The public is being urged to use caution around dry, grassy areas and wooded holiday destinations in the East.
Tiny Muntjac deer make Thetford Forest their home
Fire crews spent several hours on Sunday dousing grass and peat fires at Holt, Norfolk.
A Norfolk Fire Service spokesman said an area the size of a hectare caught fire at about 0800 BST.
It is the latest in a series of small heath and forest fires in East Anglia since unseasonably warm weather came to the region last week.
Thousands of people were expected to visit Thetford Forest this weekend.
Visitors to the scenic area on the border of Norfolk and Suffolk have been asked to take extra care because of the continuing dry conditions and to heed the severe fire risk warning signs.
But High Lodge Visitor Centre manager Julie Ward said that smoking and private barbecues have been banned in the forest.
On 13 April there were two fires in the Thetford forest area, both of which were contained by the Norfolk and Suffolk fire services.
The Forestry Commission in the East Anglia District has issued a reminder to all public visiting woodland over the Easter holiday period to be extra cautious.