Author: Ben Castellani (Page 30 of 358)

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.

Premium BoulderCAST Daily – Tue 10/07/25 | One last cool & overcast day before the midweek warmup, plus a look at Hurricane Priscilla’s potential impacts this weekend

October 7, 2025 /

We’re waking up to another gray morning across the Metro area, with a shallow upslope pattern still locked in. That saturated low-level flow is doing its thing—blanketing us in stratus and patchy fog. Temps are holding in the mid 40s thanks to overnight cloud cover, which kept us from dipping into the 30s. If you're heading into the Foothills, be …

This Week in Colorado Weather: October 6, 2025

October 6, 2025 /

This week’s weather in the Front Range will be a bit of a rollercoaster. After Sunday night’s soaking rain and snow, Monday kicks off with fog, drizzle, and stubborn clouds before a midweek warm-up brings back the sunshine. But don’t get too cozy: frost season is knocking on the door, and snow signals are starting to flicker in the long-range models. Read on for the full breakdown, including what to expect today, what time rain showers will return later in the day Monday, and when late-season gardeners should start watching for frost and snowflakes.

P.S. Don’t forget to submit your entry to our 2025 First Snow Contest which closes Tuesday night at midnight!

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Premium This Weekend in Colorado Weather: Very warm weather continues in the Front Range ahead of Saturday PM’s autumn cold front

October 2, 2025 /

We’re wrapping up the week on a calm and toasty note across the Front Range, thanks to a persistent ridge of high pressure parked to our south and east. That setup continues to lock in warm, stable conditions. Expect highs today in the low 80s around Boulder, with Friday pushing even warmer — mid-80s likely, making it the hottest day …

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 /

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 …

Premium BoulderCAST Daily – Tue 09/30/25 | A couple storms today, but dry & unseasonably warm for the rest of the work-week

September 30, 2025 /

Agentle southwest flow sticks around today, nudging temperatures a bit warmer than Monday. We’re also looking at one last shot of rain before the workweek dries out. There’s just enough mid-level moisture hanging around for the late September sun to spark a few afternoon and evening storms—mainly over the higher terrain, with some drifting into the Metro area. Rain chances …

Premium BoulderCAST Daily – Fri 09/26/25 | A warm & quiet end to the week, Saturday will offer the best viewing conditions for fall colors

September 26, 2025 /

We’re wrapping up the wor-kweek with calm, stable weather across the Front Range, thanks to a persistent upper-level ridge parked over the northern Rockies. However, a weak shortwave is currently sliding through southern Canada and Montana, and it will nudge a cool front into eastern Colorado later this evening. Don’t expect much from it — just a subtle wind shift …

Premium This Weekend in Colorado Weather: A picture-perfect first weekend of autumn as the Front Range stays warm & dry

September 25, 2025 /

We’re cruising into the end of the workweek under a broad, amplified ridge of high pressure that’s keeping things calm and dry across the West. If you peek at the GOES-East water vapor imagery this morning, you’ll see just how bone-dry the atmosphere is beneath that ridge—Colorado included. The ridge itself has a bit of an “omega” look to it, …

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