Premium BoulderCAST Daily – Wed 10/01/25 | October opens with an unseasonably warm spell, but cooler weather is brewing over the weekend

October 1, 2025 / Ben Castellani

WUnseasonable warmth through Friday (or Saturday) e’re stepping into the first full month of fall, but it sure won’t feel like it for the next few days. High pressure is firmly in charge, keeping Colorado warm and dry. A glance at today’s 500mb map shows two dominant highs — one over the Great Lakes and another over Mexico. It’s that …

Ben Castellani

Ben grew up in southwestern Pennsylvania and holds both a bachelor's and a master's degree in Meteorology, the latter being from CU Boulder. His hometown received nearly three feet of snow from the Storm of the Century back in March of 1993, sparking his initial interest in impactful weather. Ben currently works on remote sensing and data analysis software at NV5 Geospatial Software in Boulder.

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