The Met Office, Britain's national weather forecaster, said there was a 40% chance that the record of 38.5 degrees Celsius (101.3°F), set in Kent in 2003, will be broken.
A British record high temperature, 38.7°C (101.6 Fahrenheit), may have been reached on Thursday, provisional data from the UK Met Office showed on Friday.
Temperatures pushed towards 50º Celsius (122 Fahrenheit) across much of India on Saturday as an unrelenting heatwave triggered warnings of water shortages and left locals fearing for their livelihoods.
The temperature in France surpassed 45°C for the first time on record on Friday as Europe sweltered in an early summer heatwave that has caused several deaths.
Strong and dust-stirring southerly to south-easterly winds at 40 km/h blew on various parts of the UAE on Thursday, causing horizontal visibility to drop to less than 3,000 metres sometimes in some inland areas for 7 hours.
The NWS said, “Coldest day in over a decade in Juneau as the airport dropped to a frigid - 20°C! Back here at the Juneau Forecast Office, the temperature has dropped to -25°C…”
On Thursday afternoon, rains lashed Wadi Buraq area, near the town of Shawka, about 90km south of Ras Al Khaimah.
The NCM has called on drivers and pedestrians to take all necessary precautions when on the roads due to poor visibility because of the fog. In a statement, the Centre said that poor horizontal visibility is expected at times over some internal areas.
The Emirate of Fujairah and the cities of the emirate of Sharjah witnessed moderate rain on Saturday morning, which resulted in a significant decrease in temperatures and waterlogging in the main roundabouts and streets.