Here in Reigate in the Surrey Hills the temperature has risen steadily after an overnight low of -3.4c and it's currently 5.4c with the dewpoint at 2.3c. Those readings, clearly not conducive to snow, come from a very reliable pro-standard weather station at Reigate Grammar at c.95m asl, slightly lower than where I am at 110m. I'm not expecting anything other than a bit of sleetiness, although right at the top of the North Downs at 230m it might be a different story, at least for a while.
Thursday has, to use some popular NW terminology, potentially more potential......