Jazan and Aseer regions are expected to experience moderate to heavy thunderstorms leading to torrent runoff and hail on Thursday, August 13, 2026.
According to the Saudi Press Agency (SPA), the National Center of Meteorology (NCM) reports light to moderate rain for parts of Najran, Al-Baha, and the heights of Makkah. Rainy thunderclouds are also expected in the southern parts of Riyadh and the Eastern regions.
Active winds raising dust and sand will affect several areas, with horizontal visibility potentially dropping to nearly zero on the coastal parts of Madinah and Makkah. High maximum temperatures will persist in the Eastern region and parts of Riyadh, Makkah, and Madinah.
Surface winds on the Red Sea will move northwest to west at 20 to 45 km/h in northern and central parts, and 15 to 35 km/h in the south, potentially exceeding 50 km/h in the center and during southern thundercloud formation. Wave heights will range from one to two meters, reaching 2.5 meters in the central part and during southern storms, leaving the sea moderate to agitated. In the Arabian Gulf, winds will blow southwest to southeast in the north and center, and northeast to northwest in the south at 10 to 28 km/h, with wave heights between 0.5 and one meter and calm sea conditions.
Which regions will experience the heaviest rainfall on Thursday? The National Center of Meteorology forecasts moderate to heavy thunderstorms and hail in parts of the Jazan and Aseer regions. These weather conditions are expected to lead to the runoff of torrents in those specific areas.
How will visibility be affected in coastal areas? Active winds raising dust and sand will impact several regions. Specifically, on the coastal parts of the Makkah and Madinah regions, horizontal visibility may be reduced to a level that is almost zero.
What are the expected sea conditions for the Red Sea? Winds will reach 20 to 45 km/h in northern and central parts and 15 to 35 km/h in the south, potentially exceeding 50 km/h. Wave heights will range from one to 2.5 meters, making the sea moderate to agitated.