Includes all higher summits in the southern half of Wales: the Bannau Brycheiniog / Brecon Beacons National Park, southern Cambrian Mountains and highest Preseli hills.
Brecon Beacons
Sunday 28th April 2024
Last updated
Sun 28th Apr 24 at
7:07AM
Extensive precipitation (of snow high areas) will move northwards across eastern Britain (exact western edge uncertain), but will also pivot so as to clear eastwards across England whilst advancing westward across northern Scotland. Extensively dry with very clear air further west.
A few showers.
Westerly; 15 to 20mph but perhaps for a few hours 25mph on higher tops.
Fairly small.
Scattered showers
Scattered showers, of hail higher tops - mainly afternoon.
Most summits clearing;
Risk from dawn persistent fog higher areas in precipitation east Wales. This will more or less all clear through morning.
80%
Patches of sunshine spreading inland; sunniest west Wales from mid afternoon. Excellent visibility generally, but poor n precipitation.
1C after dawn but extensively 5C by mid afternoon.
Above the summits, although close to freezing point post dawn on Pen-y-Fan.
Brecon Beacons
Monday 29th April 2024
Last updated
Sun 28th Apr 24 at
7:07AM
Southerly between 20 and 30mph; although may reach 35mph for periods in west Wales.
Will impede ease of walking widely, locally giving considerable buffeting and wind chill.
Rain mainly west Wales late in day
Bursts of showery rain from time to time, mainly west Wales. In afternoon and evening, the rain likely to set in for a few hours (particularly west Wales).
Likely to become extensive particularly west Wales
Summits may be free of cloud for periods perhaps for most of the day east Wales. But in rain, cloud likely to cover higher areas, and in SW Wales form blow 450m increasingly.
30%
Weak sunshine occasionally, generally through layers of high level cloud. Very good or excellent visibility but deteriorating to become poor in rain.
3C rising to 5C.
Above the summits.
Brecon Beacons
Tuesday 30th April 2024
Last updated
Sun 28th Apr 24 at
7:07AM
Southerly speeds may well vary: typically 25-30mph, but for periods 35-40mph (strongest winds toward the west).
Likely to impede ease of walking on higher areas, and toward the west give considerable buffeting and wind chill on some slopes.
Rain intermittently
Busts of showery rain from time to time, perhaps setting in for a couple of hours. Threat one or two heavy bursts.
Frequently covering higher slopes
Cloud on higher slopes mainly above 700m will come and go - although in SW Wales, the fog may be persistent, sometimes shrouding areas below 300m.
60%
Little or no sunshine. Mosstly good visibility although hazy.
6C
Above the summits,
Much less cold next week with freezing levels above the mountains. Rain from time to time, particularly Wales - some of the rain heavy and thundery in character. Wind direction predominantly easterly, resulting in frequent low cloud on more eastern mountains, with highest cloud base often near the west coast.