Australian Government Bureau of Meteorology
Western Australia
TOP PRIORITY FOR IMMEDIATE BROADCAST
Severe Thunderstorm Warning
for Damaging Winds And Heavy Rainfall
for parts of South Coastal, Great Southern and Central Wheat Belt districts.
Issued at 4:53 pm Monday, 15 December 2025.
Severe thunderstorms in parts of the South West Land Division today.
Weather Situation
A trough is moving further inland this evening, triggering thunderstorms in an unstable airmass. Individual thunderstorm cells are moving towards the southeast, and bring the risk of damaging wind gusts; some may also have heavy rainfall.
DAMAGING WINDS and HEAVY RAINFALL for the following areas:
South Coastal, Great Southern and Central Wheat Belt
Severe thunderstorms are likely to produce damaging winds and possible heavy rainfall that may lead to flash flooding in the warning area over the next several hours. Locations which may be affected include Merredin, Corrigin, Hyden, Lake Grace, Southern Cross and Bruce Rock.
Severe thunderstorms are no longer occurring in the Central West district and the warning for this district is CANCELLED.
Cancellation for the following areas:
Central West
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 7:55 pm.
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
Port Denison (29.2764°S, 114.9216°E, 3m AMSL) set as my default location ›
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7 day forecast
Today: Mostly sunny. Slight chance of a shower in the E, becoming less likely early this evening. Near zero chance of rain elsewhere. The chance of a thunderstorm, possibly severe with damaging winds and heavy rain which may lead to flash flooding in the E. The chance of smoke haze in the S later this evening. Winds N/NW 15 to 25 km/h tending NW/SW 20 to 30 km/h in the early afternoon then tending SE/SW 15 to 25 km/h in the evening.
Forecast for Port Denison (29.2764°S, 114.9216°E, 3m AMSL) Mon Tue Wed Thu Fri Sat Sun Summary 
Minimum 21° 21° 19° 17° 20° 19° 21° Maximum 29° 28° 25° 27° 31° 30° 31° Chance of rain 10% 10% 10% 5% 5% 10% 20% Likely amount < 1mm < 1mm < 1mm < 1mm < 1mm < 1mm < 1mm UV index Extreme Extreme Extreme Extreme Extreme Extreme Extreme Fire Danger Rating High High High High High - - 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 13
(km/h)18
(km/h)12
(km/h)27
(km/h)26
(km/h)36
(km/h)18
(km/h)32
(km/h)11
(km/h)31
(km/h)26
(km/h)42
(km/h)25
(km/h)33
(km/h)Wind direction W SW SW SW SSW SW S SW SSW SW S SSW SE SSW Relative humidity 60% 67% 72% 71% 65% 61% 54% 59% 49% 57% 51% 53% 33% 40% Dew point 18°C 21°C 21°C 21°C 17°C 16°C 14°C 18°C 17°C 18°C 16°C 17°C 10°C 14°C -
Sunrise and sunset times
Sunrise / Sunset for Port Denison (29.2764°S, 114.9216°E, 3m AMSL) First light Sunrise Sunset Last light Moon rise Moon set Moon phase New moon First quarter 4:48am WST 5:15am WST 7:16pm WST 7:43pm WST 1:45am WST 3:11pm WST 
Waning crescent
New moon Dec 20 First quarter Dec 28 -
Warnings
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Temperature for next 7 days
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Rain for next 7 days
