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Cold front (below) has pushed through the region earlier today. Low pressure exits over North Dakota. In its wake, easterly flow will dominate our weather this afternoon. That will spell out highs gorgeous in the middle 70's. What a great day it will be, a great fall day. Sunny skies will give way to increasing clouds awaiting a mid-level shortwave …

We end the week on a troughy note! A mid-level low pressure center is positioned across northwestern Wyoming this afternoon and evening. This is indicated in the below image at 500 mb. Most of the energy with this trough will be passing to our north across southern Wyoming, western Nebraska, and the Dakotas. However, enough energy will warrant at least …

A troughy end to the week Southwest flow continues across Colorado today helping to bring northward deeper moisture to the area. This flow is in response to a potent trough approaching from the west. This system will weaken and move slowly across Wyoming and Montana over the next few days. Before the first trough axis passes tomorrow, it will help provide …

Another overall nice day With the change in seasons just a handful of days away, it's no surprise that we are starting to see more impressive storm systems bombarding the Pacific Northwest and almost making it far enough south to bring some real weather to Colorado. Seattle is well on the way to its wettest September on record thanks to the onslaught. …

Too far north... The trough which had looked so formidable in the models late last week is arriving tamer than originally shown and too far north to cause much cause for concern in Colorado today. The passing wave can be seen across Wyoming and Montana in the GFS 500 mb height anomaly forecast map below. Notice how the base of …

More clouds, but still hot The zonal pattern that was present yesterday has disappeared thanks to a strong trough approaching the Pacific Northwest. Flow across Colorado has turned southwesterly as a consequence of this. Embedded in this flow is a weak subtropical wave that is helping to spread mid and upper-level clouds across the entire state this morning. This feature is seen …

Another day of sun Today's forecast will be more of the same with sunny skies expected thanks to dry air and a lack of large-scale forcing across Colorado. A relatively zonal pattern has taken hold over the United States with generally westerly flow in the atmosphere for the northern two-thirds of the country. This includes our area. The GFS 500mb height …