Severe Weather Warning: Heavy Rainfall and Flash Flooding for Western New South Wales

Alert Details

The Australian Government Bureau of Meteorology (BOM) has issued a Severe Weather Warning (IDN21037) for heavy rainfall. The alert was issued at 10:58 am AEDT on Saturday, 28 February 2026, and is classified as a major weather event for the region.

Affected Areas

The warning specifically targets people in parts of the Lower Western and Upper Western forecast districts in New South Wales. The heavy rainfall is expected to develop about the far southwestern portions of these districts. Locations that may be impacted include Wentworth.

Expected Conditions

Tropical humidity on the southeastern flank of a low-pressure system in central Australia is expected to lead to a broad region of rain with embedded thunderstorms. Forecasters warn of heavy rainfall which may lead to flash flooding. Six-hourly rainfall totals between 40 mm and 60 mm are possible in the warning area.

Timeline

Heavy rainfall is expected to begin developing tonight, Saturday, 28 February. While rain rates may ease for a period during the day on Sunday, they are forecast to increase again on Sunday evening and continue into Monday with the approach of a cold front.

What You Should Do

The State Emergency Service (SES) advises residents in the affected areas to take the following actions:

• Do not 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 call 000 if you require rescue.
• For emergency help in floods and storms, contact the SES at 132 500.
• Stay updated via the Hazards Near Me NSW app or the ACT ESA website.