Colorado Snow Could End Up on the East Coast Before Its All Done

But Models Are Warring Amongst Themselves 

First, the snow is still on track for eastern Colorado from Colorado Springs into southeastern Wyoming. Cold rain will begin later this evening and begin spreading southward through the overnight hours. The rain will only last for a few hours and then it quickly changes over to snow and the snow could become heavy at times. The snow change over will first occur in southeastern Wyoming and spread southward through the overnight hours and impact the Denver Metro and Colorado Springs areas by the morning rush-hour. The snow will continue through Wednesday morning and taper off Wednesday afternoon and evening. Total accumulation of 5 to 10 inches are expected along the I-25 corridor from Colorado Springs to the Colorado/Wyoming Border. Amounts of 10 to 16 inches are likely as one increases in elevation in the Foothills with 16+ inches possible in the highest peaks of the central Rockies.

NAM Snowfall Prediction

The storm system that will bring the snow to Colorado, tonight, will also be a storm to watch for later in the week as it could deliver another round of snow, this time to the eastern Ohio Valley, Appalachians, New England and possibly the Mid-Atlantic. Right now there is quite a bit of uncertainty on the exact track the low will take as it exits south Texas and heads eastward. The European tracks the low through Alabama and up along the Eastern U.S. Coast is the scenario that would produce the highest chances for accumulating snowfall from western Virginia northward into New York and New England. The other modeling data is much further south and takes the low eastward into the Atlantic before turning it northward and this scenario brings little if any snow potential. 

Going to have to watch Hurricane Rina in the Gulf as her movement may help shed some light into what may transpire with the potential for snow. A track of Rina further northward towards Florida would help push the secondary low northward. Currently, the track of Rina is to the northeast, by Saturday, towards Cuba. 

The European is also developing a secondary low along the Gulf Coast early next week and this looks reasonable based on the overall pattern. It tracks this secondary low once again up along the East Coast and that could bring yet a second chance for accumulating snow to the same region.