Met Office fog warning raises travel disruption risk

Thick fog is expected to blanket large parts of England and Wales from Sunday evening into Monday morning, with a Met Office yellow warning in force as forecasters highlight a “perfect recipe” of conditions that could significantly disrupt travel.

Yellow fog warning in place from Sunday evening

The Met Office has issued a yellow weather warning for fog covering a broad swathe of the country between 6pm on Sunday 8 November and 11am on Monday 9 November. Publicly available forecast information indicates that the warning stretches from around York in northern England down to Bath in the south-west, taking in much of the Midlands, East Anglia and the South East, along with parts of Wales.

The agency’s National Severe Weather Warning Service guidance describes the risk of “fog leading to difficult travel conditions and possible delays,” with visibility in some locations expected to fall to around 50 metres or less. Official mapping of the warning area shows that major population centres including Liverpool, Sheffield, York, Cardiff and Wrexham lie within or close to the affected zone.

The yellow category is the lowest of the Met Office warning levels but signals that weather could still cause disruption to day-to-day activities. Current advice stresses that warnings may be updated as conditions evolve, and that travellers should keep checking local forecasts for the latest information.

‘Perfect recipe’ for persistent autumn fog

Coverage from UK broadcasters and newspapers reports that forecasters are describing the current set-up as a “perfect recipe” for fog across large parts of the UK. A zone of high pressure has settled over the country, bringing clear skies, long November nights and very light winds, all of which help fog to form and linger.

Explanations shared in recent Met Office briefings note that, at this time of year, longer nights allow surface temperatures to drop quickly. As the air cools toward its dew point, moisture condenses into tiny droplets suspended near the ground, creating thick fog. Light winds prevent that layer from mixing out, while clear skies allow temperatures to fall further, making the fog more stubborn on Monday morning.

Forecasters expect some of the most persistent fog in rural parts of the Midlands, Wales and East Anglia, where temperatures could fall close to freezing, bringing a risk of air frost. In these areas, visibility may remain severely reduced through the morning commute before slowly lifting into low cloud.

Travel disruption likely on roads, rails and at airports

Guidance published by the Met Office for the current yellow warning highlights the likelihood of slower journey times and the potential for delays to bus and train services. Reduced visibility is a particular concern on fast routes such as motorways and dual carriageways, where sudden changes in fog density can catch drivers out.

National media reports already point to recent collisions in thick fog on key routes in southern England, underlining the hazards when visibility drops. The Met Office warning also notes a chance of flight delays or cancellations, and UK aviation coverage suggests that airports serving London and other major cities inside the warning zone are preparing for possible disruption to schedules if the fog fails to lift.

Rail operators and airport managers routinely advise passengers to allow extra time for journeys during fog events and to check service updates before leaving home. While many services continue to operate, knock-on delays can build quickly when visibility falls below the thresholds required for normal operations.

Safety advice for drivers and travellers

With visibility expected to vary widely from place to place, the Met Office travel advice for this warning period focuses on preparation and cautious driving. Public guidance stresses the importance of checking road conditions before setting out, knowing how to switch on front and rear fog lights and ensuring all vehicle lights are working properly.

Motoring organisations generally recommend reducing speed, leaving larger gaps to the vehicle ahead and avoiding sudden braking in fog, particularly on high-speed roads. Drivers are also advised not to rely solely on daytime running lights, which may not activate rear lamps in low-visibility conditions, and to avoid using full-beam headlights, which can reflect off fog droplets and further reduce what can be seen.

For those travelling by train, coach or air, publicly available advice encourages monitoring operator apps and information boards for real-time changes. Passengers with early morning departures on Monday, especially from airports and stations within the warning area, may face altered departure times if dense fog persists.

Outlook: fog giving way to wetter, milder conditions

Looking beyond Monday, forecast updates from UK meteorologists suggest that the current foggy spell will gradually be replaced by a more changeable pattern as low pressure systems move in from the south-west. Sky News and other outlets report that stronger winds and bands of rain are expected to arrive from Tuesday, helping to disperse fog but bringing a different set of weather challenges.

Rainfall projections shared in recent briefings indicate that many areas could see around 10 to 20 millimetres of rain through midweek, with some parts of south-west England potentially receiving between 50 and 70 millimetres where slow-moving bands of rain develop. In regions where severe drought has been in force, particularly in the south-west, this could provide some short-term relief, although hydrology specialists caution that one wet spell is unlikely to resolve long‑running deficits.

Towards the end of the week, forecasters expect temperatures to trend slightly lower as winds turn more northerly, raising the prospect that fog-related travel headlines could soon be replaced by renewed concerns over overnight frost and icy patches on untreated surfaces.