Severe Weather Warning: Heavy Rainfall and Life-Threatening Flash Flooding for ACT and Southern NSW
This alert is no longer in effect.
BOM issued it on April 6, 2026, 4 months ago. Warnings of this kind stay in effect for hours to a few days, so this page is a historical record of what was issued, not a current warning. For conditions where you are right now, check weather.gov (US), weather.gc.ca (Canada), the Met Office (UK), or the Bureau of Meteorology (Australia).
Areazine synthesizes this BoM weather warning directly from BOM's official public data feed. See our methodology for full source attribution and refresh cadence.
The Bureau of Meteorology has issued a high-priority warning for heavy and locally intense rainfall across the ACT and southern New South Wales, with dangerous flash flooding possible.
Read this weather record in 30 seconds
- Record type
- Severe Weather Warning
- Affected area
- New South Wales and Australian Capital Territory
- Issued
- April 6, 2026
- Issuing authority
- BOM
The warning type, named area, and issue time define this record. Confirm all three against the original agency notice before treating it as current.
Record status: historical. It was issued 4 months ago; use the issuing agency's live warning service for current conditions in New South Wales and Australian Capital Territory.
Alert Details
The Australian Government Bureau of Meteorology (BOM) has issued a top-priority Severe Weather Warning (IDN21037) for heavy and locally intense rainfall. The alert was issued at 11:38 am AEDT on Monday, March 2, 2026, and remains active as a broad rainband moves across the region.
Affected Areas
The warning covers the Australian Capital Territory and several New South Wales forecast districts, including:
- South West Slopes
- Riverina
- Central Tablelands (parts)
- Southern Tablelands (parts)
- Central West Slopes and Plains (parts)
- Lower Western (parts)
- Upper Western (parts)
- Snowy Mountains (parts)
Specific locations that may be affected include Canberra, Wagga Wagga, Albury, Deniliquin, Yass, and Griffith.
What You Should Do
The State Emergency Service (SES) advises residents to take the following immediate 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.
Expected Conditions
Tropical humidity on the eastern flank of a low-pressure system is generating heavy rainfall and isolated thunderstorms. Six-hourly rainfall totals between 40 to 70 mm are possible across the warning area. Locally intense rainfall, which may lead to dangerous and life-threatening flash flooding, could produce six-hourly totals between 70 to 90 mm.
Significant recent observations include:
- Fowlers Gap: 65.2 mm recorded in the 2 hours to 4:30 AM.
- Mount Woowoolarah: 63.2 mm recorded in the 2 hours to 3:27 AM.
Timeline
Heavy rainfall is expected to impact the Upper and Lower Western districts today before easing this afternoon. The rainband will spread to eastern parts of the warning area, including the ACT, this evening. Locally intense rainfall is most likely between Griffith and Yass this evening. The risk of heavy and intense rainfall is forecast to ease throughout Tuesday morning.
Original source: BOM Official Notice ↗
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