A strong cold front will sweep through the region this afternoon and evening, dropping temperatures into the 20s and 30s tonight, with 40s and 50s expected Friday afternoon. In addition to the cold, snow will be develop across the mountains of northeast Utah and most of western Colorado...with locally heavy snow expected tonight. Numerous winter storm warnings and advisories are in effect for the mountains and some high valleys in western Colorado...where snowfall accumulations may exceed 5 inches, with over a foot possible across some north facing slopes above 9000 feet. A hard freeze is also expected Friday night and early Saturday morning across the lower valleys of southeast Utah and west central Colorado. This storm moves out early Saturday morning with drier conditions moving back in...along with a SLOW warming trend into early next week. Please visit our website at: http://www.weather.gov/gjt for the latest information on this early season winter storm.   (Pl! ease visit http://weather.gov/gjt for more information.)