Gale force winds of more than 50 mph will rage across parts of the UK today as a blast of Icelandic weather sweeps over the country.
Tuesday will also see heavy rain as the day wears on, with the worst of the torrential downpour likely to strike the north.
By the afternoon the Met Office is predicting wind gusts of up to 52 mph in some north western regions of Scotland.
The stormy weather and strong winds will be felt all over the northern nation, as well as in northern regions of England and Wales.
The south coast will be spared the full wrath of the storm and forecasters predict gusts of about 15mph in many areas in the far south.
After a dry start to the day, and with some sunshine in the south and east, conditions will soon give way to a heavy downpour in vast swathes of the country.
The wet weather will strike many parts of the UK, with the worst affected regions in the north, as the band of rainfall lashes the country before slowly moving south.
The strongest wind is expected to be felt from midday before ramping up by about 3pm.
Experts at the Met Office had previously issued warnings of gales and downpours hitting the North-West from Tuesday, and said it could spread to other parts from Thursday.
A Met Office spokesman said: “For many it will get off to a fine start this week but the weather is going to turn more unsettled and it will turn colder too.
“Through the rest of the week we are going to see a spell of wet and blustery weather pushing through as we go through Tuesday into Wednesday.
“But it’s towards the end of the week a deeper area of low pressure is going to bring more unsettled weather to most parts.
“For all of us, we’re likely to see temperatures dropping.”
The chaotic weather comes from an 800 mile-wide storm that was centred on Iceland.
And conditions are predicted to get worse as March draws to a close, with the north west facing the worst of the wintry showers by Friday and the mercury could dip as low as 2C by the weekend.
Temperatures are also expected to plunge during the week and experts are warning of a chance of flooding in some areas in England.
The Environment Agency currently has 10 flood alerts in place for the country, meaning ‘flooding is possible’ in affected areas.
MET OFFICE OUTLOOK
Fine but cloudy for many with some drizzle on coasts and hills in the west. A cold start with a little fog in the south but some sunshine by day. Heavy rain and gales in the northwest later.
Rain in the northwest, heavy on hills, moving gradually southwards. Mild for many in England but northern parts turning colder with showers arriving in the NW.
Cloudy in south with a little light rain or drizzle but brighter to the north with some showers for Scotland, Northern Ireland and perhaps northern England. Blustery in the north.