UPDATED: The Met Office are warning that patches of thick fog will affect central and southern England throughout tonight (Saturday) and tomorrow morning.
Low visibility could lead to extended journey times and difficult driving conditions across the Island, with isolated patches of fog persisting well into the afternoon.
Visibility could fall to 50-100 metres.
The warning is in place from 22:00 until midday tomorrow.
UPDATE SUNDAY – The Met Office have issued another weather warning for fog from 16:00 this afternoon until 10:00 tomorrow morning.
Areas of fog will expand again this evening, possibly becoming quite widespread for a time and again locally dense.