Forecasters issued a weather alert after fog enveloped parts of Abu Dhabi and Dubai. Visibility on Sunday dropped to less than one kilometre in parts of eastern Abu Dhabi, stretching from the coast towards the border with Saudi Arabia in the south. An area between Dubai and the border with Oman was also affected. The fog is expected to clear leaving a sunny and partly cloudy day in most areas. However, the east of the country will be overcast. Winds will be light to moderate and temperatures will reach up to 42°C in Abu Dhabi and 41°C in Dubai. Humidity will increase overnight, bringing the risk of further mist and fog, according to the National Centre of Meteorology.