Category: Verification (Page 6 of 61)

These posts take a look back at recent weather events, like snow storms or severe weather outbreaks, and evaluate how the forecast played out. We evaluate how well the models predicted what actually occurred, and offer insight into what can be learned and applied moving forward.

Premium This Weekend in Colorado Weather: A few hot & dry days before monsoon moisture begins to flow

SWednesday night's locally heavy rain torms got off to a slow start Wednesday, but once they got going, they made quite an impact across parts of the Boulder–Denver corridor. Things kicked off with a single, sluggish thunderstorm near Lafayette that dumped heavy rain and caused some minor flooding around the Boulder–Broomfield–Weld County junction. https://twitter.com/BoulderCAST/status/1938036738183528781   Before long, it wasn’t alone—additional …

This Week in Colorado Weather: June 23, 2025

Colorado’s scorcher of a weekend is finally giving way to cooler, stormier skies—and not a moment too soon. After record-breaking highs in Boulder and Denver, a refreshing cold front kicks off the week with below-normal temps and a solid chance for showers and storms, especially Tuesday when things could turn severe. But don’t get too cozy—the heat will make a comeback late in the week into the weekend. Here’s what you need to know about Colorado’s weather during this final week of June.

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Premium BoulderCAST Daily – Wed 06/18/25 | A wonderful Wednesday ahead of looming record heat

Yesterday's shortwave disturbance, which spawned the punchy thunderstorms and kept highs only in the 60s for Boulder, has exited the area rapidly overnight allowing skies to clear. In fact, there isn't a single cloud left behind over Colorado, as noted from GOES-East as the sun rose this morning: Just about everyone got in on the action Tuesday afternoon, mainly because …

May 2025 Graphical Weather Review: Lush landscapes, Foothills snow, and tornadoes, oh my!

May 2025 brought cool, rainy days to the Front Range, nurturing lush, green landscapes ahead of what is expected to be a hot and dry summer. The month also featured striking weather events, including a few picturesque tornadoes nearby and multiple rounds of snow blanketing the high Foothills. Here’s a quick and colorful graphical recap of our weather during May and how it relates to climatology.

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Premium BoulderCAST Daily – Tue 06/03/25 | Drizzle ends early but we stay chilly; warmer with more storms tomorrow

Yesterday’s thick cloud cover prevented thunderstorm development across the region during the afternoon and early evening, reducing the risk of severe storms. However, a cold front pushed through later in the evening, combined with upslope flow overnight, bringing widespread rainfall—especially to areas west and southwest of Denver where the upslope had the greatest impact. The regional radar animation below captures …

This Week in Colorado Weather: May 26, 2025

So far this Memorial Day Weekend has brought a mix of welcomed rainfall and intense thunderstorms across the Front Range, with some areas seeing over two inches of rainfall and even hail. While the first half of Monday should be dry for holiday festivities, scattered showers and storms will develop in the afternoon with brief downpours, gusty winds, and lightning. The unsettled pattern continues throughout the week ahead, with Wednesday and Thursday offering the highest storm chances, fueled by lingering atmospheric energy. However, as we approach the weekend, a shift toward warmer and drier conditions is expected, with highs climbing into the lower 80s and fewer storms impacting the region.

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This Week in Colorado Weather: May 19, 2025

Sunday’s storms brought a slew of severe weather to northeast Colorado, including a photogenic tornado east of Denver. This week will be relatively quiet, but there is still plenty to discuss. Monday will stay cool and showery, but drier and warmer weather is on-tap for the rest of the week. However, a weekend trough will threaten to shake things up again—could the Memorial Day Weekend forecast include stormy skies? Read on for all the details.

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