Flood Warning for Onkaparinga River at Oakbank, SA
This alert is no longer in effect.
BOM issued it on August 9, 2026, 2 weeks 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.
Minor Flood Warning issued for the Onkaparinga River at Oakbank and Upper Onkaparinga River above Verdun in South Australia due to rising river levels from heavy rainfall.
Read this weather record in 30 seconds
- Record type
- Flood Warning
- Affected area
- South Australia
- Issued
- August 9, 2026
- Issuing authority
- BOM
Flood notices turn on location and timing. Treat the named area as this record's scope; do not assume nearby counties, parishes, or waterways were included.
Record status: historical. It was issued 2 weeks ago; use the issuing agency's live warning service for current conditions in South Australia.
Alert Details
Initial Minor Flood Warning (warning_id: IDS20364) issued by the Australian Government Bureau of Meteorology (BOM). Issued at 4:28 pm ACST on Sunday 9 August 2026. Warning phase: new. Severity: High. Expiry: 2026-08-10T09:58:41Z.
Affected Areas
Onkaparinga River at Oakbank and Upper Onkaparinga River above Verdun in South Australia (SA). Specific locations include Charleston, Woodside, Tiers Road, Swamp Road, Verdun, Aldgate, Houlgraves, Clarendon Weir, and Old Noarlunga.
What You Should Do
Don't drive, walk, swim or play in floodwater. Stay away from flooded drains, rivers, streams and waterways. Obey road closure signs. Plan ahead so you don't drive on flooded roads. Check ABC and local media for updates. For local emergency management warnings visit www.ses.sa.gov.au/incidents-and-warnings/incidents-and-warnings-map/. For emergency assistance call SES on 132 500. In life-threatening emergencies, call 000.
Expected Conditions
Moderate to heavy rainfall associated with a strong cold front has caused river level rises. The Onkaparinga River at Oakbank is currently at 0.71 m and rising, below the minor flood level of 1.17 m. Minor flooding is possible at Oakbank from Sunday evening. Further rises are possible with forecast rain. Latest river heights: Onkaparinga River at Charleston 2.20 m rising; Woodside 1.43 m rising; Verdun 1.41 m rising; Oakbank 0.71 m rising.
Timeline
Warning issued 2026-08-09T06:58:41Z. Minor flooding possible Sunday evening. Next warning to be issued by 11:00 AM ACST on Monday 10 August 2026. Expires 2026-08-10T09:58:41Z.
Original source: BOM Official Notice ↗
Related Weather Warnings
All Weather Warnings →Nationwide notices with similar length or severity timing 8
Two Areazine-derived peer sets for this BoM weather warning: nearest notices by body length and by same severity near the same agency date. Peers come from other categories so they are not the same-feed Related list above.
Similar body length
Nearest notices by article body length (1,603 characters here).
Similar severity timing
Same severity (high) notices issued closest in time to August 9, 2026.
Frequently Asked Questions
Common questions about this BoM weather warning.