Don't pack away the winter coat just yet.
In fact it is likely to be the coldest spell - and possibly the longest - since the start of this winter, as the cold easterly winds are likely to persist.
"When that happens it tends to cause cold spells".
As a result, easterly winds will develop, spreading cold air from western Russian Federation towards the UK.
If you woke up this morning clutching the duvet a bit tighter than yesterday, you wouldn't be alone as it's pretty goddamn cold today in the UK.
The so-called "beast from the east" is moving westwards with freezing air from Russian Federation, which will see plummeting temperatures, severe frost and snow accumulations nationwide for the coldest late February in years.
"That's not to say there won't be snow in south Wales, but it will be flurries", he said.
The alert, issued for 9:00 on Friday until 8:00 on 1 March, warns the cold can be unsafe especially for the very young, very old or those with chronic diseases.
The caution said that there was "exceptionally cold weather forecast for the net week", and was originally in place from February 23 until March 2.
Britain is set for the coldest February week in five years as freezing air arrives from Russian Federation.
"There is the potential for locally 5-10 cm of snow across eastern parts however where showers become more organised there may be more widespread snow cover".
The Status Yellow advisory alert is in place for the whole country ahead of bitterly cold conditions, freezing winds and "disruptive accumulations" of snow.
"This is a completely different weather scenario", he said.
"Over 65s, those with conditions like heart and lung diseases and young children, are all at particular risk in cold weather as their bodies struggle to cope when temperatures fall".
The Met Office in the United Kingdom is also monitoring the situation.
I will continue to keep you updated during this period.