...AREAS OF BLACK ICE WILL AFFECT SOME UNTREATED ROADS AND WALKWAYS INTO THE MORNING RUSH HOUR... THE SNOW...ICE AND RAIN THAT AFFECTED SOUTHERN NEW ENGLAND YESTERDAY HAVE LEFT SOME UNTREATED ROADS AND WALKWAYS QUITE SLIPPERY. THIS WAS ESPECIALLY TRUE ACROSS THE BOSTON TO PROVIDENCE CORRIDOR...POINTS SOUTH AND EAST. THIS AREA SAW TEMPERATURES BRIEFLY RISE ABOVE FREEZING YESTERDAY...ONLY TO QUICKLY FALL BACK THROUGH THE 20S. THIS ALLOWED STANDING WATER TO RE-FREEZE. MOTORISTS AND PEDESTRIANS SHOULD BE PREPARED FOR AREAS OF BLACK ICE THIS MORNING.