Category: Severe Weather (Page 1 of 21)

The posts contain discussion of severe weather in our region, including forecasts, outlooks, and recaps of events involving large hail, damaging winds, and tornadoes.

June 2026 Graphical Weather Review: Warm, Dry and Smoky — Colorado Feels Effects from the West’s Snow-Starved Winter

July 8, 2026 / BoulderCAST Team / 0 Comments

June 2026 closed out as a parched, smoky, and somewhat warm month across the Front Range, with Boulder seeing almost no meaningful moisture aside from a few late‑month storms — some of which dumped large hail across portions of the Denver Metro area. Day after day, smoke‑laden skies from both distant and eventually in‑state wildfires muted visibility and degraded air quality, a stark reminder of how the West’s exceptionally warm, snow‑deficient winter is now echoing across the region in the form of early‑season fire activity and persistent haze.

Here’s a graphical look at how June 2026 unfolded across Boulder, Denver, and the Front Range — and how it compared to climatology.

This Week in Colorado Weather: June 22, 2026

June 22, 2026 / Ben Castellani / 0 Comments

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.

This Week in Colorado Weather: June 8, 2026

June 8, 2026 / Ben Castellani

Warmth, wind, and a few atmospheric curveballs are lining up for the Front Range this week — and it all starts with a sharp swing from severe storms to hot fire danger in less than 24 hours. From Monday’s hail‑ready instability to mid‑week blow‑dryer conditions and a potential cool‑down lurking on the weekend horizon, this week’s forecast has a little bit of everything. Read on as we detail what to watch as this surprisingly active June pattern unfolds across Colorado.

Premium BoulderCAST Daily – Tue 06/02/26 | Storms Reload This Afternoon, But With Noticeably Less Bite

June 2, 2026 / Ben Castellani

This content requires a subscription to BoulderCAST Premium.

This Week in Colorado Weather: June 1, 2026

June 1, 2026 / Ben Castellani

Spring’s grip on our wet season is loosening, and the atmosphere is starting to hint at the drier pattern ahead — but not before we squeeze out a few more days of spotty storm potential. This week brings a mix of low‑end daily rain chances, early‑week severe storms, and a slow warm‑up that could push us toward our first 90° reading of the year by the weekend. Read on as we break down what to expect as we ride out this transitional stretch of early June.

This Week in Colorado Weather: May 25, 2026

May 25, 2026 / Andy

A slow‑moving Pacific storm settling in across the West will set the stage for a classic late‑May stretch along the Front Range — warm afternoons, building clouds, and hit‑or‑miss late day showers and thunderstorms. While no day looks like a washout, the pattern does get more interesting mid‑week as deeper moisture sneaks in and storm chances tick upward. We break down what to expect, which day carries the best shot at rain, and how temperatures will swing as the broader system drifts our way.

This Week in Colorado Weather: March 16, 2026

March 16, 2026 / Andy

Colorado may be easing into the week on a calm, cool note, but the atmosphere has no intention of staying quiet — and the shift ahead isn’t the one you might expect. While a major storm system pounds the eastern half of the country, a powerful ridge is quietly taking shape off the West Coast, ready to drive an exceptional, record‑shattering March heatwave straight into the Front Range. With gusty downslope winds on the way and the strong likelihood of multiple all‑time records falling, this week is all about the heat. How hot will it get and when will the heatwave end? Let’s take a look.

2025 in Review: Boulder’s Wildest Weather Moments of the Year Explored Through 100 Charts & Visuals

January 7, 2026 / BoulderCAST Team

2025 was one of those years where Boulder’s weather never seemed content with a single storyline. We opened with a bitter Arctic punch that delivered our coldest January in nearly two decades, only to swing into a summer packed with 90°+ heat, smoky afternoons, and the hottest day since 2012. The monsoon showed up often but rarely with much enthusiasm, fall dried out in a hurry, and our first snow didn’t arrive until November 29th — the latest on record by a country mile. Now that the dust (and smoke, and snow) has settled, we’ve pulled together a full graphical recap of the temperature swings, precipitation quirks, record‑setting moments, and long‑term trends that defined Boulder’s and Colorado’s atmosphere in 2025. If you want the full story behind the chaos — and a clearer picture of where 2025 truly landed — this is a fun one to dive into. Be warned, there really are 100 charts and visuals to explore. Enjoy!