Australian Government Bureau of Meteorology
Western Australia
TOP PRIORITY FOR IMMEDIATE BROADCAST
Severe Thunderstorm Warning
for Heavy Rainfall
for parts of South West district.
Issued at 4:50 am Saturday, 28 March 2026.
Heavy rainfall 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 isolated thunderstorms.
HEAVY RAINFALL for the following areas:
South West
Severe showers and 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 Bunbury.
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 7:50 am.
Check https://www.bom.gov.au/weather-and-climate/warnings-and-alerts. Warnings are also available through TV and Radio broadcasts or call 1300 659 210. The Bureau and Department of Fire and Emergency Services would appreciate warnings being broadcast regularly.
Forecast
Greenbushes (33.8488°S, 116.0588°E, 318m AMSL) set as my default location ›
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Seven day forecast
Today: Cloudy. Very high chance of rain, becoming less likely in the late afternoon and evening. The chance of a thunderstorm in the late afternoon and evening, possibly severe with heavy rain which may lead to flash flooding in the N. Winds E/NE 20 to 30 km/h becoming light in the middle of the day. Daytime maximum temperatures between 16 and 20.
Forecast for Greenbushes (33.8488°S, 116.0588°E, 318m AMSL) Sat Sun Mon Tue Wed Thu Fri Summary
Minimum 14° 16° 13° 11° 9° 9° 12° Maximum 17° 23° 19° 19° 19° 21° 24° Chance of rain 90% 60% 70% 60% 40% 50% 20% Likely amount 5-10mm < 1mm < 1mm < 1mm < 1mm < 1mm < 1mm UV index Very High Very High Very High High High High High Fire Danger Rating No Rating 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 11
(km/h)2
(km/h)9
(km/h)12
(km/h)9
(km/h)21
(km/h)10
(km/h)13
(km/h)2
(km/h)6
(km/h)6
(km/h)7
(km/h)9
(km/h)7
(km/h)Wind direction E WNW W W WNW WNW W WSW NNE W SE SE ESE SE Relative humidity 96% 98% 92% 66% 80% 62% 75% 58% 81% 62% 81% 53% 80% 52% Dew point 14°C 15°C 17°C 15°C 13°C 11°C 11°C 10°C 11°C 11°C 11°C 10°C 14°C 13°C -
Warnings
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Sunrise and sunset times
Sunrise / Sunset for Greenbushes (33.8488°S, 116.0588°E, 318m AMSL) First light Sunrise Sunset Last light Moon rise Moon set Moon phase Full moon Last quarter New moon First quarter 5:59am WST 6:24am WST 6:17pm WST 6:42pm WST 3:42pm WST 1:07am WST
Waxing gibbous
Full moon Apr 02 Last quarter Apr 10 New moon Apr 17 First quarter Apr 24 -
Temperature for next 5 days
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Rain for next 5 days