Greek Meteorological Services warn of severe weather for Saturday and Sunday
The extreme weather phenomena will also hit Halkidiki
Heatwave with temperatures up to 41C in Greece this week
The high temperatures will ease gradually from Friday
A Mexican city was covered in ice after a freakish summer hailstorm (video-photos)
The Mexican city woke up Sunday morning to more than 3 feet of ice in some areas after a heavy hailstorm swept through the region