UPDATE: Lives and homes may be at risk in the Goldfields region where rainfall associated with a deep tropical low is expected to cause flooding.

The Department of Fire and Emergency Services issued an alert at 12.30pm urging people in Laverton, Leonora, Leinster, Menzies, Kalgoorlie, Coolgardie and surrounding communities to take action.

WEATHER FORECAST

"There is a possible threat to lives and homes due to rising water levels in local rivers and streams," DFES warned.

"Water will be fast flowing and levels will rise quickly."

A search and rescue operation has been called off after seven adults and eight children who had been missing in a flooded area turned up safe.

The alarm was raised after two cars, which set off from Kumarina in the Kimberley on Tuesday, did not arrive at their intended destination, Wiluna, by late Wednesday night.

A search and rescue operation was launched for the two cars, one of which was carrying four adults and the other carrying three adults and eight children, aged between two and 10 years old.

With reports the travelling party had no food with them, concerns were rising - until the group arrived at Kuktabubba Aboriginal community just after 1pm today.

In the 24 hours to 9am, rainfall levels in the Goldfields ranged from 25mm to 130mm.

For the 24 hours to 9am on Friday, widespread rainfall of 40mm to 60mm, with isolated heavier falls up to 100mm, are forecast for the southern Goldfields extending to Eucla near the South Australian border.

State Emergency Service volunteers have received more than 12 calls for help from people needing assistance with minor flooding of their homes.

Several roads are closed including Goldfields Highway between Leonora and Meekatharra, and between Kambalda West and Kalgoorlie-Boulder.

Great Eastern Highway from Coolgardie to Southern Cross is open to all vehicles but drivers are asked to take extreme caution.

People in Nullagine and Marble Bar and surrounding areas also must take action, with minor flooding expected today.

DFES warned that roads had been closed, including Great Northern Highway from Meekatharra to Capricorn Roadhouse, Ripon Hills Road, Telfer Access Road and Marble Bar Road from 17km north of Newman to Port Hedland.

People in Newman and surrounding communities also have been urged to take care after rising water levels in local rivers and streams.

The Bureau of Meteorology advises the flood warning has been cancelled for the Fortescue River Catchment.

The heavy rainfall hit the WA's north earlier this week, leaving many people needing help from emergency services.

On Tuesday, five children - three of whom needed medication - and their father were rescued after becoming stranded in a car with little food and water, surrounded by flood waters, as they travelled from Darwin to Halls Creek along an unsealed road.

Another man who was travelling with them walked about 50km to eventually raise the alarm at the Ringer Soak Community, arriving on Monday after leaving the vehicle on Friday.

The father also swam across a river seeking help from a nearby station.

AAP

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