Mynydd Illtyd weather

Sunny intervals changing to partly cloudy by early evening.
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Mist changing to cloudy by lunchtime.
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Mist changing to overcast by early evening.
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Fog changing to overcast by lunchtime.
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Mist changing to overcast by lunchtime.
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Overcast changing to light rain by late morning.
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Heavy rain.
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Wales weather forecast

Headline:

Cold and frosty, with widespread freezing fog developing.

This Evening and Tonight:

It looks to be clear and frosty for a while tonight, but with widespread fog and freezing fog developing through the early hours, especially for the south. Minimum temperature -4 °C.

Tuesday:

Fog and freezing fog could take much of the day to lift, but some brightness should develop in the afternoon, particularly in the south. Cold where fog lingers. Maximum temperature 8 °C.

Outlook for Wednesday to Friday:

Wednesday and Thursday look to be overcast, with patchy rain at times. Fog patches may linger for much of the day, keeping it chilly. Conditions may turn less murky Friday.

Updated:

UK long range weather forecast

Into the weekend, it will be staying cloudy for most. A spell of rain is likely for a time in the northwest, spreading southeast across most parts, accompanied by strengthening winds. Next week, it looks like the south will see the driest weather, whilst the north could be wetter and windier at times. Later on in this period, some rain may briefly spread further southeast across the UK, although the most unsettled weather is likely to remain in the north and northwest, where some hill snow is possible. Further southeast drier spells will be accompanied by the best of any brightness, along with the greatest risk of fog and frost. Temperatures will generally be near average, although a little below at times in the north.

Updated:

Through the first half of February, we are likely to see a north/south split continuing; with the north being more unsettled than the south. The heaviest of the rainfall and strongest winds are likely to be seen across the northwest. The south is more likely to see drier, brighter conditions with light winds. There is potentially a greater risk of frost and fog patches developing towards the south. During colder, showery interludes, any snow will most likely be over higher ground in the north, but it could fall to lower levels at times. Temperatures will remain close to or above average through the period, though will likely fluctuate as frontal systems pass through, especially in the north.

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