Author: Ben Castellani (Page 3 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: Rain Ends by Midday, Freezing Temperatures Tonight & the Warm Stretch That Follows

October 15, 2026 /

GOES-East water vapor imagery confirms the mid-level low tracked directly across the Denver area overnight and is now located over far southeast Wyoming, where it continues to weaken and shear apart. The system is no longer a closed circulation and is in the final stages of losing its identity as it drifts away from Colorado. As the storm gradually winds …

Premium Storm Update – Wed 10/14/26 8:00AM | Our Biggest Rain Since May… But Is the Best Already Over?

October 14, 2026 /

After months of drought, the Front Range is finally cashing in on a meaningful storm, with Boulder already topping an inch of rain and more moisture still to come. But are the best rains already behind us? A closer look at the storm’s evolving track suggests the answer may be yes, while a hard freeze waits on the other side of this long-overdue autumn gloom.

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Colorado Forecast Update: All Systems Go for Beneficial Rain and Snow Throughout the Front Range

October 13, 2026 /

After months of watching drought deepen across the Front Range, Colorado is finally getting a storm that could turn the tide. A slow-moving upper low will tap into an unusually rich plume of subtropical moisture and bring widespread rain to much of northern Colorado, along with the season’s first meaningful Mountain snowfall. How much rain can Boulder and Denver expect, who stands the best chance of topping an inch, how low will snow levels drop during the event and which night will bring the season’s first freeze? We break down the latest forecast, timing, rainfall totals, and snow prospects.

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Premium This Weekend in Colorado Weather: 80s Continue With a Big Western Storm Brewing, But Colorado’s Role Next Week Remains Unclear

October 8, 2026 /

TStaying Very Warm Through At Least Sunday he stubborn ridge of high pressure that has controlled our weather for much of the past week isn't going anywhere just yet. Through at least Saturday, it will remain the dominant feature across Colorado and the Front Range, supporting continued warm, dry, and largely uneventful weather. That said, changes are already beginning to …

Premium BoulderCAST Daily – Wed 10/07/26 | Colorado Remains Stuck in a Remarkably Warm October Pattern

October 7, 2026 /

Tuesday was another scorching October day across the entire Front Range with high temperatures reaching the upper 80s to lower 90s across the lower elevations, with 70s and even 80s in the Foothills. CRAZY! Boulder blasted a new October 6th daily record high reaching 89°, while Denver tied its record at 87°. After those scorching fall readings the last couple …

Hydrologic Failure — How Every Season Conspired to Produce Boulder’s Driest Water Year on Record

October 6, 2026 /

Boulder just endured its driest water year on record, closing out twelve months with only 10.65 inches of precipitation — barely half of normal and nearly at desert-level. From a failed snow season to record spring warmth and a monsoon that largely bypassed the city, every season conspired to keep Boulder locked in a warm‑and‑dry feedback loop. Reservoirs and upstream snow storage will cushion the blow for now, but the bigger question looms: what happens if we start stringing years like this together?

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Premium BoulderCAST Daily – Tue 10/06/26 | October Heatwave Keeps Its Grip on the Front Range All Week Long

October 6, 2026 /

Yesterday delivered one of the hottest October days in Front Range history. Boulder officially topped out at 89°F, landing just one degree shy of both the daily and monthly record high set in 1947. Denver reached 87°F, tying its daily record from 2024. The broader northeast quadrant of Colorado was the warmest slice of the state, with many locations punching …

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