Slieve Gallion (County Londonderry) weather

Headline:

Rain spreading east this afternoon.

Today:

All parts will be dry this morning with some early brightness. Rain will reach the far west by mid-afternoon, and then soon spread east to remaining areas. Maximum temperature 18 °C.

Tonight:

Cloudy this evening with rain turning light and patchy. The rest of the night will be cloudy with occasional light rain or drizzle. A warm night. Minimum temperature 14 °C.

Saturday:

Patchy rain at first otherwise mainly dry, some brightness developing in the north and east. Further rain spreading northeast later in the afternoon. Rather warm and humid. Maximum temperature 20 °C.

Outlook for Sunday to Tuesday:

Cloudy at times with showers, or occasionally longer spells of rain. Windy on Sunday. Rather cool.

Changeable conditions are expected across the UK during this period. Atlantic frontal systems are expected to spread in from the west at times bringing showers or longer periods of rain to many areas. Some heavy rain is possible and this could be thundery at times. Wettest conditions overall are likely to be in the west and northwest of the UK, with conditions comparatively drier in the sheltered east and southeast. Strong winds may also develop at times, particularly in the north and northwest. In between weather systems, some dry interludes are likely with periods of sunshine. Temperatures are expected to be slightly above average overall, but will be cooler in any prolonged periods of rainfall.

Changeable weather across the UK with a mixture of Atlantic weather systems moving in from the west interspersed with dry and sunny periods. Wetter conditions tending to be across the northwest of the UK, with the south and southeast likely to see more in the way of dry weather, Temperatures are most likely to be near normal or slightly above in the north and west, perhaps with some hot spells at times, especially across the south.