Severe Thunderstorm Warning for Sydney and Wollondilly/Wingecarribee: Heavy Rain and Large Hail Expected
This alert is no longer in effect.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.
A high-priority severe thunderstorm warning has been issued for parts of Sydney and the Wollondilly/Wingecarribee regions, with threats of flash flooding, damaging winds, and large hail.
Read this weather record in 30 seconds
- Record type
- Severe Thunderstorm Warning
- Affected area
- Sydney and Wollondilly/Wingecarribee, NSW
- 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 Sydney and Wollondilly/Wingecarribee, NSW.
Alert Details
The Australian Government Bureau of Meteorology (BOM) has issued a detailed Severe Thunderstorm Warning (IDN21035) for parts of the Sydney and Wollondilly/Wingecarribee areas. The warning was issued at 2:41 pm on Saturday, 21 February 2026, and is classified as a top priority for immediate broadcast.
Affected Areas
The warning specifically covers localized severe thunderstorms south of Sydney. At 2:35 pm, a storm was detected near Douglas Park, Wilton, and the area south of Wilton. The storm is moving toward the north and is forecast to affect the following locations:
- Appin: by 2:50 pm
- Camden, Campbelltown, and Oran Park: by 3:05 pm
What You Should Do
The State Emergency Service (SES) advises residents in the warning area 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 energized objects.
- Keep clear of creeks and storm drains.
- Do not walk, ride, or drive through floodwater.
- If trapped by flash flooding, seek refuge in the highest available place and call 000 for rescue.
- Stay indoors away from windows; keep children and pets inside.
Expected Conditions
The severe thunderstorm is likely to produce the following hazards:
- Heavy rainfall that may lead to flash flooding.
- Large hailstones.
- Damaging winds.
Timeline
The storm was first detected at 2:35 pm on Saturday. The current warning is effective through 5:41 pm, with the next detailed update scheduled for approximately 3:15 pm. A broader general severe thunderstorm warning remains in effect for parts of the Mid North Coast, Hunter, Metropolitan, Illawarra, Central Tablelands, and Northern Tablelands districts.
Original source: BOM Official Notice ↗
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