Heavy dust storm blanketed Jeddah on Sunday with temperature and humidity remaining quite high. Hot winds added to the agony of Jeddah residents. The weather office attributed the inclement weather to warm surface winds and dust blowing from southwest to south at speed of 18 to 45 km/h. The maximum temperature in Jeddah and surrounding areas was 34?C while the minimum was 22?C with humidity recorded at 85 percent. Although the weather office did not say much, those aware of Jeddah city see it as an onset of summer in the region. The dusty weather will continue on Monday almost with the same temperature, the weather office said.