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The banded snow from the overhead jet remained north of Boulder for most of the night (as expected), with 3 to 6" already reported in the Loveland, Estes Park, and Fort Collins areas as of 9:00 AM Saturday. About 1 to 2" has fallen in Boulder and Longmont, and almost nothing in Denver. Light snow will linger near and north of …

One last mild day before the cold and snow moves in late tonight and especially tomorrow into early Sunday. The HRRR model shows highs in the low to middle 50's (below). This seems reasonable given the mild airmass still over the region. We'll start out with plenty of sunshine, then gradually shift to increasing clouds as moisture streams in with …

A warm day is expected today, compared to yesterday at least. Our forecast yesterday ended up being not so good, with the cloud cover more stubborn than expected. The high temperature at BoulderCAST station was only 31 degrees! Easterly flow will be relaxing near the surface today which should help warmer air aloft mix out the remaining Arctic airmass through …

Freezing fog early, then sunshine Surface high pressure has moved southward overnight and is located in eastern Montana and western South Dakota this morning. This has strengthened the easterly flow into Colorado and will help push the colder Arctic (ish) airmass westward into the Front Range. Similar to yesterday, this push will increase low level moisture and lead to the development …

Mild temperatures will once again be the focus today across the Front Range. The Arctic front we mentioned yesterday continues to remain stationary to our north across central Wyoming. As you can see below, temperatures vary significantly across this boundary, with Colorado fortunately remaining on the warm side of the fence. Expect temperatures today to be several degrees warmer than yesterday. …

Zonal flow will dominate our pattern on this Sunday. The mid-level flow is shown below. Virtually due westerly winds exist over Colorado, Utah, and Nevada, thanks to the jet stream west to east across this region. Although minor, there are a few ripples of energy in this zonal flow over southern Utah and southwestern Colorado. And thanks to the westerly …

The snow has ended and we have the reports. The below image shows the total snowfall amounts across the region from last night as of 7 AM this morning. The highest amounts were found along and south of Denver, basically from Westminster on to the south. The sweet spot was Littleton and Aurora and far southeast Denver, where the snow …