Met Office Mountain Weather Forecast

Bannau Brycheiniog (Brecon Beacons) National Park

Forecast valid from 06:00 on Thursday 06 Jun 2024 until 23:59 on Friday 07 Jun 2024

Forecast Issued on Thursday 06 Jun 2024 at 02:13

Confidence: High for overall situation, with sunny spells and the odd shower. Lower in cloud details.

Headline for Thursday 06 Jun 2024: Largely dry with sunny intervals developing.

Mountain weather hazards on Thursday 06 Jun 2024

Blizzards Heavy persistent snow Storm force winds No Likelihood No Likelihood No Likelihood

Gales Severe chill effect Poor visibility No Likelihood No Likelihood No Likelihood

Thunderstorms Heavy persistent rain Strong sunlight No Likelihood No Likelihood High Likelihood

Weather and chance of precipitation at 600m

Time 06:00 09:00 12:00 15:00 18:00 21:00

of of of of 23

Partly cloudy Sunny intervals Sunny intervals Sunny intervals Sunny intervals Sunny intervals (night) Precipitation probability

20% 20% 10% 10% 20% 10%

Forecast for Thursday 06 Jun 2024

Weather: A largely dry day with plenty of sunny spells and only a slight chance of a shower. Late sunshine by evening and turning chillier.

Chance of cloud-free hill tops above 600m: 85% increasing to 95% or more during the morning.

Low cloud and visibility: Mediocre locally with cloud covering summits, bases as low as 600m. This breaking and lifting quickly after sunrise to become very good all-around.

Check our weather forecast every day to get the most accurate and up to date information https://www.metoffice.gov.uk/weather/specialist-forecasts/mountain © Crown Copyright 2024. All Rights Reserved.Met Office Mountain Weather Forecast

Forecast for Thursday 06 Jun 2024

Height (m) Wind Speed mean/gusts (mph) Wind Direction (blowing from)

06:00 09:00 12:00 15:00 18:00 21:00 00:00

600 11/14 NW 12/16 NW 10/16 W 14/21 W 13/19 W 10/16 W 11/17 SW

300 5/10 W 8/15 NW 8/16 W 10/19 W 10/18 W 7/14 W 7/16 SW

Valley 5/11 W 8/14 NW 8/17 W 10/19 W 9/18 W 6/15 W 6/14 SW

Height (m) Temperature / Feels Like (C)

06:00 09:00 12:00 15:00 18:00 21:00 00:00

600 5/2 7/4 9/7 10/7 9/6 7/4 6/3

300 8/7 10/9 13/11 13/11 12/10 9/7 8/6

Valley 9/8 11/10 13/12 14/12 13/11 9/8 9/7

Freezing Level* 1300m 1300m 1400m 1400m 1400m 1400m 1500m

*Level above which ground is expected to be frozen/snow is expected to settle.

Meteorologist's View

Winds remaining brisk at height, giving a colder feel for the start of June. Despite this, UV levels are high, with sun

protection advised.

Recent rainfall: measured at Neuadd: altitude 353m

Recorded at Last 24 hours: Last 48 hours: Last 72 hours:

02:00 on Wed 05 Jun 2024 3.4mm 3.4mm 3.4mm

Forecast for Friday 07 Jun 2024

Weather: A colder start with any mist and fog patches soon clearing. Rather cloudy with some patchy rain at first, lifting

and breaking into sunnier spells and with any rain or showers easing through the afternoon. Low cloud possible by late

evening from the west.

Maximum wind: Westerly 20 mph gusting 25-30 mph.

Chance of cloud-free hill tops 600m: 90%

Low cloud and visibility: Early valley mist and fog soon clearing with cloud bases at 600 - 800 m rising by dawn,

possibility lowering by late evening. Very good visibility though poor in any low cloud or fog first thing.

Temperature: Valleys: Plus 9 Celsius rising to plus 16 Celsius.

At 600m: Plus 5 Celsius rising to plus 10 Celsius.

Freezing level: Above summits.

Check our weather forecast every day to get the most accurate and up to date information

https://www.metoffice.gov.uk/weather/specialist-forecasts/mountain,

© Crown Copyright 2024. All Rights Reserved.