Overview
- Overnight storms delivered 11.6 mm in the Perth metro as lightning and thunder spread widely across the state.
- The Bureau of Meteorology has strong wind warnings for the Ningaloo, Gascoyne, Geraldton, Perth, Bunbury Geographe, Leeuwin and Eucla coasts, with average winds above 63 km/h and gusts above 90 km/h possible.
- Severe thunderstorms are most likely from the eastern Perth hills through the Central Wheatbelt, Great Southern, Goldfields and parts of the South Interior, with risks including heavy rain, damaging gusts and large hail.
- Most places are forecast to receive about 10–20 mm of rain, with isolated totals up to around 50 mm south of Carnarvon between Tuesday and Thursday night.
- These are mid‑level storms that can make radar look wetter than gauges show, and forecasters warn of flash flooding, road disruptions and impacts to harvesting across the southern half of the state.