Long tailbacks were reported on E11 highway in Dubai as morning fog covered the emirate on Tuesday morning.
The National Centre of Meteorology issued an alert of fog building up around 2am and is expected to continue until 9:30am.
Fog also enveloped parts of the Northern Emirates.
Weather forecasters said visibility will be reduced in some internal and coastal areas.
A map posted by the centre on Twitter showed patches of fog over Sharjah, Dubai and Al Ruwais.
Visibility was reduced to less than 1,000 metres in these areas.
Abu Dhabi Police warned motorists to drive with caution and follow the speed limits.
In Raknah, in the east, the temperature was just 17.3°C at 6.30am.
The maximum temperature in the country will hit 43°C, while the lowest will be around 22 to 26°C.
“Light to moderate winds, freshening at times will blow dust and sand, across the country, with a speed of 15–25km/hr, reaching 35 km/hr,” said NCMS.
Fifty of the best UAE fog images
