Australian Government Bureau of Meteorology New South Wales TOP PRIORITY FOR IMMEDIATE BROADCAST Severe Weather Warning for Heavy Rainfall for parts of Mid North Coast, Hunter, North West Slopes and Plains and Northern Tablelands Forecast Districts. Issued at 10:56 am Wednesday, 27 May 2026. Heavy rainfall possible from Thursday afternoon. Weather Situation A large upper trough is moving over NSW and Queensland and is likely to form a low pressure system about coastal NSW during Thursday. Elevated moisture and enhanced flow into topography may bring heavy rainfall to elevated areas of eastern NSW. HEAVY RAINFALL for the following areas: Mid North Coast, Hunter, North West Slopes and Plains and Northern Tablelands HEAVY RAINFALL which may lead to FLASH FLOODING is possible about elevated parts of the southern Mid North Coast, Upper Hunter, and adjacent districts from Thursday afternoon. 6-hourly rainfall totals between 40 and 70 mm are possible, with isolated falls up to 95 mm. Rainfall is expected to ease below warning thresholds during Friday afternoon. Thunderstorms that may bring isolated and localised heavy rainfall are also possible for the remainder of northeast NSW during Thursday. A Severe Thunderstorm Warning will be issued for those areas if thunderstorms with heavy rainfall are detected. Flood watches are current for rivers in the area. Please refer to https://www.bom.gov.au/weather-and-climate/warnings-and-alerts for more detail. Locations which may be affected include Nowendoc, Barrington Tops and Yarrowitch. The State Emergency Service advises that people should: * Don't drive, ride or walk through flood water. * Keep clear of creeks and storm drains. * If you are trapped by flash flooding, seek refuge in the highest available place and ring 000 if you need rescue. For emergency help in flood and storms, ring the SES on 132 500. Stay updated on the Hazards Near Me NSW app or the ACT ESA website (https://esa.act.gov.au). The next Severe Weather Warning will be issued by 5:00 pm AEST Wednesday. Check https://www.bom.gov.au/weather-and-climate/warnings-and-alerts. Warnings are also available through TV and Radio broadcasts or call 1300 659 210. The Bureau and State Emergency Service would appreciate warnings being broadcast regularly.