A LITTLE MORE SNOW...
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ONE MORE BURST OF SNOW THIS EVENING
It won't be a major event, in fact compared to what we've seen recently, it's chump change. But, another inch, (perhaps two) of snow is expected tonight. This is due to a compact disturbance that will lead the charge for significantly colder air. The window for snow opens early Saturday evening and is over by daybreak. Thus, it's relatively short. However, the forcing is within the dendritic growth layer, creating dry fluffy flakes that efficiently accumulate. What does fall, will be light and easy to shovel. The area north of HWY 30 is most likely to see the 1-2 inch totals. Here's what models are suggesting for amounts.
The 3k NAM
The 12K NAM
With some fresh powder and strong winds, travel will remain very difficult in the open country through Sunday morning. At last check, several major roads were impassable in eastern Iowa.
This image was taken from a DOT plow near Vinton, Iowa
As alluded to, even colder air arrives tonight and wind chill warnings go into effect. By Sunday night, wind chills may reach 40 below. A nice way to end the snowiest week on record in the Quad Cities and Dubuque. Both sites had over 2 feet of snow! Roll weather...TS