The mercury will hit 38°C in parts of the UAE on Tuesday before temperatures plunge later in the week. It will be a hot and sunny day across the country, with highs of 38°C in Dubai and 37°C in Abu Dhabi. Winds will be light to moderate and conditions in the Arabian Gulf and Oman Sea are expected to be calm. Wednesday will be another hot day, with similar temperatures and cloudy skies at times. Winds will be light to moderate, becoming stronger throughout the day, kicking up dust and sand over some exposed areas. Dusty skies will remain on Thursday, which will result in a big temperature drop into the mid-20s range. The weather will be similar at the weekend. Temperatures will start to pick up again on Sunday, when they are expected to reach 29°C, and climb further through to the middle of next week.