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After a couple of cooler and more comfortable days, we'll be heading back into the 90s this afternoon as high pressure begins to tighten its grasp on the Desert Southwest. Colorado is still under northwest flow right now due to the positioning of the high pressure, so things will be fairly seasonal here, at least for today. And remember, seasonal …

Asurface cold front from yesterday will stagnate and lie south of Denver this afternoon. High pressure that was to our east-northeast on Friday will shift toward western Kansas today. That will favor warmer highs with a light southerly component to the wind to favor middle 80s. Yesterday, the mid-level flow was northwesterly. Today, it is west-northwest. In addition, models show …

Acold front has pushed through the Front Range earlier this morning. Behind it, northeasterly flow has ensued and brought in a much cooler airmass. To end our work week, we'll see highs much cooler in the lower 80s to perhaps some 84-85 degree readings over portions of Denver. However, the Air Quality will be reduced thanks to the stagnant upslope …

Warm and dry zonal flow continues across Colorado today thanks to the influence of a dominant ridge of high pressure to our south. The ridge actually contains two separate lobes of local height maximums right now --- the one further west will be strengthening in the coming days, while the eastern one will be weakening. The net result will be …

An Ozone Action Day Alert has been issued by the Colorado Department of Health and Environment. Stagnant air and warm temperatures will make for air quality in the unhealthy for sensitive groups. An easterly flow will be the main culprit for causing the stagnant air over us today. High pressure aloft will be present over Utah/Colorado this afternoon. While instability …

Strong shear and instability in place this afternoon and evening will promote the development of supercells across northeast Colorado and perhaps portions of the eastern Front Range. Shear around 45+ mph will combine with strong instability for this pattern to develop. More on this below... Coupled to the strong aforementioned ingredients, a mid-level disturbance will track through in the westerly …

Another active day takes shape today and tonight. For today's weather, another disturbance in the mid-levels will ride along the northern periphery of the ridge (near New Mexico) and track east over Colorado. Along with that, a southward moving surface cold front will move through and bring northeasterly winds on the Plains this afternoon with highs in the upper 70s. …