If a heatwave is forecast for your part of Australia, check the Bureau of Meteorology’s current warning, find a genuinely cool place, reduce strenuous activity and plan safe access to drinking water and necessary medicines. Pay attention to overnight heat: a sequence of hot nights can prevent the body and home from cooling and makes the following day harder to tolerate. People who are older, very young, pregnant, chronically ill, isolated or unable to control indoor temperature may need active support.
If someone is confused, collapses, has a seizure or appears seriously unwell after heat exposure, call Triple Zero (000) for an ambulance immediately and start cooling them. Move the person out of the heat when safe, remove excess clothing and apply cool or cold water, wet towels and airflow while following emergency instructions. Do not force drinks into an unconscious or confused person or someone who cannot swallow safely. Heatstroke is a life-threatening medical emergency, not ordinary discomfort that can be managed by resting alone.
This guide is for families, students, carers, workers, sports organisers and travellers across Sydney, Melbourne, Adelaide, Perth, Brisbane, Canberra, Hobart, Darwin and regional Australia. It explains the Bureau of Meteorology heatwave classifications, how to keep homes cooler, protect children and older adults, recognise heat exhaustion, respond to heatstroke and manage bushfire or power-outage complications. For medical guidance use healthdirect’s heatstroke advice and local state or territory health and emergency instructions. This is not a current heatwave forecast or a personal medical diagnosis.
Quick answer: the 12 actions that matter most
- 1. Check the BoM heatwave forecast and warning for your actual town and the coming days and nights.
- 2. Recognise three heatwave intensities: low-intensity, severe and extreme; severity reflects unusual heat compared with local conditions, not one universal national temperature.
- 3. Move to a cooler environment with safe air conditioning or another effective cooling method when needed.
- 4. Keep sun-exposed rooms shaded and adapt ventilation to whether outdoor air is cooler than indoors and to air quality.
- 5. Drink suitable fluids regularly, subject to any doctor-prescribed fluid restriction or specialist medical advice.
- 6. Stop or postpone heavy exercise and outdoor work when conditions become unsafe; use shade, breaks and appropriate supervision.
- 7. Check on older adults, young children, people with disabilities and those living alone before the hottest period.
- 8. Never leave a child, vulnerable adult or pet in a parked car, even for a few minutes with windows partly open.
- 9. Treat dizziness, nausea, cramps, weakness or faintness as warning signs and act promptly to cool and assess the person.
- 10. Call 000 for suspected heatstroke and begin active cooling; never delay because the weather map is only yellow or no warning is active.
- 11. Watch for hot nights, power outages and nearby bushfire smoke, which may change the safest indoor cooling plan.
- 12. Continue checking conditions and symptoms as the heat eases, rather than assuming the first cooler hour means recovery is complete.
These priorities follow the Bureau’s 17 September 2026 heatwave explanation and healthdirect’s emergency first-aid guide.
What makes a heatwave different from one very hot day?
The Bureau of Meteorology defines a heatwave as a period when both maximum and minimum temperatures are unusually hot for at least three days, compared with the local climate and recent conditions.
A single day at a high maximum temperature can still cause heat illness, but may not meet the formal definition of a heatwave. Conversely, several moderately hot days with unusually warm nights may create significant cumulative stress.
The temperature at which a heatwave is classified in one climate is not necessarily the same in another. Towns with different usual summer conditions may face different hazards at the same numeric maximum.
The practical takeaway is do not dismiss the health risk because the number looks lower than a record or because only the night temperature is unusually high.
Why hot nights can be more important than expected
During a cool night, houses and people may release some of the heat stored during the day. If nighttime temperatures remain high, there is less relief before the next afternoon.
The Bureau’s heatwave knowledge centre explicitly considers unusually hot nights part of a heatwave. Repeated warm nights can also affect sleep, fatigue and infrastructure.
Some upper-floor flats and poorly insulated spaces remain hotter than the outside air well into the evening. An older person may need effective cooling overnight, not merely a shaded seat during the afternoon.
A safe plan includes a bedroom that remains tolerably cool when people need to sleep.
The Bureau’s three heatwave intensity categories
The BoM classifies heatwaves into low-intensity, severe and extreme, using its Excess Heat Factor method and comparison with local conditions.
A low-intensity event is common in summer and many healthy people can cope, though vulnerable people may still experience heat illness. A severe heatwave is more likely to affect vulnerable groups and create significant health risks. An extreme heatwave can challenge even healthy people and have major effects on services and daily life.
