Issued Thursday 28th April 2016
Friday: Wet weather affects much of the country during the course of the day. In the northern half of the UK it will be cold enough for snow at times and in Scotland significant accumulations are possible. Brighter spell develop at times, these are most likely in the south and west.
Saturday: A dry and cold start with patchy frost is expected but through the morning showers develop. The showers become heavy and widespread in the afternoon and over high ground they could be wintry. Cold for the time of year.
Sunday: Outbreaks of rain push southeastwards across all regions, and in the north and west the rain could be heavy at times. Drier conditions perhaps return in the north for a time but late in the day it turns wet from the northwest again. Less cold than recently.
Bank Holiday Monday: Spells of rain push southeastwards. During the afternoon clearer and showery conditions probably return to much of the north and west.
Tuesday, Wednesday, Thursday: Generally quite unsettled. Showers or longer spells of rain are forecast and in the north it may be cold enough on occasion for snow over high ground. Southern and central regions perhaps become warmer for a time.
Forecast confidence is relatively high throughout the week.
Perhaps warming up.
During the first half of the week changeable conditions are forecast with an ongoing risk of showers or longer periods of rain, although southern and eastern regions probably have drier periods. Temperatures trend upwards.
During the second half of the week southern and eastern regions possibly turn quite warm during dry periods. In the north and west more unsettled weather persists with an ongoing risk of heavy showers or longer periods of rain.
Forecast confidence is moderate to low.
During the early part of the period pressure will fall over Greenland and a westerly flow will return across the UK. High pressure may have more influence on the weather in southern regions at times.
Through the second week high pressure to the east and low pressure to the west may leave the UK sandwiched under a warmer southerly flow. Low pressure may have the upper hand in the west but the south and east perhaps become more settled.
Global Forecast System (GFS) analysis
The GFS is the computer model which we base our 16 day weather forecasts on.
After a cold start temperatures should recover back towards the seasonal average. The Bank Holiday weekend weather will be very mixed with showers or longer periods of rain a risk.
For a huge range of data see the chart viewer page which provides output from the HIRLAM, CFSv2, GEM, GFS, GEFS, ECM, WW3 and Fax models and works on PCs, tablet computers such as the iPad and smartphones.
The 14 day UK weather forecast is updated twice weekly.
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