The rainiest UK regions this weekend as flood warnings are issuedAn Atlantic low-pressure system to the west of Ireland is bringing widespread and at times heavy rainfall across the UK today and Friday. Atlantic low-pressure systems continue to dominate the weather across the UK, bringing heavy bursts of rain across the country. The rain bands over the areas battered by Storm Chandra bring severe risks of flooding as the river banks are already at their maximum capacity. More rain on the way from the west for the UK, prompting Met Office Yellow rain warnings for Thursday and Friday. Rain bands are forecast to track northeast through the UK, bringing heavy rain across Northern Ireland by Friday morning.