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Central NSW floods to peak late Sunday

AAP logoAAP 24/09/2016

Rising floodwaters expected to inundate two rural NSW towns may cause problems with power and sewage for several days, despite lower and later-than-predicted peaks.

Residents at Forbes are being advised to evacuate as the Lachlan River swells to an estimated peak of 10.7m by midnight Sunday following 17mm of rain overnight Saturday.

The ADF, NSWFRS, RFS and SES are at nearby Condobolin, building barricades with sandbags as they wait for the water to arrive, and it's likely authorities will be busy in the area for another few weeks, SES spokeswoman Sue Pritchard told AAP.

"It's slow to rise and slow to fall," she said on Sunday evening.

Since the rain began on August 30, the SES has received 2343 calls for assistance and has performed 96 flood rescues.

No people needed rescuing on Sunday but volunteers were kept busy saving horses, cattle and sheep at properties expected to be impacted.

More rain is due on Wednesday and Thursday and it's likely residents won't be able to return home for between three to five days, depending on river peaks and rainfall, Ms Pritchard said.

While flooding in Forbes has surpassed the 1990 floods, in which the Lachlan River reached 10.65m, the worst is now being predicted to hit next week.

The Bureau of Meteorology predicts a second, higher peak next week near Condobolin and Euabalong.

About 1000 people in Forbes were ordered to evacuate on Saturday while residents at Condobolin remain on stand-by pending possible further flooding.

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