Tuesday Slack low pressure is centred north-west of the British Isles. A brisk and squally south-westerly wind across southern Britain brings areas of showers, most frequent in the south-west as a series of troughs move off the Atlantic. Risk of hail and thunder. In the afternoon, likely to merge into an hour or more of rain in the south-west. Snow on northern hills. Sunny spells away from showers, best toward the east. Top temperatures 9 to 12C.
Tuesday night A belt of organised showery rain will advance further across Wales & the Midlands, giving persistent rain for an hour or more. Gusty winds, risk of hail and local thunder. Snow possible across hills of northern England & Wales. This will spread eastwards overnight, clearing into the North Sea before dawn. Clear spells developing. Lowest temperatures 0 to 4C. Slight frost in northern Britain & Ireland where winds fall light.
Wednesday Slack low pressure maintains cool and showery conditions. Southern Britain may escape with just well scattered showers and lengthy sunny spells. Areas of slow moving showers are likely to develop across northern & western Britain, also Ireland, most widespread by afternoon, may give an hour or more of constant rain. Local hail & thunder. Snow over mountains. Gusty around showers, otherwise fairly light winds. Daytime highs 9 to 12C.
Thursday A ridge of high pressure builds across the British Isles. Starting chilly, risk of frost, particularly northern Britain. A dry day for many, but a few areas of showers will develop, mostly across the north & west. Small risk of a band of showers over northern France extending toward south-east England. A good amount of sunshine. Mostly light winds, but expect a brisk northerly breeze near southern coasts. Highs 8 to 10C in north, 12 or 13C south.
from Weather forecast weatheronline.co.uk http://ift.tt/1RnGlWe
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