Met Office meteorologist John West said: "We saw a fairly consistent stream of snow showers overnight, and there will be a constant feed throughout the day and into Friday".
Storm Caroline hasn't even arrived yet, but weather forecasters are already predicting that there's going to be a massive dump of snow hot on her heels.
An amber "be prepared" warning, which includes winds gusting up to 90mph in some areas, has been issued for north and north east Scotland.
Snow and ice has been forecast for large parts of the United Kingdom in the wake of Caroline on Friday and Saturday.
About 8cm of snow fell in Aviemore in the Scottish Highlands today.
Forecasting maps show that between three and five inches could fall in Wales and the West Midlands over the weekend.
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Caledonian MacBrayne ferry services between Tarbert and Lochranza, Oban and Tiree via Coll and Ullapool and Stornoway were cancelled for the rest of the day while many other routes are facing disruption.
Forecasters had earlier warned of a danger to life, with gusts of up to 90mph possible in northern parts of Scotland.
The Met Office said icy surfaces are likely to be an additional hazard, especially overnight.
Wintery storms are due to make their way over British Isles on Saturday, with heavier snow expected on Sunday. "Possible travel delays on roads".
Severe weather warnings have been issued in several regions as more snow and temperatures as low as -12C are set to hit the United Kingdom this weekend.
"Whilst the snow on Saturday will be in the form of showers and many people will not get any, on Sunday we're expecting more widespread snow with around 10 cm in parts of northwest England, the Midlands and Wales, with a chance of 15-20 cm in more exposed isolated areas". Road, rail, air and ferry services may be affected, with longer journey times and cancellations possible.