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The Northwest Highlands

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Viewing forecast for Friday, 25th April, 2014

Forecast last reviewed on Thursday, 24/04/14 at 15:36

Click here to access the PDF version of the forecast.

Summary for all mountain areas

A front will bring a blanket of very low cloud westwards, although some western mountains will be clear of cloud, at least for a few hours. Heavy showers will develop, particularly across England and E Wales, these later merging to give northward moving areas of thundery rain.

Headline, The Northwest Highlands

Very extensive low cloud north and east. Wind strengthening.

How Windy?

Easterly 20mph; tending to strengthen to 25 or 30mph afternoon and evening.

Effect Of Wind?

Small until late in day.

How Wet?

Risk showers

Substantially dry. But scattered showers may develop from about midday, and low threat of these becoming widespread and thundery in the evening.

Cloud on the hills?

Very extensive, but breaking west coast, mainly toward south

Westernmost mountains south of about Torridon substantially cloud free; and there may be breaks on coastal mountains further north. Elsewhere, unbroken very low cloud shrouding even lower slopes, particularly east.

Chance of cloud free Munros?

Almost nil east and north, but 70% south from Torridon

Sunshine and air clarity?

Mostly dull, misty and extensive foggy across even lower hills. Patchy sun western hills toward south, but increasingly hazy.

How Cold? (at 900m)

3C to 7C, highest in areas free of low cloud in afternoon.

Freezing level

Above the summits.

Planning Outlook for all mountain areas from Saturday, 26th April, 2014

Windy on the mountains (particularly Wales and Scottish Highlands) and areas of low cloud and rain on Saturday. Less windy, and generally showery on Sunday, though the low cloud will persist on some eastern mountains. Early next week, over 2 or 3 days turning colder from the north. There will be showers, but by about Thursday substantially dry with the air very clear. Thaw of snow will cease (except where in the sun) for 2 or 3 days, and in valleys, there may well be overnight frost.

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