For much of the UK, it hasn't felt much like winter is coming — or even that autumn is well underway.
The last couple of months have been marked by exceptionally warm and mild weather across much of Western Europe, due to the effects of climate change which also saw Britain have its hottest day on record in July.
Last week saw both the warmest Armistice Day and Remembrance Sunday on record, with highs of 20C and 21.2C respectively — staggering temperatures for mid-November.
But that's all about to change, with the Met Office warning the weather will turn this week as Brits may finally have to dig out their coats and switch the heating on.
Much like Sunday, Monday morning will be foggy — "thick in places" but lifting into low cloud later in the day.
There are a number of yellow weather warnings currently in place for heavy fog covering London, South East England, the East of England, the East Midlands and Yorkshire and the Humber.
"Fog may cause some delays to travel during Monday morning," the Met Office warned, adding that flights could be delayed or cancelled.
Some flights at UK airports were cancelled on Monday morning due to fog.
Heathrow said poor visibility meant it was operating with a reduced flow rate, which means the rate of planes taking off and landing is lower than normal.
British Airways cancelled 15 departures from Heathrow, which were all to domestic and short-haul destinations.
Other airports affected include London City, where six departures were cancelled.
British Airways wrote in Twitter: “There are issues with fog in multiple areas in the UK including London.
"Low visibility procedures are in place therefore some flights have been cancelled.”
London City Airport has also advised passengers to check the status of their flight before leaving home due to "adverse weather conditions", although it did not specify if fog was the issue.
Bands of rain will move from west to east, continuing into Tuesday when it will become heavier and more persistent in the north, and accompanied by strong gales in the northeast.
From Wednesday things are looking even more unsettled with all areas likely to see prolonged showers interspersed with some drier conditions, while there could be "severe gales" in the northeast and throughout the country, it will finally be "feeling colder".
Looking further ahead, the unsettled weather with long spells of wind and rain will continue into next week and there's a chance we'll even see some patchy frost show up in northern areas.
Five-day UK weather forecast
Today :
Mist and fog, thick in places at first, across central and eastern parts, lifting into low cloud through the day. Band of cloud and rain across western areas edging east into central parts, then dry with sunny spells in west.
Tonight :
Cloudy with some rain or drizzle moving into eastern areas with low cloud and hill fog clearing later. Further rain, some heavy, and strong winds into the west.
Tuesday :
Rain, heavy at times, continuing slowly east across remaining areas, becoming persistent in the north, where windy with gales in northeast. Sunshine and heavy showers following into south and west.
Outlook for Wednesday to Friday:
Unsettled and often windy with showers or longer spells of rain all areas, though some drier interludes for many too. Gales or severe gales in the far northeast. Feeling colder.
