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Brecon Beacons: latest visual satellite
Tuesday, 18 June 2013: dawn to dusk
Printable view Forecast issued: 0528 on Tuesday, 18 June 2013
Overview for Tuesday
A rather cloudy morning with the chance of some heavy and possibly thundery showers at times. Showers will generally ease and clear through the afternoon.
| 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 | No Risk | |
| Thunderstorms | Low | Low risk of heavy and thundery showers developing at times through the day. |
| Heavy persistent rain | No Risk | |
| Strong Sunlight | Medium | Sunny spells and moderate UV levels bringing a medium risk of sunburn today. |
key to hazards and forecast content
| Dawn to 0900 | 0900 to 1200 | 1200 to 1500 | 1500 to dusk |
 Heavy rain showers |
Heavy rain showers |
 Light rain showers |
 Sunny intervals |
| 30% | 30% | 30% | 20% |
Detailed mountain weather forecast: Brecon Beacons
Tuesday
Weather
A rather cloudy morning with scattered showers at times throughout the day, which may be heavy and possibly thundery. Showers will generally ease and clear away through the afternoon with some sunny spells developing. Winds staying light throughout and feeling quite warm and muggy.
Visibility
Generally good or very good, but moderate in showers, falling to poor in any heavy showers and very poor in hill fog.
Hill fog
Patches around the summits during any heavier showers.
Maximum winds above 400m
Southeasterly 20-25 mph.
Temperature
| Valleys | Plus 12 Celsius rising to Plus 21 Celsius. |
| 800 m | Plus 13 Celsius. |
| Freezing level | Well above the summits. |
Wednesday
Weather
A largely dry, fine and warm day across the Park, with plenty of sunny spells developing throughout the day. Feeling warm in the sunshine and also increasingly humid and muggy. Winds remaining mostly light.
Visibility
Generally good or very good, but falling to very poor in hill fog.
Hill fog
Patches of hill fog above around 500 metres, lifting above the peaks through the morning.
Maximum winds above 400m
Northwesterly 20-25 mph.
Temperature
| Valleys | Plus 14 Celsius to Plus 22 Celsius. |
| 800 m | Plus 14 Celsius. |
| Freezing level | Well above the summits. |
Outlook
Thursday
Largely cloudy with outbreaks of showery rain through much of the day, which could be heavy and thundery at times. Winds staying mostly light with a fresher feel compared to Wednesday.
Friday
A much drier and sunnier day with winds staying fairly light. Through the latter part of the afternoon, it may tend to cloud over from the west but it should dry throughout.
Saturday
Persistent rain through the morning will clear to leave an afternoon of sunny spells and showers. Much breezier than recent days.
Neuadd Rain (near Pontsticill)
Altitude 353 metres
Rainfall measured at 03:00 Tuesday, 18 June 2013
- Last 24 hours 1.2 mm
- Last 48 hours 3.8 mm
- Last 72 hours 10.6 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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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.
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