Britain is set to be battered by 60mph winds and a "month's worth of rain" in a major U-turn following the record-breaking heat-wave.
A day after many in the UK were basking in 27C, today sees a deep area of low pressure bringing gale force winds - with a weather warning issued by the Met Office.
Much of Northern Ireland is subject to the yellow wind warning in place between 10am and 9pm, which threatens loss of power and transport disruptions.
BBC forecaster Helen Willetts said such weather is "unusual for this time of year" and will be felt across much of the country.
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