Australian Government Bureau of Meteorology
Western Australia
TOP PRIORITY FOR IMMEDIATE BROADCAST
Heatwave Warning
Issued at 01:14 PM WST on Monday 15 December 2025
Valid for Monday 15 December 2025 to Wednesday 17 December 2025
Warning for the following areas:
Goldfields, Eucla, South West, South Coastal, South East Coastal, Great Southern and Central Wheat Belt
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 mid thirties to low forties and overnight minimum temperatures in the high teens to high twenties.
Severe heatwave conditions will continue over the southwest before contracting to eastern parts of WA by the middle of the week as a trough moves inland from the west coast. 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 Tuesday 16 December 2025
Forecast
Cookernup (32.9967°S, 115.8936°E, 41m AMSL) set as my default location ›
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7 day forecast
Today: Partly cloudy. The chance of fog and smoke haze near the coast. Winds W 20 to 30 km/h. Daytime maximum temperatures 28 to 33.
Forecast for Cookernup (32.9967°S, 115.8936°E, 41m AMSL) Tue Wed Thu Fri Sat Sun Mon Summary
Minimum 17° 16° 13° 13° 13° 11° 13° Maximum 32° 25° 31° 32° 28° 30° 31° Chance of rain 40% 5% 5% 5% 5% 5% 5% Likely amount < 1mm < 1mm < 1mm < 1mm < 1mm < 1mm < 1mm UV index Extreme Extreme Extreme Extreme Extreme Extreme Extreme Fire Danger Rating Moderate 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 10
(km/h)19
(km/h)18
(km/h)18
(km/h)22
(km/h)15
(km/h)21
(km/h)12
(km/h)21
(km/h)17
(km/h)19
(km/h)13
(km/h)21
(km/h)14
(km/h)Wind direction NW W WSW WSW SE SSE E SW SSE SSE ESE S ESE SSE Relative humidity 58% 47% 62% 50% 58% 32% 55% 32% 52% 29% 50% 25% 48% 29% Dew point 18°C 17°C 12°C 12°C 12°C 11°C 12°C 13°C 10°C 8°C 9°C 7°C 9°C 10°C -
Sunrise and sunset times
Sunrise / Sunset for Cookernup (32.9967°S, 115.8936°E, 41m AMSL) First light Sunrise Sunset Last light Moon rise Moon set Moon phase New moon First quarter 4:34am WST 5:02am WST 7:20pm WST 7:49pm WST 2:04am WST 4:09pm 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