The first wave of heat in July waiting for Muscovites on Friday, July 3. This told the scientific Director of the Russian hydrometeorological center Roman Vilfand.

According to him, the temperature will exceed climatic norm, this weather will last for five days.

— This will be the first heat wave in July. It will start from July 3 and 7, the number will be exact — said the forecaster.

Heat wave is the period from five days, during which the temperature is above normal by five degrees or more. The phenomenon can be dangerous for meteo-dependent people and people of older age.

Vilfand added that hot weather could linger in the capital for more than five days. This Friday and Saturday, July 3 and 4, the limit will be four or five degrees on Sunday, 5 July — five degrees or more, reports TASS.