Dubai and Abu Dhabi may see rain on Tuesday, as well as dust storms.
The weather will be cloudy and hazy at times on Tuesday, the National Centre of Meteorology forecast.
Top temperatures could hit 45°C in Dubai and 44°C in Abu Dhabi on Tuesday, the weather bureau said.
In some parts of the country, particularly in mountain regions, humidity levels are expected to hit as high as 85 per cent.
Conditions will be slight to moderate in the Arabian Gulf and in the Sea of Oman.
