Slieve Gallion (County Londonderry) weather

Headline:

Storm Bert bringing periods of rain and gales for Saturday.

Today:

Very windy with persistent and occasionally heavy rain at first, becoming drier with the wind easing towards midday. Mainly dry with bright spells increasing during the afternoon. Milder than of late. Maximum temperature 14 °C.

Tonight:

Cloudy with clear spells, mainly dry evening becoming windy with rain at times from late evening. Turning drier with clear spells towards morning. Milder than of late. Minimum temperature 2 °C.

Sunday:

A cloudy day with bright spells in the morning. Cloud will thicken in the afternoon as showers spread east. Maximum temperature 11 °C.

Outlook for Monday to Wednesday:

Cloudy and windy with scattered showers Monday. the wind will fall light and the showers clear overnight into Tuesday, leaving Tuesday and Wednesday mainly dry with bright spells.

Probably a quieter interlude to start this period for much of the UK as high pressure builds across the north with a return of night frosts. However there is still a risk of some rain across southern parts of the country on Wednesday, although the northern extent of this is uncertain. The high is likely to migrate eastwards during the second half of next week, potentially allowing some outbreaks of rain to move into some some northwestern areas along with some stronger winds. Into December, and while signals are mixed it looks most likely that high pressure may re-assert itself close to or over the UK, with temperatures generally near average, but some overnight frost is likely, and rather cold by day where any fog persists.

The start of this period looks like being largely settled, with high pressure close to if not over the UK. However as we move further into December there are signs that it will become less settled with west or northwesterly types preferred, These will bring some wetter and windier interludes with a risk of some snow, especially for hills in the north. These conditions look more likely to dominate towards the middle of December. Temperatures generally close to average through the period.