Jazan:Moderate to heavy thunderstorms, which may lead to flash floods and be accompanied by hail and gusty, dust-stirring winds, are anticipated in parts of Jazan, Aseer, Al-Baha, and Makkah regions. Light to moderate rain showers may also affect parts of the Madinah Region. According to Saudi Press Agency, thunderclouds are likely to form over the southern parts of the Eastern Region, and fog may develop in parts of these areas. Gusty, dust-stirring winds are expected over parts of the Northern Borders, Al-Jouf, and Tabuk regions. The weather over the Red Sea will feature northwesterly to northerly winds at speeds of 20-40 km/h, and southwesterly to northwesterly winds at speeds of 10-50 km/h. Wave heights may vary from half a meter to over two meters, resulting in calm to choppy sea conditions. In the Arabian Gulf, winds will range from southwesterly to northwesterly at speeds of 10-25 km/h, and northeasterly to easterly at speeds of 10-25 km/h. Waves are expected to range from half a meter to one meter, maintaining a calm sea state.