HEATWAVE: Coast town to sizzle at close to 40 degrees

A HEAT wave that will hit the Sunshine Coast over the next 24 hours could push one town's temperatures close to a scorching 40 degrees.

The Bureau of Meteorology is predicting Nambour to 39 degrees on Friday with temperatures to remain above 35 degrees until at least Tuesday next week.

Maroochydore (36 degrees), Caloundra (37) and Noosa (35) will also swelter on Friday.

Severe thunderstorms are forecast to hit parts of the Sunshine Coast over the next three days.

The Bureau has issued warnings ahead of the "severe to extreme heatwave conditions", with an "extreme heatwave" will in place for south-east Queensland and into NSW on Friday, Saturday and Sunday.

Queensland doctors have warned the searing heat could be deadly without taking proper precautions.

AMA Queensland President Dr Chris Zappala said people should aim to stay cool and hydrated.

"Heatwaves are the most deadly natural phenomenon in Australia, claiming hundreds of lives each year," Dr Zappala said.

"This summer is set to be a scorcher so it's important for all of us to take extra care.

"That's especially true of vulnerable groups like the sick, elderly, babies, pregnant women, and breast-feeding mothers."

AMA Queensland recommends six simple steps to stay safe in the heat:

  1. Drink plenty of water - even if you do not feel thirsty. Judge fluid intake adequacy by how often you go to the toilet - it should be many times a day!
  2. Spend as much time as possible in air-conditioned or cool environments.
  3. Keep cool by using wet towels, taking cool showers or going for a swim.
  4. Stay out of the sun during the hottest parts of the day.
  5. If you have to go outside, stay in the shade and take water with you.
  6. Wear a hat, light, loose-fitting clothing, sunscreen and sunglasses - slip, slop, slap wrap!