Author: Ben Castellani (Page 32 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 09/09/25 | Middle 80s with widely scattered late-day storms as smoke remains well north

September 9, 2025 /

The big story this week is a slow-moving ridge of high pressure that's keeping things warm and dry across Colorado—at least through Thursday. Right now, that ridge is parked just west of Boulder, and it's funneling in mostly westerly winds over the state, which you can spot in the latest water vapor animation from GOES-East below: As the ridge gradually …

This Week in Colorado Weather: September 8, 2025

September 8, 2025 /

Last week’s cold front didn’t just drop temperatures—it dragged in a wall of chemical-scented smoke that turned the Front Range skies hazy and acrid. The days ahead are shaping up to be much more pleasant with warmer temps, limited storm chances, and a break from the smoke (at least for now) under southwest flow. Read on for a full breakdown of this week’s weather, including when to expect the best shot at rain and whether any smoke may return in the extended.

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BoulderCAST Daily – Wed 09/03/25 | Staying warm & sunny ahead of a smoky autumn cold front coming Thursday evening

September 3, 2025 /

Not much change on tap for today. We’re still sitting under the influence of a stubborn high-pressure system parked to our west, which is keeping things quiet across the Front Range. A backdoor cold front is sliding south through eastern Colorado, but we’re right on the edge of it here — so the only real impact might be a subtle …

Premium BoulderCAST Daily – Tue 09/02/25 | Seasonal with a few isolated late-day storms; Tropical Depression 12E has formed in the Pacific

September 2, 2025 /

As the sun rises over Colorado, skies are mostly sunny statewide. But if you glance north on the GOES-East satellite imagery, you’ll spot that familiar milky haze creeping in — wildfire smoke from large blazes burning across the western U.S. and Canada. That smoke is expected to drift south into the Front Range over the next 24 to 48 hours. …

Premium BoulderCAST Daily – Fri 08/29/25 | Scattered storms today & tomorrow with continued below normal temps

August 29, 2025 /

Rain chances dip a bit today, but honestly, it’s not going to feel much different than what we’ve seen all week. Expect a mix of sun and clouds through the morning, with skies turning grayer by early afternoon. Scattered storms will follow and linger well into the evening. The HRRR model is firing off quite a bit of activity after …

Premium This Weekend in Colorado Weather: A few more stormy days ahead of a beautiful Sunday and Labor Day

August 28, 2025 /

The latest drought map dropped this morning, and it’s not great news for Colorado. Over half the state is officially in drought, and nearly two-thirds are at least abnormally dry. Boulder and Denver Counties have slipped back into Stage 1 Moderate Drought territory. The silver lining? We’ve finally seen some rain this week. Most areas picked up between 0.25" and …

Premium BoulderCAST Daily – Wed 08/27/25 | Gloomy, damp, and stormy weather holds firm through tomorrow

August 27, 2025 /

Astubborn monsoonal flow continues to pump moisture into the West, keeping things unsettled across Boulder, Denver, and much of Colorado. With deep atmospheric moisture and embedded lift from the jet stream and passing shortwaves, expect scattered to widespread showers and storms to stick around for the next 48 hours. GOES-East satellite imagery overnight showed thick cloud cover blanketing the state …

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