The UAE will see a sunny Tuesday with some clouds forming over the east coast during the morning. Some convective clouds may also form over mountainous regions by afternoon, the National Centre of Meteorology said. Humidity will increase on Tuesday night through to Wednesday morning with the chance of fog and mist forming in the north of the country, the NCM said. Light to moderate winds will cause blowing dust and sand. The weather bureau expects it to reach up to 43°C in Abu Dhabi and 42°C in Dubai. It will be moderate in the Arabian Gulf and slight to moderate in the Sea of Oman.