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Updated: 1932 on Wed 16 Apr 2014
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Zoom map SW Scotland, Lothian Borders North West England North East England Yorkshire & Humber Wales East Midlands West Midlands East of England London & South East England South West England Northern Ireland Central, Tayside & Fife Grampian Highlands & Eilean Siar Orkney & Shetland Strathclyde

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Snowdonia: latest wind

Wednesday, 16 April 2014: dawn to dusk

Printable view Forecast issued: 1506 on Wednesday, 16 April 2014

Overview for Thursday

Increasingly cloudy with some patchy light rain. Cooler and clearer later.

Hazards Risk Explanation
Blizzards No Risk  
Heavy snow No Risk  
Storm force winds No Risk  
Gales No Risk  
Severe chill effect Medium Winds of 30-45mph over highest peaks leading to a medium risk.
Persistent and extensive hill fog High Cloud bases at 600m, lifting and breaking later, brining intermittent fog to highest peaks.
Thunderstorms No Risk  
Heavy persistent rain No Risk  
Strong Sunlight No Risk  

key to hazards and forecast content

Weather summary and probability of precipitation for Thursday
Dawn to 0900 0900 to 1200 1200 to 1500 1500 to dusk

Light rain
Light rain
Light rain
Light rain
0% 10% 60% 40%

Detailed mountain weather forecast: Snowdonia



Cloud increasing and lowering from the north through the early hours, as low as 600m through most of the morning/early afternoon. Cloud will be thick enough at times to bring patchy light rain or drizzle, particularly for north facing slopes. Cloud will thin and break through the afternoon as cooler and clearer conditions follow from the north. Strong south-westerly winds over the peaks will make walking difficult at times, particularly on the higher southern routes.


Good or very good, moderate in rain, poor in drizzle and very poor in hill fog.

Hill fog

Widespread above 600m after dawn, particularly on northern slopes. Gradually clearing through the afternoon.

Maximum winds above 500m

West to southwest 25-30mph, gusting 40-45mph over highest ranges at times.


Valleys Plus 5 Celsius increasing plus 13 Celsius.
900 m Plus 4 Celsius becoming plus 2 Celsius later.
Freezing level Above the summits.



A clear and dry night which will be chilly too. Light winds throughout the day with dry conditions and plenty of sunny spells. Some patchy cloud is possible on higher slopes in the morning, but quickly clearing. It will feel pleasant when walking in the sunshine.


Excellent or very good.

Hill fog

Low risk in early patchy cloud above 700m.

Maximum winds above 500m

North to northwest 15-20mph.


Valleys Plus 2 Celsius increasing plus 13 Celsius.
900 m Plus 1 Celsius increasing plus 3 Celsius.
Freezing level Above the summits.



A dry day with plenty of sunshine and light to moderate easterly winds. It will feel warm when walking. Cloud will start to increase into the evening. Some patchy hill fog possible over the highest peaks later. Take care in the sun.


Becoming increasing cloudy throughout the day with winds also increasing from the northeast. Some sunny spells are likely too, particularly on western slopes. Rain, possibly heavy and wintry at times, will spread west through the evening.


Cloudy with hill fog and intermittent rain, possibly heavy at times, throughout the day. There is the odd brighter spell possible too. Winds remaining fresh to strong from the east, particularly over the highest summits. Cold in the wind and rain.

Latest: Yr Wyddfa/Snowdon: Some small patches of snow above 900m. .----



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Weather warnings for Wales

Weather forecast for Wales

The Enhanced Mountain forecast for Snowdonia has been discontinued. All forecast information for these locations can be found in the standard Mountain forecast above.

North East England West Midlands Grampian South West England Central, Tayside & Fife Northern Ireland North West England East of England Highlands & Eilean Siar Strathclyde Wales East Midlands SW Scotland, Lothian Borders London & South East England Yorkshire & Humber

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