The forecaster says Weather Warnings will be issued near to what it's terming an "event" which will hit during the first week of meterological Spring.
Snow warnings have been issued for London and the south east as freezing air from Russian Federation grips Britain in what is set to be the coldest late February in five years.
A blast of cold air from Russian Federation is set to hit Scotland with the coldest February in five years as the Met Office issues a warning that the country will be hit by snow next week.
The Met Office website reads: "Showers or longer periods of snow will affect eastern parts of the United Kingdom during Tuesday". "However, what makes this situation unusual is the intensity of the cold air for this time of year that is getting pulled down from Siberia".
The weather is set to get colder over the weekend with daytime temperature languishing around 5 or 6 degrees, with nighttime temperatures of -2.
Lincolnshire County Council is lining up its gritters to battle snow and ice right up until mid-March as temperatures are expected to fall to, in some cases, double minus figures. Advisory now in operation.
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Getting accurate information from the remote northeast remains hard . "They're spending a lot of money on arms and logistics".
Met Eireann said it will turn even colder overnight with lowest temperatures between -3C and 0C.
"Sunday will be a dry and sunny day".
The forecaster added: "Those upper air temperatures just get more extreme actually as we go through the course of the day".
While the details of further outlook remain uncertain, Met Éireann cautioning at the moment that it looks like it will be a cold regime for early days of next week with easterly winds, and frosty nights with sub zero temperatures.
Gritting teams out in force as Sheffield prepares for big freezeThe warning states: "Showers or longer periods of snow will affect eastern parts of the United Kingdom during Tuesday". Lows of -2° to -4°C.