There are chances of mist/fog formation in the country until Monday morning, the Qatar Met department has said. "It is expected that the relative humidity will rise from Friday night until Monday morning (June 28) with a chance of mist to fog formation in places by late at night and the morning hours, causing low horizontal visibility of less than 2km," the department said in a post on Twitter on Friday. "Please be careful and follow the latest weather updates through our official accounts," it advised. Meanwhile, today's detailed forecast says poor horizontal visibility is expected in some places due to hazy to misty conditions and a chance of fog in the early hours of the day, both inshore and offshore. A hot daytime and humid conditions by night are also forecast today, the weather report states. The temperature is expected to range from 31-42C in Doha on Saturday.