Author: Ben Castellani (Page 11 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.

This Week in Colorado Weather: June 22, 2026

June 22, 2026 /

The atmosphere is gearing up for one of those classic late‑June stretches where Colorado tries to run every weather storyline at once. Several days of unusually strong flow aloft, deepening upslope moisture, and a parade of shortwaves are about to collide over the Front Range. The result will be day after day of severe thunderstorms. Add in waves of incoming wildfire smoke and a potentially high‑end fire danger setup by the weekend, and there’s plenty to unpack in this week’s forecast. Let’s take a closer look.

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Premium BoulderCAST Daily – Sun 06/21/26 | First Notable Smoke Plume Arrives for the First Day of Summer

June 21, 2026 /

Abrilliantly sunny start across the Front Range comes with an unwelcome companion: a broad veil of haze which has settled in across the area overnight. That haze is actually smoke advecting in from a ~13,500‑acre Iron Fire in central Utah, carried eastward within the broader flow. Aerosol guidance mixes most of it out this afternoon, but another surge from the …

Premium BoulderCAST Daily – Sat 06/20/26 | Supercells on the Plains, Fire Danger in the High Country & Boulder Quiet In Between

June 20, 2026 /

Avery dynamic setup is unfolding across Colorado today as two distinct mid‑level shortwaves slide east across the northern Rockies and into the High Plains. GOES‑East water vapor imagery early this morning clearly shows the lead wave over southern Idaho with a second trailing impulse over Oregon — both embedded within a zippy west‑southwest flow regime aloft. These disturbances will traverse …

Premium This Weekend in Colorado Weather: Limited Weekend Storms With the Monsoon Still Weeks Away

June 18, 2026 /

AQuiet end to the work week quiet weather pattern will take us through the end of the work-week as a weak ridge settles in across Colorado the next couple days from the west. An associated weakening pressure gradient will offer a brief reprieve from the fire danger in the High Country after several breezy days. With subsidence and dry air …

Premium BoulderCAST Daily – Wed 06/17/26 | Hot Again Today, But a Backdoor Front Brings a Breath of Relief This Evening

June 17, 2026 /

Hot, dry, and gusty conditions will dominate our weather for one more day before a backdoor cold front slides in this evening and finally knocks temperatures down, even if only for a little while. Colorado sits squarely between a strong West Coast ridge and a deep Great Lakes trough, a setup that is tightening the pressure gradient across the Front …

Premium BoulderCAST Daily – Tue 06/16/26 | Colorado Remains Hot, Dry, Gusty, and Primed for Fire Growth Through Mid-Week

June 16, 2026 /

Hot, dry, and increasingly gusty conditions will lock in across the Front Range through mid‑week as Colorado sits downstream of a stout mid‑level ridge anchored along the West Coast. That ridge isn’t going anywhere fast, and as several embedded shortwaves dive through the Dakotas and Great Lakes, the pressure gradient will tighten over eastern Colorado. The net effect: a steady …

Premium This Weekend in Colorado Weather: From 90s to 60s?! A Complicated Weekend Forecast Lies Ahead

June 11, 2026 /

Aremarkably comfortable Thursday is unfolding across the Front Range in the wake of an overnight cold front. The boundary pushed through around 2:45 AM with a sharp surge of northerly winds and an eventual temperature drop into the upper 40s at our station as cooler air flowed in. The front is tied to a compact shortwave trough sliding through Montana …

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