It comes into force from 6pm
A yellow warning's in place for frost and ice from 6pm this evening until 11am tomorrow (8 February).
Forecasters at Ronaldsway Met Office say areas most at risk will be higher ground above 1000 feet and sheltered low lying spots in central and western parts of the Island.
Temperatures are expected to fall close to, or slightly below, freezing tonight and could lead to frost or icy patches on untreated surfaces.
The Department of Infrastructure will pre-salt main routes.
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