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Updated: 0811 on Mon 30 Jun 2014
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West Highland: forecast pressure

Friday, 1 August 2014: dawn to dusk

Printable view Forecast issued: 0141 on Friday, 1 August 2014

Overview for Friday

An unsettled day with showers these becoming heavier and more widespread in the afternoon.

Hazards Risk Explanation
Blizzards No Risk  
Heavy snow No Risk  
Storm force winds No Risk  
Gales No Risk  
Severe chill effect No Risk  
Persistent and extensive hill fog No Risk  
Thunderstorms Medium Scattered thundery showers this afternoon.
Heavy persistent rain Low While heavy showers are expected they will last less than 3 hours.
Strong Sunlight Medium Where the sun breaks through.

key to hazards and forecast content

Weather summary and probability of precipitation for Friday
Dawn to 0900 0900 to 1200 1200 to 1500 1500 to dusk
Light rain showers
Light rain showers
Heavy rain showers
Heavy rain showers
Heavy rain showers
Heavy rain showers
Thundery showers
Thundery showers
20% 60% 60% 60%

Detailed mountain weather forecast: West Highlands

Friday

Weather

An isolated shower is possible overnight but mainly dry with some mist patches possible. A mixed day of sunshine and showers. The showers will be mainly light to start but are likely to turn heavier during the afternoon with a further risk of thunder and hail. The current focus for the heaviest and most frequent showers is over Skye and Assynt where they will be slow moving with some localised downpours possible. The showers will die away during the evening.

Visibility

Moderate or good, but falling poor or very poor in heavier showers. A little hazy with hills beyond middle distance loosing definition.

Hill fog

Generally occasional patches above 900 metres but occasional patches above 600m near any heavy showers.

Maximum winds above 600m

Generally southwest 10 to 15mph but increasing to 20mph with gusts 40mph near heavier showers.

Temperature

Glens Plus 8 Celsius rising to Plus 19 Celsius in the sunnier spells in the afternoon though falling again in showers.
900 m Plus 9 Celsius.
Freezing level Above summits.

Saturday

Weather

Showers dying out early in the night then dry with clear spells. A few mist patches possible. A dry start to the walking day with some sunny spells particularly over Skye and Lochaber. Becoming cloudier from the south with rain arriving in the Trossachs by the middle of the day and to all other parts in the afternoon. This rain will turn heavy at times and will be accompanied by widespread hill fog.

Visibility

Mainly good but falling moderate in the rain and poor over the Trossachs in the afternoon.

Hill fog

Above the summits at first but gradually lowering from the south with extensive hill fog around 450 metres over the Trossachs in the afternoon. Over the Hills of Caithness and Assynt cloud bases will only lower to 800 metres by the end of the walking day.

Maximum winds above 600m

Light and variable at first but a 15 to 20mph northeasterly setting in later increasing 35 gusts 50mph in the evening.

Temperature

Glens Plus 8 Celsius rising to plus 18 Celsius.
900 m Plus 10 Celsius.
Freezing level Above the summits.

Outlook

Sunday

A cloudy day with showers or longer spells of rain, these heavy with the risk of thunder. During the afternoon the rain will become lighter across the south of the area but remaining cloudy with extensive hill fog. Northerly gales for a time.

Monday

A fine dry day with some good sunny spells. A little cooler with good visibility with a moderate southwesterly breeze.

Tuesday

A bright day with sunny spells and a scattering of showers these occasionally heavy particularly across the south. Moderate southwesterly winds.

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Weather warnings for Highlands & Eilean Siar

Weather forecast for Highlands & Eilean Siar

Weather warnings for Strathclyde

Weather forecast for Strathclyde

Weather warnings for Central Tayside & Fife

Weather forecast for Central Tayside & Fife

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