UK weather warnings

Warning details for UK

yellow
Yellow warning
Thunderstorm
Today
UTC+1
Tomorrow

Headline

Thunderstorms may develop bringing torrential rain, hail and lightning to a few places, with potential disruption to travel and flooding.

What to expect

  • There is a small chance that homes and businesses could be flooded quickly, with damage to some buildings from floodwater, lightning strikes, hail or strong winds
  • Where flooding or lightning strikes occur, there is a chance of delays and some cancellations to train and bus services
  • Spray and sudden flooding could lead to difficult driving conditions and some road closures
  • There is a slight chance that power cuts could occur and other services to some homes and businesses could be lost
Further details

Further details

Through Tuesday evening there is potential for thunderstorms to break out, initially across parts of southern England, before developing more widely overnight and then clearing through Wednesday morning. The thunderstorms may merge into areas of more prolonged and widespread rain for a time on Tuesday night and at first on Wednesday. Widely 15-30 mm of rain may fall, with up to 50 mm in a few locations. After a drier interlude, further thunderstorms may develop in a few places during Wednesday afternoon, mainly southeastern parts of England. Whilst rain and flooding is likely to be the largest impact, hail, lightning and gusty winds will be additional hazards.


Warning impact matrix

Very
likely
✓
to
Unlikely
Very low
impact
to High
impact

Regions and local authorities affected:

East Midlands
  • Derby
  • Derbyshire
  • Leicester
  • Leicestershire
  • Lincolnshire
  • Northamptonshire
  • Nottingham
  • Nottinghamshire
  • Rutland
East of England
  • Bedford
  • Cambridgeshire
  • Central Bedfordshire
  • Essex
  • Hertfordshire
  • Luton
  • Norfolk
  • Peterborough
  • Southend-on-Sea
  • Suffolk
  • Thurrock
London & South East England
  • Bracknell Forest
  • Brighton and Hove
  • Buckinghamshire
  • East Sussex
  • Greater London
  • Hampshire
  • Isle of Wight
  • Kent
  • Medway
  • Milton Keynes
  • Oxfordshire
  • Portsmouth
  • Reading
  • Slough
  • Southampton
  • Surrey
  • West Berkshire
  • West Sussex
  • Windsor and Maidenhead
  • Wokingham
South West England
  • Bath and North East Somerset
  • Bournemouth
  • Dorset
  • Gloucestershire
  • Poole
  • Somerset
  • South Gloucestershire
  • Swindon
  • Wiltshire
West Midlands
  • Staffordshire
  • Warwickshire
  • West Midlands Conurbation
  • Worcestershire
Yorkshire & Humber
  • East Riding of Yorkshire
  • Kingston upon Hull
  • North East Lincolnshire
  • North Lincolnshire
  • South Yorkshire

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What do the warning colours mean?

Red warning

  • Dangerous weather is expected and, if you have not done so already, you should take action now to keep yourself and others safe from the impact of the severe weather.
  • It is very likely that there will be a risk to life, with substantial disruption to travel, energy supplies and possibly widespread damage to property and infrastructure.

Amber warning

  • There is an increased likelihood of impacts from severe weather, which could potentially disrupt your plans.
  • This means there is the possibility of travel delays, road and rail closures, power cuts and the potential risk to life and property.

Yellow warning

  • Yellow warnings can be issued for a range of weather situations.
  • It is important to read the content of yellow warnings to determine which weather situation is being covered by the warning.

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