These categories are not an instruction that exercise is universally safe at low intensity. A particular person may have medication, illness or heavy work exposure that makes even a less severe forecast dangerous.
Use the classification for preparation and the actual symptoms and environment for immediate health decisions.
Why BoM heatwave warnings target severe and extreme conditions
The Bureau issues public warnings when significant severe or extreme heatwave conditions are forecast for the relevant area. Its products include affected locations, expected daytime and nighttime temperatures and the periods of greatest concern.
A map may cover multiple three-day forecast periods. This matters because the worst cumulative conditions may occur after the first hot day.
The Bureau’s heatwave warning explanation distinguishes forecast heat from the public actions it prompts.
Read the issue time, town, intensity, overnight conditions and duration. Do not assume that because a warning covers a district, every building in it has the same indoor temperature.
The Excess Heat Factor: useful but not an individual diagnosis
The BoM uses an Excess Heat Factor (EHF) to estimate how unusual and intense a heatwave is relative to the local climate and recent temperature history.
It helps forecasters classify events and anticipate impacts. It does not directly measure a particular person’s body temperature or tell whether an air-conditioned home is safe.
A person who is unwell in a workshop, car or hot bedroom may need care even when the nearest weather station does not report severe heatwave classification.
A population warning and an individual medical emergency are different layers of information, and both should be taken seriously.
Australia is not one climate zone
Heat patterns vary widely among the tropical north, inland arid regions, southern cities, coastal communities and highlands. Humidity, wind, building type and access to cooling also vary.
A visitor may be surprised by humid nights in the north or dry extreme temperatures inland. A person living in a cooler city may not be acclimatised when an unusual warm spell occurs.
Check the specific BoM forecast and the local health advice rather than comparing only the maximum temperature in Darwin with one in Hobart.
Heat safety should be designed for the actual location, activity and person, not a single nationwide number.
Recognise heat exhaustion early
Heat exhaustion may cause thirst, headache, dizziness, nausea, muscle cramps, unusual weakness or faintness. Some people sweat heavily; symptoms and appearance can vary.
Move the person to a cooler location and help them rest. Offer an appropriate drink if they are fully alert and able to swallow. Begin cooling, observe their condition and seek medical advice if symptoms persist or worsen.
healthdirect’s hot-weather guidance warns that heat-related illness can deteriorate rapidly.
Do not tell someone who is becoming unsteady or nauseated to finish their shift or walk another kilometre because they are nearly home.
Heatstroke: when 000 is essential
Possible heatstroke signs include altered behaviour, confusion, slurred speech, poor coordination, seizures or loss of consciousness, as well as serious deterioration after high heat exposure.
Sweating does not reliably rule out heatstroke. You do not need a perfect thermometer reading before requesting help for a person with concerning neurological symptoms.
Call 000 for an ambulance immediately, move the person to a cooler place when safe and begin cooling. The operator can give further advice about CPR and monitoring if the person is not breathing normally.
The official healthdirect heatstroke guide is clear that cooling should start during the wait for emergency responders.
First aid: cooling a person while the ambulance is coming
Remove unnecessary clothing, wet the skin with cool or cold water, spray water or use a safe shower when practicable, and fan to promote cooling.
Wrapped cold packs at appropriate body areas can help. If safe and feasible for the circumstances, healthdirect also discusses cold-water immersion of the body from the neck down as an effective cooling method.
Follow the emergency operator’s directions, keep the person’s airway safe and avoid forcing oral fluid if consciousness or swallowing is impaired.
Do not give paracetamol, aspirin or ibuprofen to treat heatstroke: they do not correct the underlying overheating and may be harmful. Cooling and professional medical care are priorities.
Triple Zero 000 and other health information contacts
000 is Australia’s national emergency number for police, fire and ambulance. For suspected heatstroke, request an ambulance and provide the exact address, town, nearest landmark and symptoms.
For non-emergency medical guidance, healthdirect provides health information and advice, including its nurse line 1800 022 222 in relevant service arrangements.
A routine health information service must not replace an emergency call when someone is confused, seizing or unconscious.
Tell responders if the patient is on an upper floor, transport access is restricted or they require mobility assistance.
Hydration is individual, not one universal litre target
Water needs depend on age, activity, temperature, illness, medications and medical restrictions. A person exercising outdoors or sweating heavily may need additional fluid and electrolyte consideration.
