Australian Government Bureau of Meteorology
Western Australia
Fire Weather Warning
for Midwest Coast, Midwest Inland, Lesueur, Yarra Yarra and Swan Inland North fire weather districts
Issued at 02:51 PM WST on Tuesday 23 December 2025
Weather Situation
Very hot and dry conditions on Wednesday with fresh and gusty east to northeasterly winds expected to peak during the morning. Isolated showers and gusty thunderstorms are forecast to develop through northern parts of the warning area during the afternoon.
For Wednesday 24 December:
Extreme Fire Danger for the following areas:
Midwest Coast, Midwest Inland, Lesueur, Yarra Yarra and Swan Inland North
The Department of Fire and Emergency Services advises you to:
Action your Bushfire Survival Plan now.
Monitor the fire and weather situation through your local radio station, www.emergency.wa.gov.au and www.bom.gov.au.
Call 000 (Triple Zero) in an emergency.
For information on preparing for bushfires go to www.dfes.wa.gov.au.
The next warning will be issued by 5:00 am WST Wednesday.
Forecast
Merriwa (31.6668°S, 115.7122°E, 13m AMSL) Merriwa,WA set as my default location ›
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7 day forecast
Merriwa 7 day forecast
Today: Sunny. Winds E 30 to 45 km/h.
Forecast for Merriwa (31.6668°S, 115.7122°E, 13m AMSL) Wed Thu Fri Sat Sun Mon Tue Summary 
Minimum 21° 25° 21° 14° 16° 17° 16° Maximum 37° 37° 26° 27° 29° 29° 31° Chance of rain 5% 10% 10% 10% 5% 5% 5% Likely amount < 1mm < 1mm < 1mm < 1mm < 1mm < 1mm < 1mm UV index Extreme Extreme Extreme Extreme Extreme Extreme Extreme Fire Danger Rating High 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 26
(km/h)13
(km/h)25
(km/h)10
(km/h)24
(km/h)33
(km/h)20
(km/h)29
(km/h)19
(km/h)27
(km/h)22
(km/h)22
(km/h)26
(km/h)19
(km/h)Wind direction ENE ESE ENE NNW SW SW SSE SW SSE SSW SE SSE ESE SSE Relative humidity 34% 17% 24% 21% 72% 60% 47% 42% 48% 46% 51% 34% 51% 29% Dew point 11°C 8°C 8°C 11°C 19°C 17°C 8°C 13°C 11°C 16°C 10°C 12°C 10°C 11°C First light 4:42am 4:43am 4:43am 4:44am 4:44am 4:45am 4:46am Sunrise 5:10am 5:11am 5:11am 5:12am 5:12am 5:13am 5:14am Sunset 7:23pm 7:24pm 7:24pm 7:25pm 7:25pm 7:25pm 7:25pm Last light 7:51pm 7:52pm 7:52pm 7:53pm 7:53pm 7:53pm 7:53pm -
Sunrise and sunset times
Sunrise / Sunset for Merriwa (31.6668°S, 115.7122°E, 13m AMSL) First light Sunrise Sunset Last light Moon rise Moon set Moon phase First quarter Full moon Last quarter New moon 4:42am WST 5:10am WST 7:23pm WST 7:51pm WST 8:42am WST 10:29pm WST 
Waxing crescent
First quarter Dec 28 Full moon Jan 03 Last quarter Jan 11 New moon Jan 19 Merriwa sun & moon times
WednesdayFirst light4:42am
WSTSunrise5:10am
WSTSunset7:23pm
WSTLast light7:51pm
WSTMoon phase
Next OccurrenceMoon riseWed
8:42am
WSTMoon setWed
10:29pm
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 2:51pm UTC Fire weather warning 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 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°- Fire Weather Warning for Midwest Coast, Midwest Inland, Lesueur, Yarra Yarra and Swan Inland North
- Heatwave Warning Western Australia
- Heatwave Warning Western Australia
- Heatwave Warning Western Australia
- Heatwave Warning Western Australia
- Heatwave Warning Western Australia
- Heatwave Warning Western Australia
- Heatwave Warning Western Australia
- Heatwave Warning Western Australia
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Temperature for next 7 days
0 Wednesday Wednesday 37 1 Thursday Thursday 37 2 Friday Friday 26 3 Saturday Saturday 27 4 Sunday Sunday 29 5 Monday Monday 29 6 Tuesday Tuesday 31 7 Tuesday Tuesday 31 -
Rain for next 7 days
0 Wednesday Wednesday 0 1 Thursday Thursday 0 2 Friday Friday 0 3 Saturday Saturday 0 4 Sunday Sunday 0 5 Monday Monday 0 6 Tuesday Tuesday 0 7 Tuesday Tuesday 0
