Accumulations of snow this time of year are heavily determined by terrain, elevation and the time of day that the snow is falling. The relatively warm ground and strong sun (even behind the clouds) will melt much of the falling snow during the day on Tuesday. The lower you live the more melting will occur. Still, this storm has more cold air than most storms typically would this time of year, so we do expect accumulating snow to fall over many areas. The terrain will affect snowfall rates as is often true, and that's another factor to consider.
Bottom line is we expect several inches of snow over our local mountain communities, perhaps as much as 4"- 9" in the dark pink shaded areas, 3"- 6" in the light shaded pink areas. Where you see the light blue on the map, spotty areas southwest of Pueblo and along the Continental Divide could receive as much as 6"- over 12". Although we don't expect blowing snow to be as dramatic over the mountain communities, it will be plenty cold for snow packed and icy roadways to become common.
Snowfall accumulations of 4"- 9" snow may also occur over the Palmer Divide above 7000 feet, 3"- 6" amounts are likely at elevations below 7000 feet. This is the area we are most concerned with for travelers. The exposed plains will be raked by wind gusts over 40 mph at times, so significant blowing and drifting snow is expected to reduce visibility to less than 1/4 of a mile for several hours over places like Monument Hill eastward to Peyton and Calhan, and perhaps southward towards highway 94 if we can generate enough snow.
For Colorado Springs and Pueblo proper we believe it is possible that we will briefly receive accumulating snow as the cold front blasts through. Best guess is 1" to 4" with most areas on the lower end of the range. If the snow is heavy enough it could briefly whiten roadways, and the higher you live the more likely this will be, certainly visibility would be down in any snow with the wind we are expecting. Being that the burst of heavier snow may coincide with the morning commute we are concerned that travelers will be in for a slow go.
We don't expect snow to accumulate much over the plains at this time, but if it does even a little we would expect poor visibility due to all the wind.