Drink suitable fluids regularly before becoming very thirsty when appropriate. Limit alcohol during severe heat and be cautious about drinks that are unsuitable for individual health needs.
A person with heart failure, kidney disease or a prescribed fluid restriction should follow their clinician’s instructions rather than an arbitrary volume found online.
Safe hydration means meeting actual needs without ignoring existing medical treatment.
Keeping a house cooler during the day
Draw blinds or curtains on sun-facing windows, particularly when sunlight is heating the room. Use appropriate air conditioning or other effective cooling when available.
Ventilation strategies depend on weather and indoor conditions. If outside air is hotter than the room, wide-open windows may add heat. When outside becomes cooler and air quality is suitable, safe ventilation can help the building release heat.
Reduce unnecessary internal heat sources, including prolonged oven use or appliances that make a room hotter.
The aim is to maintain an adequately cool environment, not simply follow a fixed rule that every window stays open or closed.
If you have no air conditioning
Identify safe cooler places such as an operating public library, community centre or shopping centre, checking access and opening hours before travelling.
A cool shower, damp cloth, appropriate shade and rest may help, but a very hot room can remain dangerous for a vulnerable person despite a fan.
Do not assume every council runs a cooling centre under that name or at the same hours. Check with the local government or community service.
A practical heat response takes account of what cooling people can actually access, including transport and disability needs.
Fans and the limits of air movement
Fans can help promote cooling in suitable conditions, but effectiveness depends on temperature, humidity, airflow and the person.
A fan in an extremely hot room is not proof that an older resident or infant is protected. If the person remains overheated, seek a genuinely cooler place.
Avoid blocking necessary ventilation for fuel-burning appliances and keep electrical equipment safe. If smoke from nearby bushfires is present, indoor cooling decisions must also consider outdoor particle exposure.
Judge cooling by real conditions and human response, not the presence of one device.
Infants and children
Young children may not recognise thirst or describe heat symptoms clearly. Adults should monitor their behaviour, feeding, hydration, clothing and room temperature.
Babies under six months should receive additional age-appropriate breastfeeds or formula as recommended, not unadvised water replacing their usual feeds or formula diluted incorrectly.
Take breaks during outdoor play and supervise travel. A child can become unwell even in the shade if the day is very humid and the activity is strenuous.
Never leave a child in a parked vehicle, even with open windows or for an apparently brief errand.
Why parked cars can become deadly quickly
A vehicle in the sun can heat rapidly, and a slightly open window does not guarantee safe internal conditions.
Never leave children, older people unable to exit independently or pets unattended in a car during hot weather. Make a habit of checking the back seat before locking the doors.
If you find someone collapsed or seriously distressed in an overheated car, call 000 immediately and follow the call handler’s instructions about emergency access and cooling.
The right prevention is not calculating a safe number of minutes; it is avoiding the unattended hot-vehicle situation entirely.
Older Australians and social isolation
People aged over 65 and those living alone may have chronic conditions, limited mobility, medications affecting heat tolerance or difficulty accessing cooling.
Check in early and ask specific questions: Is the room cool? Is there drinking water? Can the person use the air conditioner? Is prescribed medication available? Do they seem confused or unusually weak?
Arrange practical assistance before the hottest period. A resident who cannot walk to a cooler centre may require transport or support from family or local services.
A heatwave check-in needs an actionable plan, not merely a message asking whether somebody feels hot.
Pregnancy, chronic illness and medicine
Pregnancy and some long-term conditions may increase heat-related health needs. Certain medicines may influence sweating, hydration or the body’s response to high temperatures.
Do not stop or alter prescribed medication solely because a generic guide lists possible interactions. Ask a treating clinician or pharmacist about individual precautions and safe storage.
Check whether a medicine must remain refrigerated or below a certain temperature, especially during power interruptions.
Personal medical advice takes priority over any public guideline that assumes everyone has the same fluid or exercise needs.
Outdoor workers and heat exposure
Construction workers, farm staff, delivery drivers, landscapers and others may produce substantial body heat while exposed to high outdoor temperatures.
Employers should assess the actual heat risk, workload, shade, access to safe water, rest breaks and ability to stop dangerous tasks. Protective clothing can also affect heat dissipation.
A worker showing dizziness or poor coordination should stop and move to cooling. Confusion or collapse warrants urgent medical response.
