A thick layer of fog is set to cause disruption across Bristol once again this week.
Experts at the Met Office have issued a yellow weather warning predicting two days of travel chaos, starting from 7pm tonight until midday tomorrow.
Longer journey times and possible hazardous driving conditions are likely, with delays to bus and train services also possible.
READ MORE : UK Weather: Exact day snow could fall as temperatures plunge to -2C
A spokeswoman for the Met Office said: "Areas of fog, some of it dense and freezing, will develop during Monday evening and overnight, persisting into Tuesday morning in places.
"Visibility may dip below 100 metres in some locations.
"Fog will tend to lift into low cloud in many areas on Tuesday, though a few spots may stay foggy into the afternoon."
Temperatures are set to plunge this week, with some areas expected to see -2°C. By Friday, snow could fall in parts of Yorkshire and Wales, but Bristol will escape the worst of the cold snap.
Check the weather forecast near you , powered by In Your Area :
Met Office's South West forecast
Today:
A cold and frosty start for some on Monday, with any fog slow to clear. Lots of winter sunshine with mostly clear skies. Winds largely light with temperatures around average for the time of year. Maximum temperature 9 °C.
Tonight:
Dry with clear spells, mist and fog develops fairly widely away from the far southwest overnight. Temperatures falling close to or slightly below freezing for many. Minimum temperature -1 °C.
Tuesday:
A cold start Tuesday away from Cornwall with any fog slow to clear as sunny spells develop. Temperatures close the average for mid-January, but locally cold where fog persists. Maximum temperature 8 °C.
Outlook for Wednesday to Friday:
A band of cloud and rain sinking south Wednesday with clearer skies following. Generally cloudy with sunny or clear spells both Thursday and Friday with overnight frost for some.
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