Flood Warning for Onkaparinga River at Oakbank and Upper Onkaparinga River, SA
This alert is no longer in effect.
BOM issued it on July 12, 2026, 7 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.
BOM has issued a minor flood warning for the Upper Onkaparinga River, with minor flooding possible at Oakbank from Wednesday evening.
Read this weather record in 30 seconds
- Record type
- Flood Warning
- Affected area
- Onkaparinga River, SA
- Issued
- July 12, 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 7 weeks ago; use the issuing agency's live warning service for current conditions in Onkaparinga River, SA.
Alert Details
BOM has issued a flood_warning (IDS20364) for the Onkaparinga River at Oakbank and Upper Onkaparinga River above Verdun. The warning is classified as major and was issued at 2026-06-17T05:00:44Z with an expiry of 2026-06-18T08:00:44Z.
Affected Areas
The warning covers the Upper Onkaparinga River above Verdun and the Onkaparinga River at Oakbank in South Australia (SA).
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 rainfall totals have been recorded over the Onkaparinga River catchment. Further rainfall is forecast for the remainder of Wednesday and into Thursday, which may cause the upper Onkaparinga River at Oakbank to exceed the minor flood level from Wednesday evening. The minor flood level at Oakbank is 1.17 m. The Onkaparinga River at Oakbank is currently at 0.25 m and steady.
Timeline
The warning was issued at 2:30 pm ACST on Wednesday 17 June 2026. Minor flooding is possible at Oakbank from Wednesday evening. Further rises are possible overnight Wednesday into Thursday. The next warning will be issued by 11:00 AM ACST on Thursday 18 June 2026.
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 (1,527 characters here).
Similar severity timing
Same severity (high) notices issued closest in time to July 12, 2026.
Frequently Asked Questions
Common questions about this BoM weather warning.