RIYADH — Most regions of Saudi Arabia will witness thunderstorms on Thursday and the inclement weather will continue for several days, the National Center of Meteorology (NCM) said. The center's forecasts indicate that rain will begin on the heights of Asir, Jazan, Al Baha, Makkah and Madinah regions. After that, the rain will extend eastward of the Kingdom, including the regions of Najran, Al-Qassim, Hail, Riyadh, and the Eastern Region, the center confirmed. The center noted that it will also include parts of the Northern Border regions and Al-Jouf. It is noteworthy that Riyadh witnessed light to moderate rains on Saturday, which included several neighborhoods in the center, north and east of the capital.