Australian Government Bureau of Meteorology
Western Australia
TOP PRIORITY FOR IMMEDIATE BROADCAST
Heatwave Warning
Issued at 12:44 PM WST on Tuesday 23 December 2025
Valid for Tuesday 23 December 2025 to Thursday 25 December 2025
Warning for the following areas:
Gascoyne, Central West, Lower West and South West
Cancellation for the following areas:
Pilbara
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.
For the Gascoyne and Central West Districts expect maximum temperatures in the high thirties to mid forties and overnight minimum temperatures in the mid to high twenties.
For the Lower West and South West Districts expect maximum temperatures in the mid to high thirties and overnight minimum temperatures in the low to high teens rising to the low to mid twenties in northern parts of the Lower West.
Severe heatwave conditions are likely to persist over the next few days, reaching a peak through the middle to later part of the week and then easing over the weekend. Severe heatwave conditions have eased over the Pilbara District however Low Intensity heatwave conditions still persist. Locations likely to be impacted include Perth Metropolitan Area, Dwellingup, Geraldton, Gingin, Kalbarri and Yanchep.
The next heatwave warning will be issued by 2:00pm WST on Wednesday 24 December 2025
Forecast
Millstream (21.4214°S, 117.1599°E, 340m AMSL) Millstream,WA set as my default location ›
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7 day forecast
Millstream 7 day forecast
Today: Partly cloudy. Slight chance of a shower. The chance of a thunderstorm, possibly severe with damaging winds in the SW. Winds NE/SE 15 to 25 km/h.
Forecast for Millstream (21.4214°S, 117.1599°E, 340m AMSL) Tue Wed Thu Fri Sat Sun Mon Summary 
Minimum 28° 28° 29° 31° 30° 27° 26° Maximum 42° 40° 43° 44° 44° 42° 40° Chance of rain 30% 30% 20% 20% 5% 5% 5% Likely amount < 1mm 1-5mm < 1mm < 1mm < 1mm < 1mm < 1mm UV index Extreme Extreme Extreme Extreme Extreme Extreme Extreme Fire Danger Rating High Moderate 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 22
(km/h)27
(km/h)19
(km/h)22
(km/h)13
(km/h)23
(km/h)20
(km/h)27
(km/h)24
(km/h)27
(km/h)17
(km/h)32
(km/h)15
(km/h)31
(km/h)Wind direction SW N E NNE SW NNW S NNW S NW SW NW W NNW Relative humidity 23% 26% 44% 39% 36% 30% 22% 24% 14% 21% 24% 23% 37% 32% Dew point 15°C 19°C 22°C 22°C 20°C 20°C 15°C 16°C 7°C 15°C 13°C 15°C 18°C 19°C First light 5:04am 5:04am 5:05am 5:05am 5:06am 5:06am 5:07am Sunrise 5:28am 5:29am 5:29am 5:30am 5:30am 5:31am 5:32am Sunset 6:52pm 6:53pm 6:53pm 6:53pm 6:54pm 6:54pm 6:55pm Last light 7:17pm 7:17pm 7:18pm 7:18pm 7:19pm 7:19pm 7:19pm -
Sunrise and sunset times
Sunrise / Sunset for Millstream (21.4214°S, 117.1599°E, 340m AMSL) First light Sunrise Sunset Last light Moon rise Moon set Moon phase First quarter Full moon Last quarter New moon 5:04am WST 5:28am WST 6:52pm WST 7:17pm WST 7:59am WST 9:31pm WST 
Waxing crescent
First quarter Dec 28 Full moon Jan 03 Last quarter Jan 11 New moon Jan 19 Millstream sun & moon times
TuesdayFirst light5:04am
WSTSunrise5:28am
WSTSunset6:52pm
WSTLast light7:17pm
WSTMoon phase
Next OccurrenceMoon riseTue
7:59am
WSTMoon setTue
9:31pm
WSTFirst quarterFirst quarter Sun
Dec 28
Full moonFull moon Sat
Jan 03
Last quarterLast quarter Sun
Jan 11
New moonNew moon Mon
Jan 19
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Warnings
Weather Warnings
Tue 12:44pm UTC Severe weather advice WATue 12:44pm UTC Severe weather advice WAAustralian Government Bureau of Meteorology
Western Australia
TOP PRIORITY FOR IMMEDIATE BROADCAST
Heatwave Warning
Issued at 12:44 PM WST on Tuesday 23 December 2025
Valid for Tuesday 23 December 2025 to Thursday 25 December 2025
Warning for the following areas:
Gascoyne, Central West, Lower West and South West
Cancellation for the following areas:
Pilbara
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.
