"The hot weather has dried out the longer grasses and roadside vegetation and we are not expecting any significant rainfall over the coming weeks."
In the extremely dry conditions, he urged people to think carefully when using heavy machinery or undertaking any activity that could cause a spark.
"It only takes one spark to start a wildfire.
"We've had a few fires recently where sparks from machinery like lawnmowers have ignited fires in these grasses, but luckily they did not spread.
"If it's hot and windy, keep the tools in the shed. If you must, carry out these activities in the morning or evening during the cooler parts of the day."
Taupō, Rotorua, Whakatāne, Ōpōtiki and the Central Lakes remain in a restricted fire season. Anyone planning an outdoor fire in these areas should apply for a permit at www.checkitsalright.nz.