Strong winds are battering the UK after the Met Office issued a yellow weather warning.
The warning for wind was issued at 6.25am on Monday morning and covers the whole of England, Wales and Northern Ireland as far north as Cumbria.
It will be in place until 10pm.
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Gusts of up to 45mph are expected inland, while exposed coastal areas could see winds of up to 55mph with heavy rain showers.
The Met Office said hail and thunder would spread to all parts of the country during the afternoon.
The forecaster warned windy conditions are likely to cause delays to road, rail, air and ferry transport, as well as a possible short-term loss of power.
It advised those travelling on Monday to check road conditions if driving or public transport timetables and to amend plans if necessary.
Those on the coast should be aware of large waves and take care if walking near cliffs, it added.
Stormy conditions were seen in southern England on Monday morning, with thunder and lightning in Basingstoke, Hampshire.
Eight flood warnings are in place in England, according to the Environment Agency, along with 63 flood alerts.
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It comes after parts of the UK experienced unusually warm temperatures over the weekend, with 21.8C recorded in Writtle, Essex, on Saturday.
The rest of the week is predicted to be drier and less windy, with showers in northern Scotland and parts of Northern Ireland on Tuesday, but sunny weather elsewhere, especially in the South and east of England.
Temperatures across much of the country are set to be close to their seasonal averages.
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By Friday temperatures are expected to reach the low to mid-teens, with slightly warmer conditions in the South.
The lighter rain seen across some parts of the UK will slowly move away towards the end of the week, forecasters said, making for a mostly dry weekend.
