Author: BoulderCAST Team (Page 2 of 49)

This post had major contributions from at least two members of our team. The more meteorologists the better, right?

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

July 8, 2026 /

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.

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Colorado Forecast Update: Fourth of July Weekend Brings Heat, Haze, and a Hint of Storms

July 2, 2026 /

Colorado has been stuck in a dry, windy southwest‑flow pattern all week that has led to more than 130,000 acres of forest and shrubland burning across the state in nearly a dozen large fires. Now, as we head into the holiday weekend, the pattern finally shows some give: winds ease, temperatures climb, and a slow return of low‑level moisture should allow a few storms to sneak back into the Front Range. It’s not a full reset — meaningful rainfall will still be hard to come by for now — but the atmosphere is nudging Colorado toward a more familiar early‑July rhythm just in time for the Fourth. We break down how this evolving setup will shape the weekend’s weather, fire danger, and your outdoor plans.

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May 2026 Graphical Weather Review: A Tale of Two Storms — Damaging Snow and a Deluge of Rain Put a Dent in the Drought

June 4, 2026 /

May 2026 delivered a true roller‑coaster pattern along the Front Range. Despite finishing warmer than average, the month was punctuated by two significant chilly precipitation events that funneled a remarkable amount of moisture into Boulder and Larimer Counties. The first arrived as a damaging late‑season snowstorm, wrecking leafed‑out trees across the region, while the second system — fortunately — remained all rain at lower elevations.

Together, these systems provided meaningful drought relief, though the broader hydrological picture across Colorado and the West remains deeply strained. Here’s a graphical look at how May unfolded across Boulder, Denver, and the Front Range — and how it compared to climatology.

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Colorado Drought Update: Boulder Just Matched Its Last 7 Months of Precipitation — In Two Weeks

May 22, 2026 /

May has finally snapped the atmosphere out of its months‑long bone dry spell, and the Front Range is making up for lost time fast. A destructive early‑May snow event, followed by a second, well‑timed upslope system just ten days later, has pushed Boulder’s May precipitation total beyond everything we managed to scrape together through fall, winter, and early spring combined. We dig into what triggered the pattern reversal, how much moisture different parts of the region have banked, what this burst of wet weather actually means for our entrenched drought, and whether the upcoming Memorial Day weekend warm‑up signals a slide back toward a more aggressive drying trend.

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This Week in Colorado Weather: May 19, 2026

May 19, 2026 /

After a devastating spring snowstorm barely more than a week ago, a slow‑moving May storm parked itself over the northern Front Range, wringing out 1–2 inches of moisture and dropping a fresh blanket of wet snow in the Foothills — all without giving the lower elevations any freezing temperatures. For mid‑May, that’s about as friendly as a storm of this size gets. And with the larger‑scale trough refusing to budge, we’re not done yet: this week will feature more daily shower chances through Friday before drier, warmer weather returns just in time for the holiday weekend. Read on for all the details.

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April 2026 Graphical Weather Review: A warm, bone-dry month that sure didn’t rescue Colorado’s snowpack

May 8, 2026 /

April 2026 wrapped up as another water‑starved month along the Front Range, trading March’s record heat for a parade of fast‑moving systems that looked promising on paper but rarely delivered meaningful moisture. Temperatures still ran warmer than average overall, punctuated by a few sharp cold fronts that briefly returned a wintry feel before the pattern snapped back to mild, windy, and dry. Fire danger stayed elevated on many days, and despite several rounds of light precipitation, Colorado’s snowpack remained historically low heading into May. Let’s take a graphical look at how April unfolded across Boulder, Denver, and the Front Range — and how it stacked up against climatology.

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