Workplace heat plans should change the work itself where necessary, not simply place an advisory poster beside unchanged dangerous tasks.
Factories, kitchens and indoor heat
Heat illness can develop indoors where machinery, commercial cooking, industrial processes or poor ventilation add heat.
A business cannot assume workers are safe because they are not directly exposed to the sun. The indoor environment and exertion must be assessed.
Provide effective cooling, suitable rest and a means to report symptoms without pressure to finish a shift. Ensure workers know the emergency address and response plan.
A hot workshop may require the same seriousness as outdoor summer work, even with no BoM warning covering the exact premises.
School sports, athletics and summer camps
Outdoor sport generates additional body heat. During severe or extreme heatwave conditions, organisers should consider cancelling, rescheduling or moving activities into safe, cooler environments.
Provide adequate drinking water, rest and supervision. Children and adolescents may be reluctant to report symptoms when a coach or peers expect them to continue.
Serious heat symptoms require stopping immediately and arranging cooling and medical assistance.
An event date, school timetable or tournament booking must not override the actual health hazard.
Swimming, beaches and open water
People may be tempted to cool off in rivers, surf or swimming holes. Water safety remains important during heatwaves.
Follow lifeguard flags and water authorities, and do not enter unsafe currents or unpatrolled water merely because the air is hot. Alcohol and heat may worsen judgement and dehydration.
Shade, safe water and rest remain important even when participants spend part of the day swimming.
Avoiding heat exposure should never require accepting a drowning or marine-rescue risk.
Bushfire danger may overlap with extreme heat
Hot, dry and windy conditions may elevate bushfire risk, depending on fuels, region and other factors. A heatwave is not proof that a bushfire is active.
Use current state fire agency and BoM warnings before visiting bushland. A direct bushfire evacuation instruction takes priority over ordinary advice to remain indoors during heat.
Smoke may also affect whether outside ventilation is appropriate. Seek a cooler and cleaner-air location if both heat and smoke compromise the house.
Heatwave cooling and bushfire evacuation are different decisions that must be coordinated when hazards overlap.
Smoke, ventilation and filters
During bushfire smoke, opening windows to cool a home may increase fine particle exposure. Closing windows to reduce smoke can, however, make an uncooled room hotter.
Use current local health and fire guidance and consider filtered cooling or relocation to a cleaner cool space when possible.
A particulate mask may reduce some smoke particles during brief necessary exposure, but does not make a threatened fire zone safe.
The right solution protects against both heat stress and smoke, not only one hazard while making the other worse.
Power outages and hot homes
Heatwaves can coincide with high electricity demand or local power failures. A house that relies entirely on air conditioning may become unsafe for medically vulnerable people when cooling stops.
Know the local power company contact and have a plan for an accessible cooler location. Keep phones charged and drinking water available. For someone using life-sustaining medical equipment, discuss backup power and transport with the healthcare provider in advance.
Do not run a petrol generator indoors or in an enclosed garage because of carbon monoxide.
An outage is especially important when it changes whether a person can safely stay at home.
Hot weather and public transport
Trains, buses, roads and electricity systems can be affected by severe heat. Delays may leave passengers waiting outdoors in direct sun or in poorly ventilated vehicles.
Check the operator’s updates and identify a cooler waiting area. Carry suitable water and make special arrangements for people with medical or mobility needs.
If a passenger becomes seriously unwell, seek immediate assistance rather than trying to complete the journey before calling.
A missed train or flight is manageable; delaying help for possible heatstroke is not.
Visitors touring inland Australia
Remote inland areas may have very high temperatures, long distances and limited access to medical care or water. A vehicle breakdown can become a heat emergency quickly.
Check road, weather and distance information before departure. Carry sufficient water and emergency supplies, communicate the planned route and avoid starting nonessential travel into severe heat.
A tourist should not walk a long uncertain distance from a broken-down vehicle in extreme heat without a safe plan and communication. Seek emergency guidance and remain locatable.
The safest travel plan includes the possibility of postponing the trip when forecast heat becomes dangerous.
Regional Australia and remote communities
Some communities may have fewer cooler public buildings, limited transport or intermittent utilities. Health and emergency responses must therefore be adapted to actual local access.
Discuss assistance early with local services, especially for older residents living alone and people dependent on regular treatment.
