Two fresh weather systems are closing in on NSW, one expected to dump as much as 200mm of rain, prompting warnings of a "very dangerous" 48 hours ahead.
The latest evacuation orders have been issued for Moree as a major flood peak looms on the Mehi River, a tributary of the Gwydir River, threatening to surpass a 10.87m high mark recorded 67 years ago.
In all, there are 120 flood warnings current around NSW, 20 of them at emergency level.
