Australian Government Bureau of Meteorology
Western Australia
TOP PRIORITY FOR IMMEDIATE BROADCAST
Heatwave Warning
Issued at 01:04 PM WST on Tuesday 16 December 2025
Valid for Tuesday 16 December 2025 to Thursday 18 December 2025
Warning for the following areas:
Goldfields, Eucla, South Interior, South Coastal, South East Coastal, Great Southern and Central Wheat Belt
Cancellation for the following areas:
South West
Safety Advice:
Severe heatwaves can be dangerous for many people, especially older people, babies, children, pregnant and breastfeeding women, people with medical conditions and people who are unwell.
Seek a place to keep cool, such as your home, a library, community centre or shopping centre.
Close your windows and draw blinds, curtains or awnings early in the day to keep the heat out of your home.
If available, use fans or air-conditioners to keep cool.
Maximum temperatures in the high thirties to mid forties and overnight minimum temperatures in the mid teens to mid twenties.
Severe heatwave conditions will continue over the southern central parts before contracting to southeastern parts of WA by Thursday and then easing as a trough and cooler change moves east across southern WA.
Severe heatwave conditions have eased over the South West district. Locations likely to be impacted include Hopetoun, Hyden, Kalgoorlie, Katanning, Lake Grace, Mount Barker, Narrogin, Ravensthorpe and Wagin.
The next heatwave warning will be issued by 2:00pm WST on Wednesday 17 December 2025
Forecast
Lake Muir (34.4631°S, 116.6876°E, 180m AMSL) set as my default location ›
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7 day forecast
Today: Partly cloudy. Medium chance of showers in the SW, becoming less likely in the late afternoon and evening. Near zero chance of rain elsewhere. Winds W 20 to 30 km/h turning S in the afternoon. Daytime maximum temperatures 21 to 27.
Forecast for Lake Muir (34.4631°S, 116.6876°E, 180m AMSL) Wed Thu Fri Sat Sun Mon Tue Summary 
Minimum 16° 14° 11° 12° 9° 13° 11° Maximum 22° 22° 26° 19° 22° 22° 27° Chance of rain 80% 40% 40% 10% 70% 50% 5% Likely amount 1-5mm < 1mm < 1mm < 1mm < 1mm < 1mm < 1mm UV index Extreme Extreme Extreme Extreme Extreme Extreme Extreme Fire Danger Rating Moderate High Moderate 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 20
(km/h)21
(km/h)16
(km/h)20
(km/h)15
(km/h)15
(km/h)21
(km/h)21
(km/h)10
(km/h)17
(km/h)10
(km/h)18
(km/h)14
(km/h)17
(km/h)Wind direction WSW SW SSE SSE E SSW SSW S SSE SSW SSE S ESE SSE Relative humidity 64% 63% 66% 50% 54% 41% 57% 44% 51% 43% 69% 53% 53% 38% Dew point 13°C 14°C 11°C 11°C 9°C 11°C 8°C 7°C 7°C 8°C 12°C 12°C 10°C 11°C -
Sunrise and sunset times
Sunrise / Sunset for Lake Muir (34.4631°S, 116.6876°E, 180m AMSL) First light Sunrise Sunset Last light Moon rise Moon set Moon phase New moon First quarter 4:27am WST 4:57am WST 7:25pm WST 7:54pm WST 2:30am WST 5:11pm 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
