Freya will have moved into the North Sea by rush hour on Monday morning, although there will likely be some residual impacts in its wake.
There could also be damage to buildings and trees, with travel disruption and power cuts possible.
The weather warning kicks in at 3pm today and is staying put until 6am on Monday morning.
Wind speeds reached almost 80mph, trees were felled and roads closed as the weather caused disruption.
This beat the previous record of 9.8C, set in 1998.
People enjoying the sunshine at Woolacombe, North Devon, as Britain experienced warm February temperatures.
Odds are now set at 7/4 that the United Kingdom sees speeds of 100mph or higher before the end of the month.
Alex Apati of Ladbrokes said: "Storm Freya could play a role in what looks set to be the wettest - and possibly windiest - March ever".
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Significant accumulations (of snow) will, however, be largely limited to higher ground.
According to the Met Office website, winds will strengthen through Sunday afternoon, with gusts of 55-65mph expected across England, Wales and southern Scotland.
Farnborough Road has been cordoned off with emergency services at the scene.
The highest wind speed was recorded in Mumbles where the Met Office said there were gusts of 76mph and South Wales Police earlier tweeted conditions on Gower were "atrocious".
"It will be developing as it goes across the United Kingdom and it will be bringing very strong winds".
The winds, and likelihood of rain, will pick up slightly into the late afternoon, he added, but not to the extent seen on Sunday evening.
Gusts are forecast to reach up to 90kph and 100kph, with coastal areas worst affected.
Met Éireann forecaster Joan Blackburn said that there is lying snow in places, and it will be a cold and showery day ahead with a chance of further snowfall.