An active monsoon trough is delivering huge amounts of moisture into a trough of low pressure that is extending through New South Wales and southeast Australia, causing heavy rain and storms. Due to the moist atmosphere storms brought very high rainfall amounts in a short period of time, leading to localised areas of flash flooding. As much as 8mm in 10 minutes have been recorded in Wilcannia and 7mm in 10 minutes in Deniliquin. Fowlers Gap saw its third consecutive day with rain above 30mm. Their monthly total is now 128mm, 14 times their monthly average, and they are facing their wettest January since records began seven years ago. Wilcannia Airport saw 26mm in total to 9am, their wettest 24 hour falls in 11 years. Ivanhoe in the Lower Western was drenched with 44mm to 9am, their wettest January since 1996. The rain also found its way to Riverina, where Corowa Airport recorded 47mm to 9am, their heaviest January rain in 20 years. Unfortunately, the trough is still deepening and should bring more heavy rain in the next 24 hours. Some areas, especially those near the South Australian border should see falls up to 100 millimetres.