Australian Government Bureau of Meteorology
Western Australia
TOP PRIORITY FOR IMMEDIATE BROADCAST
Severe Thunderstorm Warning
for Heavy Rainfall
for parts of Lower West, South West, South Coastal and Great Southern districts.
Issued at 8:53 am Saturday, 28 March 2026.
Heavy rainfall continues this morning in the South West.
Weather Situation
An upper trough moving through the South West combines with high humidity to deliver widespread rain with heavy showers and isolated thunderstorms, which may persist throughout the rest of the morning.
HEAVY RAINFALL for the following areas:
Lower West, South West, South Coastal and Great Southern
Severe thunderstorms are likely to produce heavy rainfall that may lead to flash flooding in the warning area over the next several hours. Locations which may be affected include Albany, Mandurah, Mount Barker, Collie, Harvey and Denmark.
A broader Severe Weather Warning is in place for inland parts of the South West Land Division related to Ex-Tropical Cyclone Narelle. For more information refer to www.bom.gov.au/weather-and-climate/warnings-and-alerts
The Department of Fire and Emergency Services advises that people should:
* If outside find safe shelter away from trees, power lines, storm water drains and streams.
* Close your 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 your own sandbags by using pillow cases filled with sand and place them around doorways to protect your home.
* If boating, swimming or surfing leave the water.
* Do not drive into water of unknown depth and current.
* Slow down and turn your headlights on.
* Be alert and watch for hazards on the road such as fallen power lines and loose debris.
* If it is raining heavily and you cannot see, pull over and park with your hazard lights on until the rain clears.
The next warning is due to be issued by 11:55 am.
Warnings are also available through TV and Radio broadcasts, the Bureau's website at www.bom.gov.au or call 1300 659 210. The Bureau and Department of Fire and Emergency Services would appreciate warnings being broadcast regularly.
Forecast
Napier (34.7878°S, 117.9545°E, 105m AMSL) set as my default location ›
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7 day forecast
Today: Cloudy. Very high chance of rain, becoming less likely in the evening. The chance of a thunderstorm in the morning and afternoon. Thunderstorms possibly severe with damaging winds and heavy rain which may lead to flash flooding in the morning and afternoon. Winds E/NE 20 to 30 km/h shifting W in the late afternoon. Daytime maximum temperatures around 17.
Forecast for Napier (34.7878°S, 117.9545°E, 105m AMSL) Sat Sun Mon Tue Wed Thu Fri Summary
Minimum 16° 16° 16° 15° 13° 14° 16° Maximum 18° 23° 21° 20° 21° 20° 21° Chance of rain 90% 60% 60% 40% 50% 50% 10% Likely amount 10-20mm < 1mm < 1mm < 1mm < 1mm < 1mm < 1mm UV index Very High High High High High High High Fire Danger Rating Moderate Moderate Moderate Moderate - - - Frost risk Nil Nil Nil Nil Nil Nil Nil 9am 3pm 9am 3pm 9am 3pm 9am 3pm 9am 3pm 9am 3pm 9am 3pm Wind speed 22
(km/h)15
(km/h)25
(km/h)26
(km/h)21
(km/h)27
(km/h)25
(km/h)26
(km/h)15
(km/h)18
(km/h)15
(km/h)20
(km/h)19
(km/h)21
(km/h)Wind direction ENE ENE W WSW NW WNW W WSW NW WSW SE SE ENE ESE Relative humidity 97% 97% 84% 71% 75% 57% 70% 60% 75% 61% 78% 66% 73% 64% Dew point 14°C 16°C 17°C 17°C 15°C 11°C 12°C 11°C 12°C 12°C 14°C 12°C 14°C 13°C -
Sunrise and sunset times
Sunrise / Sunset for Napier (34.7878°S, 117.9545°E, 105m AMSL) First light Sunrise Sunset Last light Moon rise Moon set Moon phase Full moon Last quarter New moon First quarter 5:53am WST 6:18am WST 6:10pm WST 6:35pm WST 3:38pm WST 12:57am WST
Waxing gibbous
Full moon Apr 02 Last quarter Apr 10 New moon Apr 17 First quarter Apr 24 -
Warnings
- Severe Thunderstorm Warning (Heavy Rainfall) for parts of Lower West, South West, South Coastal and Great Southern districts
- Severe Thunderstorm Warning (Heavy Rainfall) for parts of Lower West, South West, South Coastal and Great Southern districts
- Severe Weather Warning (Winds & Rain) SE Cstal, Central Wheat Belt & Gascoyne Cst, Goldfields, Eucla, CW, G Southern & S Cstal districts
- Severe Weather Warning (Winds & Rain) SE Cstal, Central Wheat Belt & Gascoyne Cst, Goldfields, Eucla, CW, G Southern & S Cstal districts
- Gale Warning for Esperance Coast. Strong Wind Warning for Albany and Eucla coasts. Cancellation for Gascoyne, Geraldton and Lancelin coasts
- Sheep Graziers Warning for Central West, Lower West, South West, South Coastal, South East Coastal, Great Southern and Central Wheat Belt
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Temperature for next 7 days
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Rain for next 7 days