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Further details
Clearing skies over southeast England this evening and overnight, which has already led to the development of mist and some patchy fog, is likely to allow increasingly widespread and in places dense fog to form. Visibility will fall below 100m in some places. The fog will gradually lift and clear to mist and haze during Saturday morning, persisting longest where visibilities are poorest early on.
East Midlands
- Derby
- Derbyshire
- Leicester
- Leicestershire
- Northamptonshire
- Nottinghamshire
- Rutland
East of England
- Bedford
- Cambridgeshire
- Central Bedfordshire
- Essex
- Hertfordshire
- Luton
- Southend-on-Sea
- Thurrock
London & South East England
- Bracknell Forest
- Brighton and Hove
- Buckinghamshire
- East Sussex
- Greater London
- Hampshire
- Kent
- Medway
- Milton Keynes
- Oxfordshire
- Reading
- Slough
- Surrey
- West Berkshire
- West Sussex
- Windsor and Maidenhead
- Wokingham
West Midlands
- Staffordshire
- Warwickshire
- West Midlands Conurbation
Updated:
Reason for update
Parts of East Anglia removed from warning, which has also been extended a little further west and northwest to account for latest observations and data.