The weather will turn nasty again in the UAE from Saturday as warm north-westerly winds are expected to blow in dust and make the seas very rough. The weather bureau has warned of blowing dust until Wednesday across the country and a marine warning will be on from Sunday as wave heights could reach up to 14 feet offshore. The only good thing about the near gale winds is that the temperatures will drop by three degree Celsius, said Hamad Ahmed Al Ansari, the weatherman at Sharjah Airport. The average temperature will be 23 degree Celsius and the night time temperature is expected to be around 17 degree Celsius. Motorists are advised to drive carefully because of the blowing dust and visibility will be around 1,200 metres in the open areas.