FOUS11 KWBC 030739
QPFHSD

Probabilistic Heavy Snow and Icing Discussion
NWS Weather Prediction Center College Park MD
239 AM EST Tue Nov 3 2026

Valid 12Z Tue Nov 03 2026 - 12Z Fri Nov 06 2026

...Central Rockies...
Day 2...

Potent shortwave currently off the coast of Northern California is
expected to track nearly due west across the central Great Basin by
early Wednesday, before crossing the Central Rockies late Wednesday
and interacting along the southwestern periphery of a deeper cutoff
upper low anchored across the Upper Midwest. Decent ascent just to
the north of this shortwave crossing the West as well as a 110kt
associated jet streak, will allow for an area of precipitation to
be mostly light across UT and CO on Wednesday, but with embedded
heavier showers where lift is greatest along favorable high
terrain. Snow levels will generally be around 7000-8000ft, but
dropping to around 6000ft within heavier precipitation and dynamic
cooling. Overall, snowfall amounts are expected to remain minor for
the Wasatch/Uinta Mts of UT and CO Rockies. Greatest probabilities
(30-60%) for at least 6 inches of snow is located across the 
Sawatch/Mosquito Ranges into the northern Sangre de Cristo Mts of 
CO and at higher elevations above 11000ft.


The probability of significant ice across the CONUS is less than 10
percent.


Snell



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