Here, nearly every building locally is festooned with big icicles. It would seem that heat leaking from the inside of the roofs is melting the underside of the snow. The meltwater runs down the roof and drips into the guttering, where it freezes. The guttering fills with ice and further meltwater then overflows to form the icicles. What's strange is why the snow, wet on its underside, hasn't slid off the roofs. With a rise in temperature forecast for later this week, everyone had better watch out. Some icicles are 3 to 4 feet long or more. Being impaled by one of these could be lethal.