Storm Éowyn has been named by the Met Office and will bring severe gales to parts of the United Kingdom on Friday.
The Met Office has issued yellow warnings for wind on Friday and Saturday.
Gusts of up to 90mph (145km/h) - or possibly even more - could bring localised damage, power cuts and travel disruption. Heavy rain and hill snow are also expected.
It will mark a big change from the quiet and rather cold weather that has dominated over the last week or so, bringing mist and fog to some parts of the UK.
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While some of the details may still change, depending on the exact track Éowyn takes in the UK, the strongest winds on Friday are likely across parts of Northern Ireland, southern Scotland, northern and western areas of England and Wales.
The Met Office warns of gusts between 80-90mph (129-145km/h) around hills coastal areas of the Irish Sea.
But widely gusts of 60-70mph (97-113km/h) are expected through the day.
Elsewhere, across northern and western Scotland, parts of the Midlands and southern England, gusts of 50-65mph (80-105km/h) are expected but around coastal areas up to 80mph (129km/h).