Perspective is everything... I'm smiling at the thought of seeing at least a few snow showers with the chance of a cm or two on the ground, whereas a few on here seem to be seeking the sort of heavy falls of snow that are usually restricted to a lucky few places.
This is largely down to what I consider to be normal IMBY; snow not usually amounting to much or struggling to settle, ice days rare as hens teeth... well, almost!
With respect to that, the early hours of Thursday are looking unusually favourable across the south for an unstable airflow capable of producing more than trace amounts of precipitation. Further north, it's not quite so unusual - but still toward the cold end of what can be achieved with a polar maritime air mass (as opposed to Arctic maritime, which comes into play this weekend into next week).
Speaking of the weekend, signals seem very mixed at the moment depending on who you listen to or what you look at.
Arguably, the surface conditions may be along those very lines - a real kitchen sink of rain, sleet and snow, the latter favoured either where colder, drier air wraps in from the continent or where precipitation is particularly heavy and dew points around zero or below. This second mechanism is by far the best for significant falls and accumulations of snow, and will likely be sporadic in nature when looking at the UK as a whole. I expect there may be many instances of 'they got a lot more down the road from here, just my luck!'
For what it's worth, the Countryfile forecast this afternoon emphasised a tendency for the air to become colder still this weekend - the cahrts shown being along the lines of the UKMO 12z (unsurprisingly) - though with the caveat regarding how far south it gets, which probably depends heavily on whether the Atlantic feeds a shortwave low across into the UK/Euro trough - this could introduce less cold air to the south for a time. Something to be more bothered about much nearer the time.
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T-Max: 30.2°C 9th Sep (...!) | T-Min: -7.1°C 22nd & 23rd Jan | Wettest Day: 25.9mm 2nd Nov | Ice Days: 1 (2nd Dec -1.3°C in freezing fog)
Keep Calm and Forecast On