If you’re travelling through South Africa between 13 and 16 May 2025, especially in the northwestern parts of the country, be aware: a heatwave alert is now in effect.
According to the South African Weather Service (SAWS), these regions will experience extremely high temperatures with minimal relief, making heat-related illness a real risk for travellers on the move.
⚠️Warning advisory: Heatwave conditions are expected over the north-western parts of RSA, lasting until the 16 May 2025.
#saws #saweather pic.twitter.com/jBG852qhIi— SA Weather Service (@SAWeatherServic) May 12, 2025
What travellers need to know
The alert covers areas in the northwestern interior, where soaring daytime temperatures can pose serious health dangers, particularly for those exploring remote or outdoor attractions. Whether you’re road-tripping, hiking, or sightseeing, understanding the signs of dehydration and heatstroke could be lifesaving.
Recognising heat-related illnesses
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Dehydration signs:
- Dry mouth and extreme thirst
- Dark yellow urine or reduced urination
- Headache and dizziness
- Fatigue and confusion
Heat exhaustion warning signs:
- Heavy sweating
- Weak pulse or rapid heartbeat
- Nausea, dizziness or fainting
- Cool, clammy skin despite the heat
Heatstroke symptoms (medical emergency):
- Body temperature over 39°C
- Hot, dry skin (no sweating)
- Confusion or agitation
- Seizures or unconsciousness
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How travellers can stay safe
Hydrate smartly: Carry a reusable water bottle and drink regularly—don’t wait until you’re thirsty. Add electrolytes if possible.
Dress wisely: Choose light-coloured, loose-fitting clothing and wide-brimmed hats to shield yourself from direct sun.
Plan activities thoughtfully: Avoid strenuous outdoor activities between 11AM and 3PM—the hottest part of the day.
Know where to cool off: Identify air-conditioned stops along 222your route, such as cafés, shopping centres, or accommodation with proper ventilation.
Use sun protection: Apply SPF 30+ or 50+ sunscreen frequently and wear UV-protective sunglasses.
What To Do If You Feel Unwell
If you suspect heat exhaustion:
Move to a shaded or air-conditioned space.
Lie down, elevate your feet, and drink cool fluids.
Loosen clothing and place cool, damp cloths on your body.
If heatstroke symptoms are present:
Call emergency services immediately (10177 or 112).
Try to cool the person down with ice packs or cold water while waiting for help.
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