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Summary
More sleet and snow are expected across southern England and south Wales today, while scattered snow and hail showers will affect Scotland’s northern coasts as the Arctic blast intensifies.
Temperatures at Kinbrace in the Highlands dropped to -15.4C overnight, making it the coldest night of the year so far, the Met Office has said.
Bristol airport has temporarily grounded all flights due to heavy snowfall in the area.
Forecasters expect nighttime sub-zero temperatures in all four UK nations until at least Friday. The Met Office issued several yellow weather warnings for snow and ice that it said may lead to injuries from slips and falls and could cause travel disruption.
Updated