Issued: 1000hrs Sunday 27th January 2019
Duty forecaster: Claire Darbinyan
Feeling wintry and unsettled
Chilly and unsettled weather patterns are expected to prevail through late January and into February. Temperatures will vary between cool and cold. Some days will see rain, while others bring a greater risk of snow and ice, but precise day-to-day detail remains very uncertain at this time.
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A northwest to northerly airflow dominates the weather on Wednesday. It will be a very cold start to the day with a widespread hard frost and ice patches. It will be a largely dry and bright day though northern and western areas could see a few wintry showers. More persistent, but light, precipitation is possible for the island of Ireland, Wales and southwest England. Highs at 0 to 4C, locally higher in the far south and southwest.
An area of low pressure will affect western parts of the UK and Ireland on Thursday though the exact position of the low still remains uncertain at this time. It is likely to be a cold but dry day in the north; windy with a band of potentially disruptive snow for Wales and central and northern parts of England. Highs at -1 to 1C in the north, 0 to 6C in the south.
An area of low pressure is likely to be located to the south of the UK putting the country in an easterly airflow. The day will start cold with a widespread risk of ice and frost. Wintry showers will affect northern and eastern areas while light but persistent rain will impact southeastern coastal areas. High temperatures at 0 to 7C.
Low pressure remains close by bringing chilly and unsettled conditions. If low pressure moves to the east it could be a brighter day for many with some scattered wintry showers. Detail remains uncertain. Highs at 0 to 5C.
Early indications are that low pressure will remain dominant on Sunday with a risk of a more persistent, organised band of rain and snow affecting southwestern parts of the UK and Ireland. Detail continues to be uncertain. Highs at 1 to 6C.
A weak ridge of high pressure may briefly build over the British Isles on Monday bringing a bright and mainly dry day before the next low pressure system moves in from the west later in the day. High temperatures at 2 to 5C.