Queensland's third cyclone in less than a week has formed in the Gulf of Carpentaria and is due to cross the coast soon.
Category one Cyclone Fletcher is expected to make landfall on the southern Gulf of Carpentaria coast north of Karumba on Monday afternoon.
Winds up to 100km/h are expected to lash coastal and island communities from the Northern Territory-Queensland border to Kowanyama, on Cape York Peninsula's west coast, on Monday afternoon and evening.
The cyclone was estimated to be 140 kilometres east-northeast of Burketown just after 2pm (AEST) and moving at 20km/h towards the coast.
The cyclone may weaken overland overnight, but is forecast to curve towards the west during Tuesday in the southern Gulf of Carpentaria and redevelop.
Heavy rain that may lead to flash flooding is likely in the Gulf Country district, mainly near coastal areas, for the next few days.
Gales will be possible later on Tuesday or Wednesday.
Cyclone Dylan crossed the north Queensland coast on Friday as a category two storm. It brought heavy rain but did little damage.
A second system, Cyclone Edna, formed on Saturday but petered out in the Coral Sea.
Kowanyama, about 350 kilometres north of Karumba, is flooding, with about 60 millimetres of rain falling on Monday morning and 25mm overnight.
"At the moment all we have to worry about is localised flooding because we're getting a hell of a lot of rain up here," Kowanyama Mayor Robert Holness told AAP.
"All the street are starting to turn to rivers.
"The drains can't keep up.
"Right around the township area is swampland - once they fill up, the water has got nowhere to go and Kowanyama becomes its own little island."
Mr Holness said locals were unfazed by the cyclone, as the township had been isolated for three weeks and locals were stocked up on fuel and food.
"It doesn't really cause anything up here. We go through it every year, but if it gets any bigger than that we might start worrying."