High confidence for unsettled conditions over the next couple of days but lower confidence for exact timing of rain and cloud base height. High confidence for more settled conditions in the latter part of the week.
A cloudy evening for most of the Brecon Beacons with the cloud thickening enough to give some outbreaks of light rain and drizzle, cloud bases will be well below summits with poor visibility.
Poor visibility presents challenging route finding conditions. Visibility could be significantly less than 50 metres in all directions with few or no visual references, especially on featureless moors or plateaux. Distances become hard to judge and cliff or cornice edges can be difficult to recognise. These conditions require good navigational skills. There is a risk of white-out conditions when mist or fog is combined with extensive snow cover.
A cloudy day with light rain and drizzle throughout the day, cloud bases will be low with poor visibility. Moderate southwesterly winds.
|Chance of precipitation|
|600m||SW 19 25||SW 18 23||SW 17 22||SW 21 27||SW 22 29||SW 21 28||SW 22 29||SW 21 28|
|300m||SW 11 23||W 10 21||SW 9 18||SW 11 23||SW 13 26||SW 13 27||SW 12 24||SW 9 20|
|Valley||W 10 22||W 9 21||SW 7 17||SW 9 21||SW 11 24||SW 12 25||SW 9 21||SW 9 20|
A dull day with thick cloud giving light rain and drizzle cloud bases will be lower than most summits. Some heavier spells of rain likely particularly in the southwest.
20%, Some breaks in the cloud will develop late on Tuesday evening with some summits clearing.
Poor visibility of a few kilometres or less in the rain and drizzle.
Moderate south westerly winds with strong gusts on the summits.
Rainfall data provided by Natural Resources Wales. The Met Office is not responsible for content provided by third parties and may remove this data without warning.
A cloudy day with outbreaks of rain and drizzle becoming heavy at times, cloud bases are expected to be well below summits until the evening. Feeling cooler as the winds swing round to a north westerly direction in the evening.
Southwesterly winds 20-25mph with gusts around 30mph on summits, later winds will veer Northwesterly and ease to 15mph with gusts 20mph.
20% chance of cloud free summits during the day increasing to 50% by late evening.
Poor or very poor during the day with little chance of any views from the summits becoming moderate in the evening.