The Eastern Province, Najran, Al-Baha, Asir and Jazan regions will likely be impacted by moderate-to-heavy rainfall RIYADH: The Civil Defense has warned of heavy rainfall and flash floods in several regions of Saudi Arabia. Citizens and residents should take precautions by avoiding areas prone to flooding, including valleys, and not swim in dangerous areas, the Saudi Press Agency reported on Friday. It stressed that the public should follow warnings issued by the Civil Defense in the media. There is likely to be dust-laden winds and moderate-to-heavy rainfall in Makkah and Riyadh. The Eastern Province, Najran, Al-Baha, Asir and Jazan regions will likely be impacted by moderate-to-heavy rainfall. In Madinah, the Northern Borders, Qassim and Hail there will likely be light-to-moderate rainfall, the SPA reported.