Author: Ben Castellani (Page 31 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 – Wed 09/24/25 | More than 1″ of rain for everyone yesterday, but we dry out the rest of the week

September 24, 2025 /

After Monday evening’s pre-frontal showers and storms, and Tuesday’s steady soaking as the main system rolled through, nearly the entire Front Range picked up over an inch of rain in the last 48 hours. Some lucky spots even topped 1.75". Rainfall rates stayed modest, which meant most of that moisture had time to soak in — no flooding was reported, …

Premium This Weekend in Colorado Weather: Quiet days ahead with warmth returning, but another cooldown is likely early next week

September 18, 2025 /

As expected, the slow-moving storm system that crept past northern Colorado this week didn’t pack much punch for the Boulder-Denver corridor. Most spots saw light rain on two or three days, but totals stayed modest. Boulder officially picked up just 0.27", and Denver (DIA) wasn’t much better at 0.30". The only real outlier was southern Fort Collins, where a round …

Premium BoulderCAST Daily – Wed 09/17/25 | Staying cool with a few late-day storms, more widespread activity stays south of Denver

September 17, 2025 /

If you were anywhere near the Boulder-Denver area last night, chances are you heard the rumbles. Even if the earlier showers missed you, that late-evening thunderstorm line around 9–10PM likely made its presence known. https://twitter.com/BoulderCAST/status/1968146961791586666 Rain totals across town generally stayed under 0.25", though a few pockets may have squeezed out a bit more. We’re still riding an unsettled pattern …

Premium BoulderCAST Daily – Tue 09/16/25 | Mostly cloudy and cooler with a conditional risk of damaging hail, mainly east of Denver

September 16, 2025 /

After a toasty Monday with highs in the mid-80s across the Metro area, we’re in for a noticeable shift in the weather pattern this week. A slow-moving upper-level trough is making its way toward Colorado, and it’s bringing cooler temps, more clouds, and a decent shot at thunderstorms. As of Tuesday morning, the center of that trough is parked over …

This Week in Colorado Weather: September 15, 2025

September 15, 2025 /

After a sunny and warm start to the week, the Front Range will trade blue skies for gray as a sluggish low-pressure system settles into northeast Colorado for several days. Rain chances build Tuesday and linger through Thursday, with well below normal temps and a few rounds of storms in the mix. But don’t expect a soaking: rainfall totals may vary widely, with the heaviest action likely landing northeast of Boulder and Denver towards Nebraska. The storm exits sometime Thursday leaving behind drier and warmer weather for the weekend.

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Premium This Weekend in Colorado Weather: Trending somewhat cooler and wetter as a Pacific trough clips Colorado — and yes there will be Mountain snow!

September 11, 2025 /

It's a beautiful morning out there in the Front Range, with crystal blue, smoke free skies and mild temperatures in the lower 60s to start.   That upper-level Pacific trough we’ve been tracking all week is still hanging out to our west this morning, parked over northern California and the Great Basin. It’s helping funnel a moist southwesterly flow into …

Premium BoulderCAST Daily – Wed 09/10/25 | Isolated thundershowers with gusty winds after 2PM as temperatures push towards 90°

September 10, 2025 /

Colorado’s weather is in a bit of a holding pattern as we cruise toward the weekend. Right now, a ridge of high pressure is parked over the western Great Plains, keeping us locked into a southwest flow aloft. That setup sticks around through Friday, meaning warm late-summer conditions will dominate the forecast for a few more days. Expect highs in …

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