Cold snap ahoy Jan 9, 2013 6:50:41 GMT 1 Quote Select PostDeselect PostLink to PostMemberGive GiftBack to Top Post by newsround on Jan 9, 2013 6:50:41 GMT 1 Shepherd's warning: Spectacular morning red sky comes as forecasters warn temperatures could plummet to -15CRead more: www.dailymail.co.uk/news/article-2259376/Shepherds-warning-Spectacular-morning-red-sky-comes-forecasters-warn-temperatures-plummet-15C.html#ixzz2HSFjR31bFollow us: @mailonline on Twitter | DailyMail on Facebook