PARTS of Hampshire are set to be hit by a "dense freezing fog patches" this evening until tomorrow morning.
The Met Office said conditions in Basingstoke, Andover and the north of the county will begin to get worse at about 6pm tonight.
Forecasters warn that there will be patches of fog forming this evening and carry on through the night until tomorrow morning until about 9am.
They add the fog is expected lift slowly and will linger for most of the morning and perhaps into the afternoon for some areas.
The yellow warning is in place until tomorrow morning and visibility will be poor.
A Met Office statement says: "Areas of fog, including some locally dense freezing fog patches with visibility less than 100 metres, will readily form on Monday evening and persist through the night into Tuesday.
"Please be aware of likely tricky road travel conditions."
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