The Met Office warning states that strong winds could result in some short-term loss of power, damage to buildings and delays to some rail, air and ferry services.
The Yellow Warning covers the period between 3am and 2pm tomorrow (Thursday).
The good news is that the storm will pass through fairly quickly, but not before a wet and windy weekend, especially in the South and West.
"I have to stress there is a lot of uncertainty to this next system overnight and the worst of the winds could be reserved for more northern areas of the country".
"In either case, winds will moderate by late morning across western England and Wales, then by mid afternoon across northern England and southeast Scotland".
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While Harrogate is not directly affected by the official warning, the weather conditions on Wednesday and Thursday are expected to be poor.
A "major change" in the UK's weather is expected in the coming days as Storm Diana sweeps in from the Atlantic.
Met Office meteorologist Sarah Kent said: "I would think twice before going out on Wednesday". Southerly winds will increase very strong with gale gusts.
"During tomorrow winds across a large portion of the country may gust as high as 110 km/h with the strongest winds likely in southern, western and northwestern areas".
John Hammond of weathertrending said: "Computer forecasts show a revved-up jet stream sweeping away high pressure".
"Friday will be brighter but colder with blustery showers". Continuing very windy into the afternoon; but the winds will gradually start to ease a little later; but still fresh to strong and gusty by nightfall, with gales still in southeastern parts.