Severe Thunderstorm Warning Issued for ACT and Southeast New South Wales
This alert is no longer in effect.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-severity warning for large hail, damaging winds, and heavy rainfall across the ACT and parts of southeast NSW, effective Wednesday afternoon.
Read this weather record in 30 seconds
- Record type
- Severe Thunderstorm Warning
- Affected area
- Australian Capital Territory and Southeast New South Wales
- Issued
- April 6, 2026
- Issuing authority
- BOM
Storm notices can cover different combinations of wind, hail, lightning, and rainfall. Use the original notice for the hazards and boundaries attached to this specific record.
Record status: historical. It was issued 4 months ago; use the issuing agency's live warning service for current conditions in Australian Capital Territory and Southeast New South Wales.
Alert Details
The Australian Government Bureau of Meteorology (BOM) has issued a Severe Thunderstorm Warning (IDN21033) for the Australian Capital Territory and parts of New South Wales. The alert was issued at 12:30 pm Wednesday, 25 February 2026, and is classified as a top priority for immediate broadcast.
Affected Areas
The warning covers the Australian Capital Territory and portions of the following forecast districts in New South Wales:
- South Coast
- Southern Tablelands
- South West Slopes
- Snowy Mountains
Specific locations that may be impacted include Cooma, Braidwood, Mount Ginini, Adaminaby, Araluen, and Captains Flat. Residents in Canberra and Queanbeyan are advised that a more detailed warning may be issued if storms develop in those specific areas.
What You Should Do
The State Emergency Service (SES) advises residents to take the following precautions:
- Park vehicles under secure cover and away from trees, powerlines, and drains.
- Secure or put away loose items around houses, yards, and balconies.
- Maintain a distance of at least 8 meters from fallen power lines or potentially energized objects like fences.
- Keep clear of creeks and storm drains.
- Do not walk, ride, or drive through flood water.
- If trapped by flash flooding, seek refuge in the highest available place and call 000 for rescue.
- Stay indoors and away from windows; keep children and pets inside.
For emergency assistance during floods or storms, contact the SES at 132 500.
Expected Conditions
A humid and unstable atmosphere, combined with a low-pressure trough, is triggering severe thunderstorms across southeast New South Wales. These storms are likely to produce:
- Large hailstones
- Heavy rainfall which may lead to flash flooding
- Damaging winds
Timeline
The warning was issued at 12:30 pm on Wednesday, 25 February 2026. Severe conditions are expected to persist over the next several hours. The Bureau of Meteorology expects to issue the next update by 3:30 pm.
Original source: BOM Official Notice ↗
Related Weather Warnings
All Weather Warnings →Frequently Asked Questions
Common questions about this BoM weather warning.