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Continued mild and sunny weather is expected today as Colorado resides in the warm but brisk southwest flow out ahead of the approaching big storm off the West Coast. In our weekly outlook yesterday we talked about the effects a weak Denver Cyclone wind pattern would have on the Front Range --- Boulder would be cooler while warmer weather would …

Amid-level trough will set up off the coast of the Pacific Northwest today, while southwest flow sets up over Colorado aloft. This change in the pattern from yesterday will lead to snow ending across the mountains. We'll see partly cloudy skies today. Compared to yesterday with the gusty winds, a weak cold front has moved through. This will favor a …

Astrong and anomalous jet streak stretching from Washington/Oregon and through Colorado and into Nebraska/Kansas will create a rather drastic change in weather across Colorado, with differences maximized on either side of the Divide. The nearly cross-barrier flow from the jet streak will lead to very strong winds along the Divide and in the Foothills, but also on the Plains. Model …

The snow storm will be pushing out today, reaching Kansas by midday. As of this morning, much of the lingering snow showers/flurries will have pushed off into eastern Colorado. We'll continue to see improving conditions, with clouds giving way to afternoon sunshine. It will still be on the chilly side, however, with the light northerly flow still in place. Expect …

TPREMIUM STORM UPDATE: 7:00 AM Thursday November 3rd he forecast for the developing winter weather late this afternoon into the overnight ahead remains on-track. If you missed our evening discussion yesterday, I urge you to check there for a broader overview of the storm. Everything mentioned in that post remains valid this morning. Unlike the last event a week ago, …

One last warm day is in-store today before cooler weather and rain/snow arrive tomorrow! Southwest flow aloft continues to push across Colorado ahead of the Pacific storm system approaching from the west. Within that warm flow, 700mb temperatures will be mild today (7°C), but not quite as toasty as yesterday (9°C). This will lead to another pleasantly warm day. Tuesday's …

We hope you had a great last day of October and Halloween holiday yesterday --- if you participate in such things that is. The graphic below shows some of the more interesting Halloween weather that has occurred over the years in Boulder. Last year (2021) it rained on Halloween. 2019 was the most recent time there was snow on the …