For the Gascoyne and Central West Districts expect maximum temperatures in the high thirties to mid forties and overnight minimum temperatures in the mid to high twenties.
For the Lower West and South West Districts expect maximum temperatures in the mid to high thirties and overnight minimum temperatures in the low to high teens rising to the low to mid twenties in northern parts of the Lower West.
Severe heatwave conditions are likely to persist over the next few days, reaching a peak through the middle to later part of the week and then easing over the weekend. Severe heatwave conditions have eased over the Pilbara District however Low Intensity heatwave conditions still persist. Locations likely to be impacted include Perth Metropolitan Area, Dwellingup, Geraldton, Gingin, Kalbarri and Yanchep.
The next heatwave warning will be issued by 2:00pm WST on Wednesday 24 December 2025Tue 12:44pm UTC Severe weather advice WAAustralian Government Bureau of Meteorology
Western Australia
TOP PRIORITY FOR IMMEDIATE BROADCAST
Heatwave Warning
Issued at 12:44 PM WST on Tuesday 23 December 2025
Valid for Tuesday 23 December 2025 to Thursday 25 December 2025
Warning for the following areas:
Gascoyne, Central West, Lower West and South West
Cancellation for the following areas:
Pilbara
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.
For the Gascoyne and Central West Districts expect maximum temperatures in the high thirties to mid forties and overnight minimum temperatures in the mid to high twenties.
For the Lower West and South West Districts expect maximum temperatures in the mid to high thirties and overnight minimum temperatures in the low to high teens rising to the low to mid twenties in northern parts of the Lower West.
Severe heatwave conditions are likely to persist over the next few days, reaching a peak through the middle to later part of the week and then easing over the weekend. Severe heatwave conditions have eased over the Pilbara District however Low Intensity heatwave conditions still persist. Locations likely to be impacted include Perth Metropolitan Area, Dwellingup, Geraldton, Gingin, Kalbarri and Yanchep.
The next heatwave warning will be issued by 2:00pm WST on Wednesday 24 December 2025Tue 12:44pm UTC Severe weather advice WAAustralian Government Bureau of Meteorology
Western Australia
TOP PRIORITY FOR IMMEDIATE BROADCAST
Heatwave Warning
Issued at 12:44 PM WST on Tuesday 23 December 2025
Valid for Tuesday 23 December 2025 to Thursday 25 December 2025
Warning for the following areas:
Gascoyne, Central West, Lower West and South West
Cancellation for the following areas:
Pilbara
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.
For the Gascoyne and Central West Districts expect maximum temperatures in the high thirties to mid forties and overnight minimum temperatures in the mid to high twenties.
For the Lower West and South West Districts expect maximum temperatures in the mid to high thirties and overnight minimum temperatures in the low to high teens rising to the low to mid twenties in northern parts of the Lower West.
Severe heatwave conditions are likely to persist over the next few days, reaching a peak through the middle to later part of the week and then easing over the weekend. Severe heatwave conditions have eased over the Pilbara District however Low Intensity heatwave conditions still persist. Locations likely to be impacted include Perth Metropolitan Area, Dwellingup, Geraldton, Gingin, Kalbarri and Yanchep.
The next heatwave warning will be issued by 2:00pm WST on Wednesday 24 December 2025Tue 12:44pm UTC Severe weather advice WAAustralian Government Bureau of Meteorology
Western Australia
TOP PRIORITY FOR IMMEDIATE BROADCAST
Heatwave Warning
Issued at 12:44 PM WST on Tuesday 23 December 2025
Valid for Tuesday 23 December 2025 to Thursday 25 December 2025
Warning for the following areas:
Gascoyne, Central West, Lower West and South West
Cancellation for the following areas:
Pilbara
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.
For the Gascoyne and Central West Districts expect maximum temperatures in the high thirties to mid forties and overnight minimum temperatures in the mid to high twenties.
For the Lower West and South West Districts expect maximum temperatures in the mid to high thirties and overnight minimum temperatures in the low to high teens rising to the low to mid twenties in northern parts of the Lower West.
Severe heatwave conditions are likely to persist over the next few days, reaching a peak through the middle to later part of the week and then easing over the weekend. Severe heatwave conditions have eased over the Pilbara District however Low Intensity heatwave conditions still persist. Locations likely to be impacted include Perth Metropolitan Area, Dwellingup, Geraldton, Gingin, Kalbarri and Yanchep.
