New trough and low pressure system to move eastwards

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New trough and low pressure system to move eastwards

A new trough and associated low pressure system is expected to move across the western region on Monday before moving eastwards, according to the Bureau of Meteorology BOM.

This will cause showers, rain and the chance of thunderstorms in many areas throughout the week, according to BOM forecaster Stephen Stefanac.

He said southern NSW could expect more rain than the north.

He said that it is not as heavy as the previous week, but there might be some localised falls across the state.

Stefanac said the central west and south west slopes regions would likely pick up five to 10 millimetres, with isolated heavier falls possibly reaching 30 to 50 mm in some areas.

There is uncertainty for the south-east, which could potentially receive 20 to 30 mm on Wednesday, with isolated falls of more than 50 mm.

Stefanac said the northern coastal region may get isolated falls of 10 to 20 mm from late Tuesday.

Mr Stefanac said it was expected to clear up for western NSW with showers along the east coast until next weekend.

Several of the state's northern, western and southern forecast districts still have a number of flood warnings in place, despite the prolonged flooding in many of the state's northern, western and southern forecast districts.

The SES responded to 825 calls for assistance and 59 flood rescues in the last two weeks.

The NSW SES spokeswoman Andrew Edmunds said major flooding was still impacting Gunnedah in the state's north, with the river peaking at 8.24 metres on Saturday morning.

He said it was slowly beginning to recede, but it was expected to remain at major flood level for the rest of the weekend.

In other parts of the state, Wee Waa and Warren are expected to be isolated by floodwaters for many days, with SES conducting resupply operations to residents, delivering essentials such as water, food and medicine.

If you are affected by floods and you haven't sought assistance yet, please give the SES a ring, Mr Edmunds said.

He said that morale was tracking as well as it could be within regional units.

The SES is a great orange family, the camaraderie and sense of contribution the volunteers get is second to none, he said.

We are very fortunate to have over 10,000 volunteers in the SES and they are very supportive of their local communities. Residents in the state were reminded to be vigilant heading into the Christmas season.

We've got saturated catchments and full dams and very high rivers.

It is important to make sure people are prepared, know the risks and they know the forecast in their areas, so they know if they need to act on their emergency plans. After a grim-looking weather system came in, up to 22 flood-related jobs were in the northern zone, according to Edmunds.

The Mid North Coast was slashed with more rain and hail in some areas after a sunny morning.

Ray Walkden, SES deputy commander at Kempsey unit, said they received nine call-outs for hail and wind damage.

All of the jobs were attended by a strike force with about seven people and completed by 7: 30 last night, he said.

Three jobs were sent to the council and two jobs to Essential Energy because powerlines had come down at Euroka. Despite the pre-warning, Mr Walkden said he didn't expect the weather to turn as quickly as it did.

We saw this cloud coming in from the west and then bang it hit and we started getting calls from everywhere for damage, he said.

He said the unit responded to an additional call for help this morning.