Severe Thunderstorm Warning for Great Southern, South Coastal and South West WA
This alert is no longer in effect.
BOM issued it on June 4, 2026, 2 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.
BOM issues high-severity severe thunderstorm warning for heavy rainfall and flash flooding risk in parts of southwest Western Australia until 8:57 pm AWST.
Read this weather record in 30 seconds
- Record type
- Severe Thunderstorm Warning
- Affected area
- South West Western Australia
- Issued
- June 4, 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 2 months ago; use the issuing agency's live warning service for current conditions in South West Western Australia.
Alert Details
Severe Thunderstorm Warning (IDW21033) issued by the Australian Government Bureau of Meteorology (BOM) at 4:57 pm AWST Wednesday, 27 May 2026. The warning is classified as high severity and remains in effect until 8:57 pm AWST.
Affected Areas
Parts of the South West, South Coastal and Great Southern forecast districts in Western Australia. Locations that may be affected include Manjimup, Collie, Walpole and Bridgetown.
What You Should Do
If outside, find safe shelter away from trees, power lines, storm water drains and streams. Close curtains and blinds and stay inside away from windows. Unplug electrical appliances and do not use land line telephones if there is lightning. If there is flooding, create sandbags using pillow cases filled with sand and place them around doorways. If boating, swimming or surfing, leave the water. Do not drive into water of unknown depth and current. Slow down, turn headlights on, and watch for hazards such as fallen power lines. If raining heavily and visibility is poor, pull over and park with hazard lights on.
Expected Conditions
Severe thunderstorms are producing heavy rainfall that may lead to flash flooding. A cold front moving northeast through the South West district is triggering showers and embedded thunderstorms.
Timeline
Warning issued at 4:57 pm AWST and expires at 8:57 pm AWST on 27 May 2026. The next warning is due by 8:00 pm AWST.
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 (1,431 characters here).
Similar severity timing
Same severity (high) notices issued closest in time to June 4, 2026.
Frequently Asked Questions
Common questions about this BoM weather warning.