The Met Office has issued a yellow weather warning for fog across the Anglia region on Saturday night into the early hours of Sunday.
The warning is valid until 6am on Sunday 30 November 2014
The Met Office says: "Patches of fog already forming will become more widespread during the rest of Saturday evening and into the early hours of Sunday with the visibility falling to less than 100 metres in places.
"Later in the night the fog will tend to lift onto hills, before clearing from the northwest as the breeze increases."
This is the visible satellite image of the Anglia region taken at 8.15am on Thursday morning showing the main areas of mist and fog.
Some areas have bright sunny skies and the fog will continue to clear in most areas although it may linger on some coasts.