just copied and paste this from met office 100% chance he says.
Current alert level: Level 3 - Cold Weather Action in one or more regions of England
Issued at: Friday 3 February 2012 at 10:29
There is a 100% probability of severe cold weather/icy conditions/heavy snow between 1000 on Friday and 1000 on Tuesday in parts of England. This weather could increase the health risks to vulnerable patients and disrupt the delivery of services. Please refer to the national Cold Weather Plan and your Trust's emergency plan for appropriate preventive action.
Remaining cold today and tonight across England. During Saturday and Sunday morning a transition to less cold conditions is expected, especially in western parts. However, this transition is likely to bring widespread snow to eastern, central and parts of northwestern England, bringing the risk of disruption over the weekend.