Author: Ben Castellani (Page 29 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 10/21/25 | Near-freezing temps to start, but sunny skies will push us into the mid-60s

STo Freeze or Not To Freeze? kies stayed crystal clear overnight, and that gave temperatures across the Boulder–Denver corridor a chance to really tumble. Many spots hit their coldest readings since mid-April, with lows ranging from the upper 20s to upper 30s so far. We could squeeze out another degree or two before the rising sun flips the switch and …

This Week in Colorado Weather: October 20, 2025

This week’s forecast is anything but boring in the Front Range. A fast-moving autumn storm is stirring up the atmosphere on Monday with jet-driven Mountain snow, powerful downslope winds, and a fire-weather setup that demands caution. And once the winds die down? A hard freeze will slam the door on the growing season for the entire area Monday night. Read on for a full breakdown of the very active weather unfolding in Colorado on Monday, plus a peek towards the quieter days ahead.

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Premium This Weekend in Colorado Weather: Sunny & dry with occasional breezes through Sunday, our next storm arrives Monday

Yesterday’s showers were hit-or-miss across northeast Colorado, with Boulder and Denver staying dry. A few lonely storms popped east of I-25 by evening—mostly harmless, but it was nice to spot some distant cumulonimbus towers. That might’ve been our last glimpse of thunderheads for 2025! https://twitter.com/BoulderCAST/status/1978593004974981312 This morning, the final band of showers is sweeping through Fort Collins and should wrap …

Premium BoulderCAST Daily – Wed 10/15/25 | Warm with a slight chance of rare October thunderstorms; cooler and gusty tomorrow

Happy Ides of October! We've got a dynamic setup unfolding over the next 24 hours across the Front Range, thanks to a strong closed-low pressure system spinning just northwest of us. As of this morning, satellite imagery shows the low centered over Nevada, with a stout high parked over the Arklatex. Between the two, a strengthening southwest flow is surging …

Premium BoulderCAST Daily – Tue 10/14/25 | Warming up to near 70° today & 80° tomorrow

The Front Range is in for a warm-up over the next couple of days as southerly winds ramp up ahead of our next storm system, expected to arrive Thursday. The Euro model’s 500mb height anomaly map paints a clear picture: a deep trough is digging in from California while a strong ridge builds over the southern Plains—classic setup for enhanced …

Premium This Weekend in Colorado Weather: Near-record moisture flowing into Colorado this weekend sadly won’t translate into much rain east of the Divide

Eastern Colorado stays locked into warm, mostly dry weather through Saturday thanks to a stubborn ridge of high pressure parked over the central U.S. That ridge is doing a great job keeping the storm track north away from the Front Range — for now. However, the broader western U.S. setup is getting interesting. We’ve got three major players on the …

Premium BoulderCAST Daily – Wed 10/08/25 | Sunshine and warmth return (after a chilly start)!

After a stretch of unusually gloomy days across the Front Range, we’re finally shaking off the clouds and stepping into sunshine this Wednesday. A ridge of high pressure is building in from the west and southwest, spreading across the Rockies and into the western Great Plains. That ridge will be the main player in our weather through Saturday, effectively keeping …

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