The Met Office have issued a fog warning in Bracknell today as one Berkshire driver fell foul to the conditions.
The forecaster warned of slower journey times with delays to bus and train services possible, and even the cancellation of flights.
Police photos show a van which crashed in the conditions in Berkshire.
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The Met Office expect a cold and frosty morning with areas of mist and fog, with some patches lingering through the day.
Tonight is expected to be another cold night with widespread frost widespread frost, and areas of mist, fog and low cloud to form once again. Minimum temperature -2 °C.
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Saturday will be dry, but rather cloudy with areas of mist and fog early on. Winds remaining light.
Sunday will see the weather being largely dry with sunny spells, but cloud increasing later, bringing the odd spot of rain.
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