Do not assume that a shopping centre or hospital is a short drive away or that a remote ambulance can arrive within an ordinary city response time.
A heatwave plan is only useful if it matches the resources and distances in the community.
Nighttime outdoor work and sleep
Some outdoor work can be moved to cooler hours, but a hot night may still bring dangerous temperatures and poor recovery.
Employers must assess actual conditions and not assume the absence of sunlight makes heavy physical work safe. Provide suitable breaks and cooling.
At home, check whether bedrooms remain overheated after sunset. People may need effective overnight cooling and monitoring of health symptoms.
An unusual run of hot nights is part of the official heatwave definition for a reason.
Pets and livestock during severe heat
Animals need suitable shade, safe drinking water and an environment that does not trap heat. Avoid walking dogs on extremely hot pavement and never leave pets in parked cars.
Farmers may require earlier planning for livestock drinking-water access and shade. Do not wait until animals appear collapsed before taking appropriate action.
Seek veterinary help for serious animal distress, and avoid assuming human heatstroke treatment applies identically to every species.
Protecting dependent animals belongs in the household or farm heatwave plan.
Household heatwave checklist
- Confirm the current BoM warning and the worst expected days and nights.
- Identify the coolest accessible room and a backup location if cooling fails.
- Keep suitable water and necessary medicines accessible.
- Arrange regular check-ins for older people and isolated neighbours.
- Adapt outdoor work, school sport and appointments to avoid dangerous exposure.
- Use blinds, shade, suitable air conditioning and sensible ventilation.
- Keep babies and young children in appropriately cool environments.
- Never leave people or pets unattended in hot cars.
- Know the signs of heat exhaustion and suspected heatstroke.
- Save 000 for urgent ambulance assistance.
- Make a backup plan for power failure or medical equipment.
- Check bushfire and smoke warnings where relevant.
A successful checklist reduces real exposure. It should be rehearsed and updated before the heatwave arrives, rather than consulted for the first time during a medical emergency.
Misinformation about heatwave maps
A forecast graphic may come from last summer, another state or an earlier version of a rapidly changing forecast. An orange colour might refer to heatwave intensity, fire danger or another weather map.
Read the source, issue time, affected location, forecast dates and warning type before sharing. BoM warnings do not automatically confirm a public cooling centre or local school closure.
A person can suffer heatstroke even without a formal warning, so a lack of red on the map is not a substitute for recognising symptoms.
Accurate local information helps people act without confusing a weather forecast with a medical diagnosis.
After a severe heatwave
A person recovering from serious heat illness may need continued medical care and advice before returning to strenuous work or sport. Do not assume that a cooler night erases complications from a severe event.
Households should review why a room overheated, whether cooling worked and which relatives could not access help. Employers should review workloads and break arrangements.
Check medicine storage after prolonged electricity failures and ensure normal food refrigeration is safe.
Recovery means addressing the conditions that created the health risk, not merely waiting for the forecast colour to change.
Scenario 1: a Melbourne older resident without cooling
Imagine an older person in a top-floor Melbourne apartment during a severe heatwave. The bedroom remains hot overnight, and the person feels increasingly weak.
Family arrange a cooler accessible place, check medicines and hydration under clinical advice, and maintain contact. They do not assume a fan has solved the problem.
This is a fictional teaching example, not a current Melbourne alert. Its lesson is indoor heat and social isolation can combine into a serious risk.
Scenario 2: a construction worker becomes confused
A worker has been performing heavy outdoor work on a hot day. They become unsteady and confused, but the shift is nearly complete.
The supervisor stops work, calls 000 for an ambulance and begins rapid cooling rather than telling the worker to rest alone.
The lesson is confusion in heat may indicate heatstroke and should be treated as an emergency.
Scenario 3: a family discovers their air conditioner has failed
During several unusually hot days, a household’s air conditioner stops functioning. The indoor temperature increases overnight and a young child becomes restless.
The family seeks effective alternative cooling or suitable accommodation rather than relying solely on closed curtains and an ineffective fan.
The lesson is cooling plans must have a backup when power or equipment fails.
Scenario 4: heat and smoke in an Adelaide suburb
A family experiences severe heat while nearby bushfire smoke affects outdoor air. Opening the windows brings particles in, but keeping them closed makes the house hot.
They follow local health and fire guidance and seek a safe cooler cleaner-air location when appropriate. A direct evacuation instruction would take priority.
