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ODetailed Forecast Discussion: ne year ago today we were getting ready for a 60-degree temperature drop and the earliest measurable snowfall ever in Boulder's recorded history. This wild week in weather from September 2020 is summarized in the graphic below. Whether you like it or not, this year we're not talking about snow for today, though a weak cold cold …

HDetailed Forecast Discussion: igh pressure is in control today. The center of the high is actually positioned over southwestern Nevada. Large scale subsidence (sinking air) will lead to abundant sunshine today, along with rising temperatures a few more degrees higher than Saturday. Unfortunately, the location of the high will lead to wildfire smoke returning into at least portions of the …

YDetailed Forecast Discussion: esterday's frontal boundary which brought storms has pushed south into New Mexico and northern Texas, as well as eastward into Kansas. Behind it, comfortable weather conditions will be the norm this afternoon with highs in the lower 80's. Lots of sunshine will be in place. While the front is far removed from the Front Range and Colorado, …

TDetailed Forecast Discussion: he morning radar animation is shown below. Some showers and isolated storms were present across eastern Colorado. This activity is moving to the east and northeast. Outside of a few spotty morning showers to start our day, the main action for showers and storms will be later this afternoon to early evening. In the upper-levels today, a …

TDetailed Forecast Discussion: he passage of Nora's remnant tropical moisture was probably a bit underwhelming for most, though the rain in Boulder yesterday was the first we'd seen in an entire week. The graphic below shows precipitation totals from yesterday and overnight. As expected, just a few spits of rain were reported across the lower elevations around Denver and Boulder, …

DDetailed Forecast Discussion: eep moisture from Nora has surged into the Desert Southwest overnight with widespread high clouds encompassing much of the Four Corners region. Partly cloudy conditions are still noted this morning across the Front Range, but that will change through the day as this moisture spreads eastward. It will become mostly cloudy and/or overcast. Radar appears to be …

TDetailed Forecast Discussion: emperatures soared into the 90's across the lower elevations on Monday. The map below shows approximate high temperatures for the Front Range. We reported a maximum temperature of 91°F at BoulderCAST Station, the same as the official high in Boulder. Monday was Boulder's 41st 90-degree day of 2021. The graphic below shows where this count ranks in …