The National Center of Meteorology (NCM) has issued its daily forecast report for the weather in the Kingdom of Saudi Arabia. The report said that the decrease in temperatures will continue in most regions of the Kingdom of Saudi Arabia, while active winds will affect the range of horizontal visibility in parts of the Eastern and Riyadh regions, extending to parts of Najran region as well as parts of Medina and Makkah regions. The report added that thunderstorms are forecasted on parts of the heights of the regions of Jazan, Asir, Al-Baha and Makkah. The report showed that the surface wind movement in the Red Sea will be northeasterly to northwesterly at speed of 15-38km/h on the northern and central parts, and southeasterly to southwesterly at speed of 15-35km/h on the southern part, while the surface wind movement in the Arabian Gulf will be northerly to northwesterly at speed of 20-45 km/h.