Author: Ben Castellani (Page 1 of 290)

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 11/04/25 | Soaring into the 70s today, but a tad cooler tomorrow behind another dry cold front

November 4, 2025 / Ben Castellani

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This Week in Colorado Weather: November 3, 2025

November 3, 2025 / Ben Castellani / 0 Comments

Sunday’s record-breaking November heat will give way to a dramatic cooldown on Monday, with temperatures plunging 20 to 30 degrees and wave clouds rolling in over the Front Range. The week ahead stays dry and mostly mild, but a few weak cold fronts will stir up some wind and day-to-day temperature swings. And while the forecast looks quiet for now, ensemble models are starting to hint at a colder, potentially snowier shift next week.

November begins warm and dry; Boulder may challenge its latest first snowfall record

October 30, 2025 / Ben Castellani / 0 Comments

After a stretch of crisp, dry days to end the week, our weather is gearing up for a big warm-up this weekend, with near-record highs favored by Sunday. This developing warm and unfortunately dry pattern looks likely to stick around well into November. With each passing day, the odds grow that Boulder might challenge its record for the latest first snowfall.

Premium BoulderCAST Daily – Wed 10/29/25 | Widespread sub-freezing temps this morning will rebound nicely towards 60° this afternoon

October 29, 2025 / Ben Castellani

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Premium BoulderCAST Daily – Tue 10/28/25 | A cool but sunny Tuesday ahead of a hard(er) freeze tonight, while Category 5 Melissa makes landfall in Jamaica

October 28, 2025 / Ben Castellani

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Colorado Forecast Update: Two underwhelming storm systems approach with fire danger increasing into early next week

October 23, 2025 / Ben Castellani / 0 Comments

Clouds roll in Thursday as a compact storm system approaches from the southwest—but don’t expect much more than a few sprinkles and high mountain snow. Boulder and Denver stay mostly dry, with mild temps in the 60s and a sunnier stretch ahead for Friday and Saturday. A stronger trough will arrive Sunday into early next week, bringing gusty winds and a taste of cooler fall air, but once again little in the way of meaningful rain or snow east of the Mountains. Read on for all the details.