Category: Severe Weather (Page 4 of 25)

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

Premium BoulderCAST Daily – Wed 07/16/25 | Severe weather outbreak likely across the Front Range today

July 16, 2025 /

Both anticipated weather changes for our area have arrived overnight and are conveniently visible from the same east-facing Eldora webcam timelapse this morning. Yes, we're of course talking about the moist cold front from the northeast that blew in around 3AM, which has spawned low clouds and patchy fog across the lower elevations, and the influx of lofted wildfire smoke …

Premium BoulderCAST Daily – Tue 07/15/25 | Hot and mostly dry today, wildfire smoke and a cold front blow in tonight

July 15, 2025 /

We’re still sitting under the influence of high pressure to our west today, but a weather system moving in from the northwest is knocking on the northern Rockies’ door — and it's set to stir things up over the next few days. This morning, skies are crystal clear over the Front Range, thanks to a batch of dry air overhead. …

This Week in Colorado Weather: July 14, 2025

July 14, 2025 /

Monsoon season may have officially started earlier this month, but it’s off to a sluggish and lack-luster beginning across Colorado. Boulder has seen frequent storms—yet little meaningful rain—and wildfire smoke from the Western Slope and neighboring states is starting to pool to our west. A cold front arriving Tuesday night will bring cooler temps and a bump in thunderstorm chances for Wednesday, followed by a promising shift toward a more classic monsoonal setup Thursday through the weekend ahead with continued daily storms. This week, we’re tracking some heat, smoky haze, and hopefully, a few solid soakings of rain.

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Forecast Update: Boulder hit 101° for the first time in 13 years yesterday, but (somewhat) cooler air and storms are moving in!

July 10, 2025 /

Wednesday brought historic heat across the Front Range, with Boulder hitting a record high of 101°F—the city’s hottest day in over a decade. A weak cold front has since cooled things off slightly, ushering in a good chance of storms the next few days as well. Sunday into Monday turn drier and hotter again as reverse monsoonal flow sets up, potentially stifling our typical summer storm pattern for a bit.

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June 2025 Graphical Weather Review: A slow and steady browning of the Front Range

July 8, 2025 /

June 2025 started out cool and rainy in the Front Range, but precipitation became much more scarce as the month wore on, with our landscape drying out and fire danger creeping up over time. The month also featured several rounds of damaging severe weather and multiple sizzling heat waves. Here’s a quick and colorful graphical recap of our weather during June and how it relates to climatology.

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Premium BoulderCAST Daily – Sun 06/29/25 | Severe storms may fire Sunday afternoon along an uncertain cold front

June 29, 2025 /

So, what’s the plan for today’s weather along the Front Range? Honestly—it’s a bit of a mixed bag. Forecast models aren’t exactly in sync right now, so we’re watching a few key ingredients that could shape how this afternoon and evening unfold. Top of that list: a cold front currently stalled out over northern Colorado. This front is expected to …

Premium BoulderCAST Daily – Tue 06/24/25 | Scattered severe thunderstorms this afternoon, hail up to 2″ the main threat

June 24, 2025 /

All signs are pointing toward a textbook setup for strong to severe convection across northeast Colorado today. Yesterday’s high in Boulder only reached the upper 60s following a frontal passage, and that cooler, moisture-laden airmass remains firmly in place under continued southeasterly upslope flow. Dew points hovering in the 50s across the Denver Metro are providing solid low-level moisture, and …

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