A heatwave hit Egypt on Saturday morning and is expected to last until Tuesday, with peak temperatures in Cairo on Saturday expected to reach 42 degrees Celsius.
Peak temperates will be reached on Monday, the country's Meterorological Authority said.
Cairo is expected to see lows of 28 degrees Celsius on Saturday.
The coastal city of Alexandria will witness highs of 38 and lows of 25 degrees.
Sharm El-Sheikh will see highs of 39 and lows of 29 degrees, while another Red Sea resort, Hurghada, will have highs of 43 and lows of 28 degrees.
The Meteorological Authority advises Egyptians to stay out of direct sunlight for long periods of time between noon and evening and to stay hydrated.