Author: BoulderCAST Team (Page 1 of 48)

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

Colorado’s “Almost” Extreme Heatwave: Here’s What May Save Us (Updated)

A powerhouse heat dome is about to sprawl across the entire country, and while Colorado’s Front Range won’t sit dead-center in the bullseye, we’re still in for a long, stubborn stretch of serious heat. Daytime temperatures will soar into the middle 90s to low 100s, with warm nights that barely cool off, and skies so clear you might just forget what a cloud looks like.

A subtle shift in the ridge’s position will save Denver and Boulder from the truly unprecedented temperatures that some weather apps and models were flashing earlier this week — but the stage will be set for a scorching Western Slope, lingering fire concerns, and a delayed monsoon that is just now trying to claw its way north. We break down what’s coming, where the heat will hit hardest, and when relief might finally show up.

Continue reading

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

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.

Continue reading

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

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.

Continue reading

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

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.

Continue reading

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

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.

Continue reading

This Week in Colorado Weather: 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.

Continue reading

« Older posts