Heavy rain, flash floods expected across Western Saudi Arabia

"Authorities in the Mecca region have urged motorists to exercise caution on highways and avoid flood channels and areas prone to water accumulation, as several provinces are expected to experience thunderstorms from Monday until Saturday.
The National Centre for Metrology has forecast heavy rain accompanied by hail in Jazan, Asir, Al Baha and Mecca, which could lead to flash floods and hazardous road conditions." GulfNews