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Our best chance of precipitation has come and gone for the week yesterday morning. As expected, the Front Range largely missed out on the rainfall this time around. We did notice wet/damp pavement following pre-dawn rain in Boulder, but no measurable precipitation was reported at BoulderCAST Station. In fact, we didn't find any measurable precipitation in the Denver Metro area. …

This morning is the big moment of the week....the one we have been talking about since Monday. A shortwave trough is moving through Colorado, though most of the energy is across the southern portions of the state. The axis will pass over Denver during the late morning hours. The GFS and NAM model precipitation forecasts were in fairly good agreement in yesterday's …

The stable pattern across the western United States is breaking down as we speak this morning. Mid and upper-level moisture has increased significantly across Colorado under predominately southwesterly flow over the last 12+ hours, hence the thick cloud cover out there. As a broad trough moves across the state over the next few days, we'll see the passage of three weak …

Another gorgeous day this afternoon under lots of sunshine. Although clouds will be on the increase today from the south, we'll see plenty of sun for low to middle 70's across the region. Below shows the HRRR model surface temperature at 1 PM. Temperatures will be in the 70's on the Plains, with 50's in the High Country. We are …

Another gorgeous day across the region and to start our weekend. In fact, this entire weekend is going to be spectacular for mid-October. Below shows the atmospheric pattern across the CONUS today at the mid-levels. A deep trough is present in the Great Lakes, with cold air and snow in portions of the northeast. Wind and chilly air is also …

We end the week in a split flow across the nation. Below shows the upper-level 250 mb wind speed and height this afternoon. Ridging is present across the Pacific Northwest, with a cutoff system southwest of California. To our east, the polar jet stream is over south-central Canada, with the subtropical jet to its south in the Midwest. Colorado is …

The stagnant low pressure that has been in Arizona much of the week has lifted northward into Utah today. Later tonight it will move into western Colorado. The water vapor animation below from GOES-East runs from this past Sunday night through late last night. Watch the storm cut-off into Mexico, then slowly crawl northward into Arizona and finally Utah at the …