Forecast for showers and thunderstorms in the north and southeast of the country The National Meteorological Organization announced that on Monday in some areas of the northern belt and in many parts of the southeast of the country, there may be showers of rain, thunder and wind, and from Thursday, with the arrival of a new precipitation system, the western belt, Tehran and the slopes of Alborz will witness rain and snow. According to this report, on Tuesday the amount of rain will decrease in the northern belt, but the amount of rain will increase in the southeast, and the shores of the Caspian Sea will also experience a relative decrease in temperature. This unsettled weather will continue on Friday with strong winds and snow in the higher elevations.