The Met Office has issued an Amber Weather Warning for rain for much of South Wales for Friday and Saturday
There are also Yellow Weather Warnings in place for the rest of Wales and large parts of northern England and Southern Scotland.
Much of the UK will experience some heavy rain on Friday, with further spells at times during Saturday, as Storm Callum passes to the north west of the UK. Met Éireann named Storm Callum, which is an intense area of low-pressure passing to the west of Ireland, northern England and Scotland during Friday. This is the third named storm of the season.
Throughout Friday and Saturday, parts of South Wales, covered by the Amber Weather Warning, could see rainfall totals of 40-80 mm widely with 120-160 mm likely over the high ground. While areas covered by the Yellow warnings could see between 50-100 mm on Friday and 50-80 mm on Saturday.
Chief Meteorologist Will Lang, said; “The rain is expected to be accompanied by strong winds, which when combined with high tides may lead to some coastal impacts due to large waves. In addition, leaves and twigs, brought down by the wind, could block drains and culverts, increasing the likelihood of flooding.
Sioned Warrell, Natural Resources Wales Duty Tactical Manager, said: “The forecast rain could cause flooding this week, especially in south and west Wales, and we are urging people to prepare themselves.
“Making sure you know what the situation is like where you live is really important. You can check our website or call Floodline on 0345 988 1188 for any Flood Warnings that may be in place and keep an eye on weather reports and local news for details of any disruption in your area.
“Our teams are doing all they can to reduce the risk for communities, but if there is flooding we want to make sure people are doing all they can to keep themselves safe.”
A Yellow Met Office Weather Warning for wind is in place covering much of the western coastal areas of Scotland, Wales and the South West, as well as Northern Ireland. Gusts of 50 mph are likely with potential for gusts of 60 mph around exposed coasts and hills. Strong winds are expected to arrive across Northern Ireland, southwest England and west Wales during Thursday night, spreading to Scotland by Friday morning. Through the day, winds are likely to ease across parts of Northern Ireland and southwest Scotland.
You can find out the current forecast in your area using our forecast pages and by following us on Twitter and Facebook, as well as using our mobile app which is available for iPhone from the App store and for Android from the Google Play store.