The GFS precipitation totals of 1/4th around Fort Collins to 1 inch down to southwest Denver (Figure 10) is still probably overdone. Recent runs do see the GFS moving the low further south like the other models. The GFS also puts 4-8 inches in the foothills west of Boulder, Denver and south of Denver. The GFS creates a snow-free spot east of Fort Collins with 2-3 inches along I-25 north of Denver (Figure 9). Denver may get 1-3 inches in places on the western and southern sides of the city. By that, the NAM (Figure 8) has spotty snow totals along I-25 north of Denver (with many locations not receiving any accumulating snow). The Euro and NAM have the low doing its "best" while sitting in eastern and northeastern New Mexico. That would have given the Front Range and Denver a significant winter storm+moisture. There has been a disagreement between the models for many days with the GFS bringing the low into eastern and southeastern Colorado. On Monday, there will be a mix of rain and snow on the Colorado eastern plains and snow for the mountains and communities along the Front Range and I-25 (Figure 7). There are even widespread chances of thunder storms (non-severe) Sunday night into Monday (Figure 6). On Sunday, the system is binging snow to the western slopes of Colorado and much of Utah (Figure 5). This next system is powered by a healthy trough moving across the state on Monday (Figure 4). Figure 3: the 10 day graphical forecast from for Denver, CO. Figure 2: the CoCoRaHS snowfall reports as of Thursday AM. This is not great for accumulating snow along I-25 but it should be a moderate (not big) snow for the mountains again.įigure 1: the CoCoRaHS snowfall reports as of Wednesday AM. Monday will see highs in the upper 30's or lower 40's at the lower elevations. A period of rain then snow will impact most of Colorado Sunday night through Monday evening (Figure 3). This weekend will see comfortable 60's for highs until a cold front sweeps the state in the early afternoon Sunday. This is the wonderful combination of water and warmth needed to bring the plant world back to life! (Figures 1 and 2.) The great news is areas along I-25 received about 1/2 to 3/4th inch of rain. Boulder only received 3-5 inches but the mountains above Boulder saw 14-16 inches. Broomfield did a bit better getting about 2-4 inches. In Boulder county, the two day snow totals from Longmont were about 1 to 1.5 inches. Let's look back on our mid-week storm first. In BriefĪnother storm moves through the state Sunday/Monday with mainly mountain snow, then more Spring-time weather. More showers are possible Thursday and Friday. There is a storm expected to brin about 1/4th to 1/3rd inch of precipitation. Winds will die rapidly tonight with warmer weather Sunday and Monday. There is a fire that is forcing evacuations near NCAR. We have a dry wind kicked up by a nearby front.
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