancel 36 servcies so far this afternoon.