[Forecast courtesy of Powderchasers]
A steady stream of moisture is pushing up from the south and combining with very cold air from the north. This snow is already underway in Arizona this morning including Arizona Snowbowl. Wind direction from the NE is not optimal for the ski area, however overrunning moisture and banded precipitation may allow decent amounts to accumulate through Tuesday night. Moisture will taper off Wednesday over much of Arizona before pushing into southern Colorado Wednesday afternoon through Thursday. AZ Snowbowl should see 4-8″ total.
Colorado will see leftovers impacting the southern San Juan Mountains Wednesday/Thursday. Totals could be significant north of Durango (Red Mountain Pass, Silverton, Telluride-wildcard) with moderate snow likely for Wolf Creek into Thursday morning. There will be no single 12 hour deep event. Steady light or moderate moisture will be falling Wednesday through Thursday. Some models show less for Colorado while the current GFS is a bit more bullish. The image below shows different ensemble precipitation and snowfall forecasts for Red Mt. Pass. You can see there is a considerable range of totals, which gives us only moderate confidence in higher amounts. The more clustered the plumes, the more confident we can be.
An excess of 10 inches is possible in the Henry Mountain range of southern Utah. Areas in the La Sal National Forest may see similar amounts outside Manti Utah. Up north, scattered light snow is likely in the Wasatch with heavier amounts south of Soldier Summit.
Some light snow will also be falling in the northern New Mexico mountains especially western portions of the State.
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— Powderchaser Steve / Powderchaser Luke