Author: Ben Castellani (Page 14 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 This Weekend in Colorado Weather: From dry heat to chilly rain as a new pattern targets the West

Good Thurdsay morning, everyone. If you slept poorly last night, you weren’t alone. Temperatures stayed very warm here near the base of the Foothills, and actually apparently rose overnight at our station. Definitely was not prepared for full-on summer-like sleeping conditions last night. Even with the house fan blasting, it didn't help cool things off much. Thursday: Shortwave Grazes the …

Premium BoulderCAST Daily – Wed 05/13/26 | Thickening afternoon clouds could spoil Boulder’s bid for earliest 90° day on record

The big mid‑level ridge driving this week’s warmth will park itself directly over the Front Range through the first half of our Wednesday, giving us full sun and a rapid climb toward 90°. If Boulder hits that 90° reading, this will become our earliest 90° reading on record, narrowly beating May 15, 1978 for the honor. The atmosphere is primed …

Premium BoulderCAST Daily – Tue 05/12/26 | Slightly cooler following an overnight front, but record highs near 90° return by tomorrow

Boulder managed to tie yet another record high on Monday, surging to 88°F during the mid‑afternoon. That mark has been reached three other times on May 11th in 1961, 1962, and 1963—a remarkable cluster of early‑season heat events from more than six decades ago. Yesterday also goes down as Boulder’s second‑warmest day of 2026 so far, trailing only one of …

Premium This Weekend in Colorado Weather: Snowstorm cleanup begins as calmer skies and warmer days lie ahead

❄️ Storm aftermath — Yesterday’s system exited by afternoon but left widespread tree damage and a striking fresh May snowpack visible on satellite.

🌡️ Overnight downslope — Warm, late‑night downslope spared most of the Denver Metro from a hard freeze; only a few pockets came close.

🌤️ Shortwaves ahead — Two weak disturbances (Thu & Sat) bring small rain chances and minor fronts, but overall conditions stay mild and mostly dry through the weekend.

☀️ Warm pattern returns — Weekend stays pleasant with isolated storms; next week heats up significantly as a ridge builds, pushing highs into the 80s.

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Premium Storm Update – Wed 05/06/26 7:45AM | The snowstorm winds down around midday with much warmer days ahead (Updated)

This powerful May storm has buried the Front Range in heavy, wet snow overnight, with Boulder picking up around 10 inches while the Foothills are dealing with even bigger totals in excess of 2 feet in spots. Snow will wind down around midday, but winter has one more card to play tonight as a hard freeze settles in. We check in on the latest snow totals, temperatures, power outages and how much additional snow to expect.

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Colorado Winter Weather Update: A significant snowstorm is finally taking aim on the Front Range — in May!

After another warm, spring weekend across the Front Range, big wintry changes are brewing for the days ahead! A surprisingly potent May storm is lining up for Colorado, and this one has all the ingredients to deliver a late-season deluge of precipitation. From deep moisture to prolonged upslope and a well‑timed blast of cold air, the setup is primed to be a high‑impact event — and yes, that includes heavy, wet late-season snow for all of us. We discuss the intriguing dynamics of the storm, the most likely snowfall amounts, potential impacts to our trees and power lines, and just how far we will drop below freezing.

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