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RainfallPressureCloud amount forecastWarnings
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Forecast
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Not available 0100 on Sat 26 Apr 2014 1300 on Sat 26 Apr 2014 0100 on Sun 27 Apr 2014 1300 on Sun 27 Apr 2014 1300 on Mon 28 Apr 2014
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Updated: 0811 on Thu 24 Apr 2014
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Brecon Beacons: forecast pressure

Thursday, 24 April 2014: dawn to dusk

Printable view Forecast issued: 1712 on Thursday, 24 April 2014

Overview for Friday

A cloudy, dull day in eastern parts of the park. Further west there will be more cloud breaks and sunny spells. Showers developing in the afternoon may be heavy and thundery at times. Strong wind and rain arriving by midnight.

Hazards Risk Explanation
Blizzards No Risk  
Heavy snow No Risk  
Storm force winds No Risk  
Gales Low Winds will strengthen on Friday night, low risk gale force by midnight.
Severe chill effect No Risk  
Persistent and extensive hill fog Medium Patchy hill fog during the day in eastern parts. Becoming widespread through the evening.
Thunderstorms Low Showers through the afternoon may be heavy and thundery.
Heavy persistent rain No Risk  
Strong Sunlight No Risk  

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

Cloudy
Cloudy
Cloudy
Cloudy
Light rain showers
Light rain showers
0% 0% 10% 60%

Detailed mountain weather forecast: Brecon Beacons

Friday

Weather

A cloudy, dull day in eastern parts of the park. Further west there will be more cloud breaks and sunny spells. Showers developing in the afternoon may be heavy and thundery at times. Strong wind and rain arriving by midnight.

Visibility

Generally good or moderate. Poor in any showers or rain. Very poor in thunderstorms and hill fog.

Hill fog

Patches down to 400 metres through the day will be more extensive in eastern parts of the park, and thinner in the west. From dusk this will become widespread and thick.

Maximum winds above 400m

Northeasterly 20 mph through day time, becoming southerly 40mph through the evening, then 50mph by midnight. Small risk 60mph.

Temperature

Valleys Plus 8 rising to 14 Celsius.
800 m Plus 6 Celsius
Freezing level Well above the summits.

Saturday

Weather

A windy day, with a good chance of gales along the peaks. Bands of rain will pass through during the day, with some drier sunnier interludes inbetween.

Visibility

Generally good, moderate in any rain or showers, very poor in heavy showers and hill fog.

Hill fog

Hill fog down to 400 metres in any rain and showers.

Maximum winds above 400m

60mph. southerly at first, becoming southeasterly through the day.

Temperature

Valleys Plus 8 rising to 14 Celsius
800 m Plus 4 Celsius
Freezing level Above the summits.

Outlook

Sunday

Remaining unsettled, but less rain than on Saturday, and winds less strong. Sunny spells inbetween showers. Hill fog above 500 metres expected in showers.

Monday

Mainly dry with moderate winds. Small chance of some showers. Extensive hill fog to 200 metres, rising above the summits by lunch time.

Tuesday

Scattered showers and sunny spells. Extensive hill fog to 200 metres, rising above the summits by lunch time.

Neuadd Rain (near Pontsticill)

Altitude 353 metres

Rainfall measured at 15:00 Thursday, 24 April 2014

  • Last 24 hours 0.0 mm
  • Last 48 hours 7.0 mm
  • Last 72 hours 9.6 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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