The lesson is heat and smoke must be managed together without confusing their warning systems.
Scenario 5: tourists delay an inland drive
Visitors plan a long drive through remote inland Australia while an extreme heatwave is forecast. The route has long distances between services.
They postpone, revise supplies and communicate the change instead of beginning travel with minimal water.
The lesson is a postponed itinerary can prevent a breakdown from becoming a medical emergency.
Scenario 6: a parent leaves children in a parked vehicle
An adult is tempted to leave children in a parked car while entering a shop for a quick purchase.
They take the children inside or change the errand arrangements. They do not try to calculate a safe number of unattended minutes.
The lesson is there is no routine heatwave errand that justifies leaving children alone in a car.
Common Australian heatwave mistakes
- “A heatwave is any single hot afternoon.” BoM considers unusually high day and night temperatures over at least three days.
- “Low-intensity heatwaves cannot affect vulnerable people.” Risk remains for some individuals.
- “Severe and extreme mean the same temperature in every town.” Classification is relative to local conditions.
- “The hottest daytime maximum is all I need to check.” Warm nights add cumulative stress.
- “No red heatwave map means a confused person is safe.” Symptoms determine emergency care.
- “Heatstroke always causes dry skin.” A seriously ill person may still be sweating.
- “Paracetamol treats heatstroke.” It does not correct dangerous overheating.
- “An unconscious person should be given water.” That creates a choking risk.
- “Every adult should drink the same number of litres.” Needs and medical restrictions differ.
- “A fan makes every hot room safe.” Effective cooling depends on conditions.
- “All public libraries are open as cooling centres.” Check current local facilities.
- “Only outdoor workers get heat illness.” Hot buildings can also be dangerous.
- “A child is safe in a car with a partly open window.” Never leave vulnerable people unattended.
- “A heatwave warning means a bushfire is active.” Fire warnings and heat forecasts are different.
- “An open window is always best for cooling.” Consider outdoor heat and air pollution.
- “A generator can run safely inside a garage.” Carbon monoxide can be fatal.
- “Heat illness ends immediately when weather cools.” Severe cases need medical care.
Frequently asked questions
What should I do first during a heatwave in Australia?
Check BoM warnings, move to a cooler place, reduce exertion, drink suitable fluids and check on vulnerable people.
What are Australia’s three heatwave intensities?
Low-intensity, severe and extreme, based on unusually hot days and nights relative to local conditions.
How many days make a heatwave?
BoM defines it as unusually hot maximum and minimum temperatures for three days or longer.
What is Australia’s emergency ambulance number?
Triple Zero (000) for serious emergencies, including suspected heatstroke.
What does heatstroke look like?
Possible signs include confusion, poor coordination, collapse, seizures and other severe deterioration during heat exposure. Call 000 and begin cooling.
Should I give water to a person who has collapsed?
Do not force drinks into a person who is unconscious or cannot safely swallow. Call an ambulance and follow instructions.
Can heatstroke happen indoors?
Yes. Hot homes, workshops, kitchens and poorly ventilated spaces can cause serious heat illness.
Are older people especially vulnerable?
Yes. Many older adults and people with chronic illness or limited cooling access need additional protection and practical check-ins.
Can I exercise during a severe heatwave?
Heavy outdoor exercise may be unsafe; reduce, reschedule or cancel activity according to current conditions and health guidance.
Do heatwaves increase bushfire danger?
Hot and dry conditions can contribute to elevated fire danger, but a heatwave forecast is not the same as an active bushfire warning.
Official Australia heatwave resources and related eduKate guides
- Bureau of Meteorology — Heatwaves: what you need to know, updated 2026.
- Bureau of Meteorology — What is a heatwave?.
- Bureau of Meteorology — Australian heatwaves and their causes.
- Bureau of Meteorology — current weather warnings.
- healthdirect — suspected heatstroke, cooling and calling 000.
- healthdirect — hot weather risks and heat exhaustion.
- healthdirect — managing heat and bushfire smoke.
- Australian Government — emergency contact Triple Zero.
- eduKateSG — What to Do When There Is a Heatwave in Spain.
- eduKateSG — What to Do When There Is a Heatwave in the United Kingdom.
- eduKateSG — What to Do When There Is a Bushfire in Australia.
Editorial review: 11 November 2026. This page is general heatwave and medical safety education, not a live BoM warning or an individual diagnosis. Follow current local health authorities and emergency responders.