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Updated: 0232 on Sat 2 Aug 2014
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Brecon Beacons: latest wind

Saturday, 2 August 2014: dawn to dusk

Printable view Forecast issued: 0209 on Saturday, 2 August 2014

Overview for Saturday

A wet and dull day, with extensive cloud and heavy outbreaks of rain at times. Hill fog likely, especially in the west. Also turning increasingly breezy.

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 Medium Extensive at 300m in west, to 500m in east. Many summits shrouded leading to difficult navigation.
Thunderstorms Low Low risk of very isolated thunder in heavier bursts of rain
Heavy persistent rain High Outbreaks of rain turning persistent and heavy. Treacherous conditions underfoot.
Strong Sunlight No Risk  

key to hazards and forecast content

Weather summary and probability of precipitation for Saturday
Dawn to 0900 0900 to 1200 1200 to 1500 1500 to dusk
Heavy Rain
Heavy Rain
Heavy Rain
Heavy Rain
Heavy rain showers
Heavy rain showers
Heavy rain showers
Heavy rain showers
90% 80% 70% 60%

Detailed mountain weather forecast: Brecon Beacons

Saturday

Weather

Outbreaks of rain will continue across the Brecon Beacons through the morning, turning persistent and heavy in places. These will be most frequent over the western slopes with widespread hill fog expected. Becoming brighter through the afternoon, but with heavy showers likely. It will also gradually turn breezier especially over western peaks.

Visibility

Generally moderate to poor all day in rain, and falling to very poor in hill fog. Occasionally improving to good at times in the east for short periods.

Hill fog

Widespread at 300m in the west, increasing to broken amounts at 500m in the east. Highest summits likely to remain shrouded throughout.

Maximum winds above 400m

Southerly 25mph becoming Westerly 40mph during the afternoon.

Temperature

Valleys Plus 14 Celsius increasing plus 19 Celsius.
800 m Plus 11 Celsius.
Freezing level Above the summits.

Sunday

Weather

A generally dry and increasingly bright day. Whilst some patchy hill fog is possible during the morning, this will soon lift and burn off. Some further patchy cloud and hill fog is possible, with one or two brief showers, however it should be a fine and dry day. With some sunny spells developing it will be feeling quite warm, especially as winds will also gradually ease during the day.

Visibility

Good, increasing to very good at times, although moderate in any isolated showers and very poor in hill fog.

Hill fog

Patches at 400m lifting and clearing in the morning.

Maximum winds above 400m

Westerly 40 mph decreasing to westerly 25mph by the afternoon.

Temperature

Valleys Plus 12 Celsius increasing plus 20 Celsius.
800 m Plus 10 Celsius.
Freezing level Above the summits.

Outlook

Monday

A generally dry and bright day with some sunny spells. Winds continue to ease. However it will turn increasingly cloudy from the west later with some showery rain possible, and also some patchy hill fog.

Tuesday

Mainly dry at first with some bright or sunny spells. Cloud increasing later with some showers or rain possible. These could turn thundery, however they should remain isolated.

Wednesday

Another day of scattered showers and sunny intervals. It will be feeling warm in any brighter spells, whilst winds should remain light.

Neuadd Rain (near Pontsticill)

Altitude 353 metres

Rainfall measured at 03:00 Saturday, 02 August 2014

  • Last 24 hours 3.6 mm
  • Last 48 hours 3.6 mm
  • Last 72 hours 3.6 mm

Rainfall data provided by the Environment Agency. The Met Office is not responsible for content provided by third parties and may remove this data without warning.

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Weather warnings for Wales

Weather forecast for Wales

The Enhanced Mountain forecast for Brecon Beacons 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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