The next heatwave warning will be issued by 2:00pm WST on Wednesday 24 December 2025Tue 12:44pm UTC Severe weather advice WAAustralian Government Bureau of Meteorology
Western Australia
TOP PRIORITY FOR IMMEDIATE BROADCAST
Heatwave Warning
Issued at 12:44 PM WST on Tuesday 23 December 2025
Valid for Tuesday 23 December 2025 to Thursday 25 December 2025
Warning for the following areas:
Gascoyne, Central West, Lower West and South West
Cancellation for the following areas:
Pilbara
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.
For the Gascoyne and Central West Districts expect maximum temperatures in the high thirties to mid forties and overnight minimum temperatures in the mid to high twenties.
For the Lower West and South West Districts expect maximum temperatures in the mid to high thirties and overnight minimum temperatures in the low to high teens rising to the low to mid twenties in northern parts of the Lower West.
Severe heatwave conditions are likely to persist over the next few days, reaching a peak through the middle to later part of the week and then easing over the weekend. Severe heatwave conditions have eased over the Pilbara District however Low Intensity heatwave conditions still persist. Locations likely to be impacted include Perth Metropolitan Area, Dwellingup, Geraldton, Gingin, Kalbarri and Yanchep.
The next heatwave warning will be issued by 2:00pm WST on Wednesday 24 December 2025Tue 12:44pm UTC Severe weather advice WAAustralian Government Bureau of Meteorology
Western Australia
TOP PRIORITY FOR IMMEDIATE BROADCAST
Heatwave Warning
Issued at 12:44 PM WST on Tuesday 23 December 2025
Valid for Tuesday 23 December 2025 to Thursday 25 December 2025
Warning for the following areas:
Gascoyne, Central West, Lower West and South West
Cancellation for the following areas:
Pilbara
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.
For the Gascoyne and Central West Districts expect maximum temperatures in the high thirties to mid forties and overnight minimum temperatures in the mid to high twenties.
For the Lower West and South West Districts expect maximum temperatures in the mid to high thirties and overnight minimum temperatures in the low to high teens rising to the low to mid twenties in northern parts of the Lower West.
Severe heatwave conditions are likely to persist over the next few days, reaching a peak through the middle to later part of the week and then easing over the weekend. Severe heatwave conditions have eased over the Pilbara District however Low Intensity heatwave conditions still persist. Locations likely to be impacted include Perth Metropolitan Area, Dwellingup, Geraldton, Gingin, Kalbarri and Yanchep.
The next heatwave warning will be issued by 2:00pm WST on Wednesday 24 December 2025Tue 12:44pm UTC Severe weather advice WAAustralian Government Bureau of Meteorology
Western Australia
TOP PRIORITY FOR IMMEDIATE BROADCAST
Heatwave Warning
Issued at 12:44 PM WST on Tuesday 23 December 2025
Valid for Tuesday 23 December 2025 to Thursday 25 December 2025
Warning for the following areas:
Gascoyne, Central West, Lower West and South West
Cancellation for the following areas:
Pilbara
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.
For the Gascoyne and Central West Districts expect maximum temperatures in the high thirties to mid forties and overnight minimum temperatures in the mid to high twenties.
For the Lower West and South West Districts expect maximum temperatures in the mid to high thirties and overnight minimum temperatures in the low to high teens rising to the low to mid twenties in northern parts of the Lower West.
Severe heatwave conditions are likely to persist over the next few days, reaching a peak through the middle to later part of the week and then easing over the weekend. Severe heatwave conditions have eased over the Pilbara District however Low Intensity heatwave conditions still persist. Locations likely to be impacted include Perth Metropolitan Area, Dwellingup, Geraldton, Gingin, Kalbarri and Yanchep.
The next heatwave warning will be issued by 2:00pm WST on Wednesday 24 December 2025For extended forecasts and greater detail visit weather zone° -
Temperature for next 7 days
0 Tuesday Tuesday 42 1 Wednesday Wednesday 40 2 Thursday Thursday 43 3 Friday Friday 44 4 Saturday Saturday 44 5 Sunday Sunday 42 6 Monday Monday 40 7 Monday Monday 40 -
Rain for next 7 days
0 Tuesday Tuesday 0 1 Wednesday Wednesday 5 2 Thursday Thursday 0 3 Friday Friday 0 4 Saturday Saturday 0 5 Sunday Sunday 0 6 Monday Monday 0 7 Monday Monday 0
