Another weather warning is in force across the Island for frost, ice patches and wintry showers.
The yellow notice is in place until midday.
Ronaldsay Met office says with temperatures below zero - wintry showers will be falling as a mixture of rain, sleet and snow.
Top temperatures will only reach around 4 degrees celsius.
High ground could see 4 inches of snow on Saturday night
Mountain Road unlikely to open before Monday
Yellow warning for freezing temperatures tonight
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