The mercury fell to -2.2C (28F) in the Scottish Highlands early this morning, while the coldest place in England was Charlwood in Surrey at -1.4C (29.5F).
Forecasters said the UK s second named storm of the season from Wednesday would bring strong southeasterly winds to accompany the extremely heavy rain , exacerbating any impacts .
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RAC is bracing itself for a 20 per cent rise in callouts tomorrow as more motors will likely fail due to the first freezing nights since last winter - with a -5C (23F) 700 mile-wide shiver from the North Pole.