RIYADH: Authorities on Monday urged the public to exercise caution as further rain and thunderstorms are forecast to hit most regions in the Kingdom until Friday, the Saudi Press Agency reported. People are advised to avoid areas that are susceptible to flooding, not to swim in open water, and to adhere to instructions announced through various media outlets, the General Directorate of Civil Defense said. The Makkah region will have moderate to heavy rain, hail, and strong winds, which will affect the Qunfudah and Laith areas. A similar forecast has been issued for the Riyadh region, including Al-Zulfi, Al-Ghat, Shaqra, Al-Majma’ah and Rumah, as well as the regions of Hail, Al-Qassim, Asir, the Northern Borders and Eastern Province. Moderate rain, and strong winds and dust are expected to affect the Makkah region, including Taif, Maysan, Adham, Al-Ardiyat, Tarabah, Al-Muwayh, Al-Khurma, and Raniyah, as well as the regions of Al-Jawf, Al-Qassim, the Eastern Province, Al-Baha, and Jazan. Some areas of Riyadh will experience similar weather conditions, including Thadiq, Marat, Al-Muzahmiyah, Al-Hariq, Hotat Bani Tamim, Al-Kharj, Darma, Al-Diriyah, Huraymila, Afif, Al-Dawadmi, Al-Quwayiyah, and the regions of Madinah, Hail, the Northern Borders and the Eastern Province.